2005 Apple Computer, Inc. All rights reserved.
Apple, the Apple logo, and Power Mac are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. NVIDIA is a registered trademark of NVIDIA Corporation.

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Easy-open side door A removable side panel provides quick access to slots and bays, so you can install additional memory, a second hard drive, or a PCI Express card. To secure internal components, simply add a lock to the panel latch.
PCI Express slots Connect your choice of 16-lane PCI Express graphics cards to one or two displays, and install up to three PCI Express expansion cards to add cutting-edge devices to your Power Mac G5 system.
Dual Gigabit Ethernet ports Two Gigabit (10/100/1000BASE-T) Ethernet interfaces allow you to connect the Power Mac G5 to both a public and a private networkideal, for example, for simultaneous access to the Internet and an Xsan network. Dual Gigabit Ethernet also enables server-class features such as support for VLAN tags, jumbo frames, and port aggregation.
SuperDrive Read and write to most types of CD and DVD media using the built-in 16x SuperDrive with double-layer support.
Antenna for wireless connections A built-in antenna and optional AirPort Extreme3 and Bluetooth technologies make wireless networking easy. Create or join AirPort wireless networks, exchange les wirelessly with another AirPort-equipped Mac, or connect to Bluetooth-enabled mobile phones, PDAs, and printers and to Apples wireless keyboard and mouse.
Analog and optical digital audio Optical digital audio ports support stereo and 5.1 surround sound speaker systems, while analog stereo audio line-level input and output ports allow you to connect analog audio decks and devices.
FireWire and USB 2.0 ports Plug in your choice of peripherals and devices. Each system has one FireWire 400 port on the front, one FireWire 400 port on the back, a FireWire 800 port on the back, and four USB 2.0 portsone on the front and three on the back. There are also two USB 1.1 ports on the keyboard.
Convenient front I/O ports The front panel of the Power Mac G5 features an integrated speaker, headphone minijack, FireWire port, USB 2.0 port, and power button.

Quad-Core Processing

Enter the dual-core PowerPC G5 processor: one silicon chip with two independent processor cores. Now take two of those dual-core chips and you have the Power Mac G5 Quad, for groundbreaking quad-core processing. Quad-core processing means more 64-bit resources: more L2 cache, more Velocity Engine units, and more double-precision oating-point units. Videographers can edit more footage, lmmakers can produce more real-time eects, designers and photographers can process more higher-resolution images, and researchers can crunch through data sets for faster results. Compare a quad-core Power Mac G5 to the fastest dual-processor G5 ever built, and youll experience up to 69 percent faster performance running popular professional applications.1
With two independent cores on one processor, the new PowerPC G5 packs tremendous processing power on a single chip.

Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 Dual 1.42GHz Power Mac G4 2.9 gigaops 11.1 gigaops 21 gigaops
The PowerPC G5 core contains two double-precision oating-point units, each capable of performing a multiply and an add at the same time. This means a Power Mac G5 Quad, with four processor cores and a total of eight oating-point units, can complete up to sixteen 64-bit oating-point operations in a single cycle. Such immense 64-bit computational power accelerates applications in many elds, including audio creation, 3D content creation, and scientic visualization and analysis resulting in performance levels far beyond those of previous Power Mac generations. Fused multiply-add example The oating-point units in the PowerPC G5 can complete both a multiply and an add operation as part of the same machine instructionaccelerating matrix multiplication, vector dot products, and other scientic computations. Referred to as fused multiplyadd, or fmadd, this instruction is considered a building block for data-intensive oating-point computation. The following computation can be completed by a fused multiply-add instruction in one pass through either of the two oating-point units in a PowerPC G5 core: T = (a * b) + c On other processors, two instructions are required. The rst is a multiply instruction: U = (a * b) The product U is used by a second instruction, an addition, to complete the computation: V=U+c In processors with comparable clock speeds, the computation of (a * b) + c is completed twice as fast using fused multiply-add. It also delivers a more accurate result, because round-o occurs just once in the computation of Twhile on other processors, round-o occurs twice: in the computation of U and in the computation of V.
Four Velocity Engine Units
Gigaops The gigaops test indicates a systems vector processing capability by measuring the maximum number of oating-point operations it can perform. With four Velocity Engine units, the Power Mac G5 Quad completed the test 85 percent faster than the dual 2.7GHz Power Mac G5 and 260 percent faster than the dual 1.42GHz Power Mac G4.
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 Dual 1.42GHz Power Mac G4 21.3 gigaops 76.6 gigaops 41.1 gigaops
A dual-pipelined Velocity Engine in each processor core is optimized with two independent queues and dedicated 128-bit registers and data paths for ecient instruction and data ow. This 128-bit vector processing unit accelerates data manipulation by applying a single instruction to multiple data at the same time, known as SIMD processing. Originally implemented in the PowerPC G4, the Velocity Engine in the PowerPC G5 uses the same set of 162 instructions, enabling it to accelerate existing Mac OS X applications that have been optimized for the Velocity Engine. Vector processing is useful for transforming large sets of data, such as manipulating an image or rendering a video eect. For example, when a designer uses a lter to apply a motion blur to an image, each pixel of the image must be changed according to the same set of instructionsa highly repetitive processing task. Each Velocity Engine pipeline speeds up this task by processing up to 128 bits of data, in four 32-bit integers, eight 16-bit integers, sixteen 8-bit integers, or four 32-bit single-precision oating-point values, in a single clock cycle. That works out to 16 simultaneous 32-bit oating-point operations on a Power Mac G5 Quad.

Multiple Cores and Mac OS X
Mac OS X is ideally suited to leverage the power of quad-core systems, since it was designed from day one for multiple processors. With symmetric multiprocessing, preemptive multitasking, and multithreading capabilities in Mac OS X, a Power Mac G5 Quad delivers groundbreaking performance. Symmetric multiprocessing (SMP) in Mac OS X dynamically manages tasks across multiple processorsand multiple processor coreswithout requiring any special optimization of the application or any special action on the users part. With SMP, you can run a processor-intensive task in the background while you work with another application. Mac OS X assigns each of these tasks to a dierent processor or core, allowing the tasks to execute simultaneously, and automatically balances the load between processors. Preemptive multitasking further optimizes performance by allowing Mac OS X to prioritize tasks on each processor or core. Applications can take even greater advantage of multiple cores when they are written to generate multiple threads (or self-contained tasks), known as multithreading. Many of todays applications are multithreaded, achieving up to 69 percent faster performance on a Power Mac G5 Quad right out of the box.1 As a user, you dont need to worry about symmetric multiprocessing or application threadingyoull just enjoy the enhanced performance.
The Power Mac G5 comes with Mac OS X v10.4 Tiger, Apples UNIX-based operating system, including powerful new features such as Spotlight, Dashboard, and Automator.

PCI Express Architecture

The new Power Mac G5 introduces a modern PCI Express architecture to the Mac platform, opening up a world of high-performance system technologies and peripherals. PCI Express paves the way for emerging solutions for media and networking, making it a future-savvy choice for your lab or studio. Built into the Power Mac G5 architecture is an all-new system controller. This fast application-specic integrated circuit (ASIC) integrates a new lower-latency memory subsystem with support for ultrafast DDR2 main memoryplus 16-lane PCI Express graphics and the dual-channel, bidirectional frontside bus that made its debut in the original Power Mac G5.
Dual-core PowerPC G5 processors Dual bidirectional frontside buses System controller 533MHz DDR2 memory PCI Express graphics

PCI Express expansion

Dual Gigabit Ethernet
SuperDrive with double-layer support

Serial ATA storage

High-performance I/O

533MHz DDR2 Main Memory

Up to 25 percent faster memory throughput With support for DDR2 memory, data throughput on the new Power Mac G5 is 25 percent faster than previous Power Mac G5 models and up to three times faster than the Power Mac G4.

128-bit DDR2 at 533MHz 128-bit DDR at 400MHz 64-bit DDR at 333MHz 2.7 GBps 8.5 GBps 6.4 GBps
The new 128-bit memory controller in the Power Mac G5 supports DDR2 main memory running at speeds up to 533MHz. In addition to writing data at a double rate, or twice the rate of the clock speed, the memory controller increases eciency by reordering read and write operations. By addressing two banks of SDRAM at the same time, the new Power Mac G5 can reach a memory throughput of up to 8.5 GBps. That represents a 25 percent increase over the latest Power Mac G5 and triple the throughput of the fastest Power Mac G4. With its 64-bit processor architecture, the Power Mac G5 can address more memory than any previous Macintosh and many desktop PCs. All Power Mac G5 systems can hold up to eight 2GB DIMMs for up to 16GB of memory. For users in mission-critical and compute-intensive environments, theres also the option of ECC (Error Correction Code) main memory, which allows automatic correction of single-bit errors and detection of multiple-bit errors. This high-speed, high-capacity memory architecture enables graphics, video, audio, and scientic applications to run radically faster. Enormous les and data sets can be loaded into RAM for rapid access by the PowerPC G5without having to access system storage. Data can be retrieved from memory 40 times faster than from the hard drive. In fact, accessing the rst critical word of data from memory is 60,000 times faster than from a hard drive, so manipulation and analysis of data can be performed at remarkable speeds.

PCI Express Graphics

Almost twice the graphics throughput The 16-lane PCI Express graphics interface increases throughput to up to 4 GBps, almost double that of AGP 8X in previous Power Mac G5 models.
16-lane PCI Express AGP 8X 2.1 GBps 4 GBps
With the introduction of PCI Express architecture comes a new 16-lane PCI Express graphics interface that supports the latest graphics controllers and delivers up to 4 GBps of data throughput. By supplying up to 150 watts of power to the primary graphics processing unit, the new Power Mac G5 provides the headroom for highperformance, next-generation graphics processors and applications, enabling even higher resolutions for stunning realism. For more information about graphics cards, Apple displays, and graphics technologies, see the Workstation Graphics section.

PCI Express Expansion

Up to twice the PCI throughput PCI Express delivers a radical increase in throughput compared with the expansion technologies on previous Power Mac G5 systems (PCI-X and PCI) and Power Mac G4 systems (PCI).
Eight-lane PCI Express Four-lane PCI Express PCI-X 64-bit, 133MHz PCI 64-bit, 33MHz 0.25 GBps 1 GBps 1 GBps 2 GBps

Your ideas are transformed into reality when you add oneor severalcrystal-clear Apple Cinema Displays to your Power Mac G5. This family of widescreen LCD displays delivers impressive image quality, enabling an all-digital, color-managed workow not available on other platforms.
Advanced Graphics Options
With the introduction of PCI Express architecture comes a new lineup of 16-lane PCI Express graphics cards for the Power Mac G5. Choose a standard conguration equipped with a card for general graphics applicationsor upgrade to a high-performance card for ultraresponsive graphics and true onscreen stereo 3D, perfect for scientic visualization and 3D design. NVIDIA GeForce 6600 LE and GeForce 6600 Standard Power Mac G5 congurations come with the GeForce 6600 LE or the GeForce 6600 from NVIDIA. These cards provide excellent all-around performance for creative applications and oce productivity. NVIDIA GeForce 7800 GT If you need higher performance for motion graphics, animation, and 3D design and visualization, youll likely want to upgrade to the NVIDIA GeForce 7800 GT. Designed to accelerate the latest creative applications and blockbuster games, the 7800 GT has a large 256MB frame buer and very fast GDDR3 (Graphics Double Data Rate 3) SDRAM.
16-lane PCI Express The 16-lane PCI Express graphics interface provides throughput of up to 4 GBps, almost double that of the AGP 8X standard. And by supplying up to 150 watts of power to the primary graphics processing unit, the new Power Mac G5 provides the headroom for high-performance, next-generation graphics processors and applicationsenabling even higher resolutions for stunning realism.
NVIDIA Quadro FX 4500 If industrial-strength 3D design work, stereo 3D visualization, or using two 30-inch Apple Cinema HD Displays is at the top of your wish list, you can congure your Power Mac G5 with the NVIDIA Quadro FX 4500.7 One of the most sophisticated graphics cards available, the Quadro FX 4500 is an ideal choice for advanced design and visualization. It features: An integrated stereo 3D port, so scientists can use goggles for stereo-in-a-window visualization applications6 Hardware support for anti-aliased points and lines, accelerated clip planes, and two-sided lighting Two dual-link DVI ports for connecting two 30-inch Apple Cinema HD Displays, delivering the largest workspace available using a single graphics card Graphics card specications

GeForce 6600 LE Card interface Memory interface Frame buer memory Memory bandwidth Vertices per second Fill rate (texels per second) Ports 16-lane PCI Express 128-bit 128MB GDDR SDRAM 6.4 GBps 225 million 1.2 billion One single-link DVI and one dual-link DVI One GeForce 6600 16-lane PCI Express 128-bit 256MB GDDR SDRAM 8 GBps 225 million 2.4 billion One single-link DVI and one dual-link DVI One GeForce 7800 GT Quadro FX 4500 16-lane PCI Express 16-lane PCI Express 256-bit 256MB GDDR3 SDRAM 32 GBps 700 million 8 billion One single-link DVI and one dual-link DVI One 256-bit 512MB GDDR3 SDRAM 33.6 GBps 181 million triangles 10.8 billion Two dual-link DVI and one stereo port Two

Slots occupied

Choosing a graphics card Which card is right for you? More powerful graphics processors and faster, larger frame buers perform 2D and 3D operations more quickly. When selecting a graphics card, consider your primary uses, along with the following: Memory bandwidth determines how fast images and textures can be accessed by the graphics processor from its own memory. The higher the bandwidth, the more capable the card is of supporting real-time, complex 3D images. Vertices are the key building blocks for 3D images in the OpenGL graphics environment in Mac OS X. More vertices means greater complexity, resulting in more realism onscreen. After a 3D object is assembled from the vertices, it must be lled. Each 3D object can contain many pixels, each with a dierent appearance based on the texture, lighting, and color being applied. The higher the ll rate, the more lifelike an object appears. Frame buer memory, or video memory, stores the information being used by the graphics processor to create onscreen images. The faster the memory, the more capable the graphics card is of generating lifelike, complex 3D screens in real time. For best performance, choose GDDR3 memory, developed by the graphics industry for intensive 3D applications. Note that larger frame buers also improve support for a multiple-display conguration in which large, complex screens are created for both displays.
All Power Mac G5 cards support two displays: one 20- or 23-inch Apple Cinema Display and one 30-inch Apple Cinema HD Display. If you want to connect your Power Mac G5 to two 30-inch Apple Cinema HD Displaysor use stereo 3D goggleschoose the workstation-class NVIDIA Quadro FX 4500. If you plan to install as many as three PCI Express cards in your Power Mac G5, youll want to consider cards that occupy a single slot. Graphics performance Each of the graphics card options available for the new Power Mac G5 provides excellent support for 2D and 3D operations in applications such as Motion and in games such as Halo. Motion graphics. Motion, Apples motion graphics design application, leverages the graphics processor to animate eects onscreen in real time. The test protocol measured the uncached playback, cached playback, and export to QuickTime of three projects: a lter test, an HDV green screen matte, and a particle eects test. Motion 2 results Visual eects rendering

Certied by SWOP SWOP, the organization that sets Specications for Web Oset Printing, has certied the Apple Cinema Display for virtual color proong. This means you can check color onscreen, without the wasted time and expense of producing and delivering hardcopy proofs.
Designed for the creative workow, Apple displays deliver stunning image quality not found in other at panels. Each display features 100-pixel-per-inch resolution for an ideal balance of text readability and image crispness. Wide-viewing technology guarantees consistent and accurate color across a 170-degree viewing spectrum. Color quality is also superior, with a broad color gamut, high display brightness, and uniform color across the panel. All Apple Cinema Displays can be calibrated for color-managed workows and will maintain consistent color and quality without frequent recalibration. For more information, see www.apple.com/displays. Choosing an Apple display Apple oers a choice of three widescreen at-panel displays: The 20-inch Apple Cinema Display (1680-by-1050-pixel resolution) shows more than two full pages of graphics, layouts, and textor DVD movies in wide format. The 23-inch Apple Cinema HD Display (1920-by-1200-pixel resolution) supports high denition content and stunning color for multipage layouts and video editing. The largest LCD ever designed for a personal computer, the astounding 30-inch Apple Cinema HD Display (2560-by-1600-pixel resolution) puts more than 4 million pixels at your ngertips.
Support for Multiple Displays
Connecting to other displays, TVs, VCRs, and projectors A DVI to VGA Adapter is included with every Power Mac G5 for connecting to VGA displays, such as CRTs or projectors. Or you can order the Apple DVI to Video Adapter to connect to S-video and composite devices, such as TVs, VCRs, or overhead projectors with S-video or RCA (composite) connectors.8
Every Power Mac G5 graphics card supports two displays in extended desktop and video mirroring modes. Extended desktop mode lets you distribute work across two displays, allowing more room for viewing rich content and complex applications that use oating palettes and long timelines. For example, you can view Final Cut Pro on one display while watching the video output on the other. Video mirroring mode outputs the same information on both displays, which means you can control a presentation from one display while the audience watches it on a second display or projected image. The possibilities get even more interesting when you connect more than two displays. For maximum productivity, extend your desktop across up to eight displays.5 Or consider controlling a set of public information kiosks or constructing a multimedia museum exhibit from a single Power Mac G5 system.

Use the new Apple Fibre Channel PCI Express Card to connect to Xserve RAID for highperformance, high-availability storage.
Video editing performance One of the nal stages of any lm or video project is the processor-intensive task of rendering. Apple measured the time to render a complex video project containing multiple eects and lters, including color corrections, transitions, compositing, and basic text treatments. Final Cut Pro 5.0.2 rendering results
High denition video (HDV1080i60) video rendering
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 44% faster Baseline
Standard denition (SD) video rendering
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 40% faster Baseline
Digital video (DV) video rendering
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 34% faster Baseline
Percent faster than the previous model
The Power Mac G5 Quad rendered an HDV project 44 percent faster than the dual 2.7GHz Power Mac G5. Performance gains were similar for SD and DV projects.*
* Testing conducted by Apple in September 2005 using preproduction 2.5GHz Power Mac G5 Quad units; all other systems were shipping units.
Video encoding performance Apple measured the time to encode a video project from various native formats to MPEG-2, the most common format for commercial DVD titles. Final Cut Pro 5.0.2 encoding results
High denition video (HDV1080i60) MPEG-2 encoding
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 Baseline 22% faster
Standard denition (SD) MPEG-2 encoding
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 Baseline 60% faster
Digital video (DV) MPEG-2 encoding
The Power Mac G5 Quad encoded an HDV project 22 percent faster than the dual 2.7GHz Power Mac G5. Performance gains were even better for SD and DV encoding: The Power Mac G5 Quad encoded SD video 60 percent faster than the dual 2.7GHz Power Mac G5and encoded DV projects 44 percent faster.*
Eects and animation performance Video editors and producers add innovative motion graphics and eects to lm, video, DVD, and web projects using tools like Motion, Adobe After Eects, LightWave 3D, and Cinema 4D. To demonstrate the performance advantages of quad-core processors, Apple measured the time to render eects using three application tests. After Eects 6.5.1 results Visual eects rendering

Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 Percent faster than the previous model Baseline 69% faster
The Power Mac G5 Quad performed the Nightflight rendering test 69 percent faster than the dual 2.7GHz Power Mac G5.*
LightWave 3D 8.2.1 results 3D rendering
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 Baseline 59% faster
The Power Mac G5 Quad rendered the LightWave 3D scene 59 percent faster than the dual 2.7GHz Power Mac G5.*
Cinebench results Multiple-processor rendering
Power Mac G5 Quad 2.5GHz Dual 2.7GHz Power Mac G5 55% faster Baseline
The Power Mac G5 Quad performed the Cinebench rendering test 55 percent faster than the dual 2.7GHz Power Mac G5.*
* Testing conducted by Apple in September 2005 using preproduction 2.5GHz Power Mac G5 Quad units; all other systems were shipping units. After Eects test le was Nightight. LightWave benchmark scene was Skull_Head_Newest.
Science and Technical Computing
The Power Mac G5 gives scientic researchers the ability to achieve fast results. Whether youre doing molecular modeling with PyMOL, searching for DNA alignments with BLAST, analyzing statistics with SPSS, or modeling equations with Mathematica, youll make discoveries in record time.
Xcode development tools Mac OS X comes with Xcode, a suite of integrated technologies that support custom development of 64-bit applications and autovectorization of your code.
With four 64-bit G5 processor cores, four Velocity Engine units, and eight doubleprecision oating-point units, youll see dramatic acceleration of vectorized and oating-point-intensive applications such as HMMER and BLAST. The optional NVIDIA Quadro FX 4500 graphics card supports stereo 3D visualization in a window for complex data analysis.6 Up to 16GB of main memory with an ECC option makes light work of enormous tasks, while PCI Express expansion supports Fibre Channel interconnects, the latest data collection devices, and multiple graphics cards for an array of up to eight Apple Cinema Displays.5 UNIX-based Mac OS X allows you to run complex scientic applications and commandline tools alongside essential productivity applications, such as Microsoft Excel and Adobe Photoshopall on the same computer and operating system. Scientic visualization and stereo 3D In elds such as molecular modeling, X-ray crystallography, computational chemistry, aerial mapping, or medical imaging, users need to visualize more information than can be represented in a conventional planar display. With the help of an added dimension and stereoscopic technologies, researchers can comprehend extremely large data sets, such as the construct of molecules in a drug or a virus, or extremely complex data, such as a detailed aerial photograph. The optional NVIDIA Quadro FX 4500 graphics card features a stereo 3D graphics port, enabling you to use stereo 3D goggles, such as those from Stereo Graphics Corporation, to view an added dimension on your CRT. Stereo-in-a-window support in Mac OS X further enhances visualization, allowing you to designate a quadrant of the display for stereo visualization, while using the other areas of the display concurrently to control the model, edit data, or make notations.6

Optical digital audio specications
Input Data format Connector type Sample rates External clock mode Internal clock mode Bits per sample Signal-to-noise ratio External clock mode Internal clock mode Total harmonic distortion External clock mode Internal clock mode S/PDIF (IEC60958-3) Toslink optical (IEC60874-17) 32kHz to 96kHz 32kHz to 96kHz 16 or 24 Greater than 130 dB Greater than 110 dB Less than 0.00003 percent Less than 0.0003 percent Output S/PDIF (IEC60958-3) Toslink optical (IEC60874-17) 32kHz to 96kHz 32kHz to 96kHz 16 or 24 Greater than 130 dB Greater than 130 dB Less than 0.00003 percent Less than 0.00003 percent
Analog input specications
Line input Sample rates Bits per sample Jack type Input impedance Maximum input voltage Frequency response Signal-to-noise ratio Total harmonic distortion 32kHz, 44.1kHz, or 48kHz 16 or 24 3.5-mm stereo Greater than 47K ohms 2Vrms (+8.2 dBu) 20Hz to 20kHz, +0.5 dB/3 dB Greater than 90 dB Less than 0.006 percent
Analog output specications
Line output Sample rates Bits per sample Jack type Output impedance Output voltage Frequency response Signal-to-noise ratio Total harmonic distortion 32kHz, 44.1kHz, or 48kHz 16 or 24 3.5-mm stereo 24 ohms 1.4Vrms (+4.1 dBu) 20Hz to 20kHz, +0.5 dB/3 dB Greater than 90 dB Less than 0.01 percent Headphone jack 32kHz, 44.1kHz, or 48kHz 16 or 24 3.5-mm stereo 24 ohms 1.4Vrms (+4.1 dBu) 20Hz to 20kHz, +0.5 dB/3 dB Greater than 90 dB Less than 0.01 percent 20 mW
Output power (into 32 ohms)
Based on typical performance specications.
To learn more about audio and the Mac platform, visit www.apple.com/pro/audio.

Congurations and Options

Standard Congurations
Apple oers Power Mac G5 systems to meet the needs of professionals, media producers, designers, educators, scientists, and researchers. The following standard congurations are available through the Apple Store and Apple Authorized Resellers.
Power Mac G5 Dual Order number Processor L2 cache Frontside bus Main memory Standard graphics M9590LL/A Dual-core 2GHz PowerPC G5 1MB per core 1GHz Power Mac G5 Dual M9591LL/A Dual-core 2.3GHz PowerPC G5 1MB per core 1.15GHz Power Mac G5 Quad M9592LL/A Two dual-core 2.5GHz PowerPC G5 1MB per core 1.25GHz per processor
512MB of 533MHz DDR2 SDRAM (PC2-4200); supports up to 16GB NVIDIA GeForce 6600 LE with 128MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port NVIDIA GeForce 6600 with 256MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port

Extended Service and Support
Purchase the AppleCare Protection Plan to extend your service and support to up to three full years from the purchase date of your computer. The plan provides support for your Mac, the Mac OS, and many Apple consumer applications, so just one phone call can help resolve most issues. You can also enroll one Apple display for coverage, provided that your Power Mac G5 and display are purchased together. For more information, visit www.apple.com/support/products.

Technical Specications

Processing Single 2GHz, single 2.3GHz, or dual 2.5GHz dual-core PowerPC G5 microprocessors PowerPC processor architecture with 64-bit data paths and registers; each core includes: 1MB on-chip L2 cache running at processor speed (total 2MB per processor) Parallel data structure supporting up to 215 simultaneous in-ight instructions Simultaneous issue of up to 10 out-of-order operations Dual-pipeline Velocity Engine for 128-bit single-instruction, multiple-data (SIMD) processing Two independent double-precision oating-point units Advanced three-component branch prediction logic Native support for 32-bit application code Single 1GHz, single 1.15GHz, or dual 1.25GHz 64-bit DDR bidirectional frontside buses Point-to-point system controller Memory 128-bit memory controller and data paths 512MB of 533MHz DDR2 SDRAM (PC2-4200) Eight DIMM slots supporting up to 16GB of main memory Support for the following DIMMs (in pairs): 256MB DIMMs (64-bit-wide, 512-Mbit) 512MB DIMMs (64-bit-wide, 512-Mbit) 1GB DIMMs (64-bit-wide, 512-Mbit or 1-Gbit) 2GB DIMMs (64-bit-wide, 1-Gbit) ECC memory available in congurations with 1GB or more (build-to-order option) Graphics and displays 16-lane PCI Express graphics slot with one of the following graphics cards installed: NVIDIA GeForce 6600 LE with 128MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port NVIDIA GeForce 6600 with 256MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port NVIDIA GeForce 7800 GT with 256MB of GDDR3 SDRAM, one single-link DVI port, and one dual-link DVI port (build-to-order option) NVIDIA Quadro FX 4500 with 512MB of GDDR3 SDRAM, two dual-link DVI ports, and one stereo 3D port (build-to-order option; occupies 16-lane PCI Express slot and adjacent PCI Express slot) Support for graphics cards that require up to 150W Support for digital resolutions up to 1920 by 1200 pixels; dual-link DVI ports support up to 2560 by 1600 pixels

Support for analog resolutions up to 2048 by 1536 pixels DVI to VGA Adapter included Dual-display support for extended desktop and video mirroring modes Support for up to two Apple at-panel displays for each graphics card installed5
Storage Two 3.5-inch hard drive bays, each with a 150-MBps Serial ATA controller; one of the following is installed: One 160GB 7200-rpm Serial ATA; 8MB memory buer One 250GB 7200-rpm Serial ATA; 8MB memory buer One or two 500GB 7200-rpm Serial ATA; 16MB memory buer (build-to-order option) 16x SuperDrive with double-layer support (DVD+R DL/DVDRW/CD-RW); writes DVD-R discs at up to 16x speed, writes DVD+R DL discs at up to 6x speed, reads DVDs at up to 16x speed, writes CD-R and CD-RW discs at up to 24x speed, reads CDs at up to 32x speed PCI expansion Two open full-length four-lane PCI Express slots One open full-length eight-lane PCI Express slot PCI Express cards of any size supported in all slots Communications Two independent 10/100/1000BASE-T Ethernet (RJ-45) interfaces with support for jumbo frames Optional AirPort Extreme and Bluetooth 2.0 + EDR (build-to-order option or installed by Apple Authorized Service Provider) AirPort Extreme: Based on IEEE 802.11g standard and Wi-Fi Certied for 802.11g and 802.11b interoperability3 Bluetooth: Support for Enhanced Data Rate, or data rates up to 3 Mbps Optional external Apple USB Modem (RJ-11) Peripherals and audio One FireWire 800 port; two FireWire 400 ports (one on front panel; 15W total power) Four USB 2.0 ports (one on front panel); two USB 1.1 ports on included keyboard Front headphone minijack and speaker Optical digital audio input and output Toslink connectors Stereo analog line-level input and output minijacks Electrical and environmental requirements Meets ENERGY STAR requirements Line voltage: 100125V AC or 200240V AC (wide-range power supply input voltage) Frequency: 50Hz to 60Hz, single phase Maximum current: At least 10A (low-voltage range) or 5A (high-voltage range) Operating temperature: 50 to 95 F (10 to 35 C) Storage temperature: 40 to 149 F (40 to 65 C) Relative humidity: 5% to 95% noncondensing Maximum altitude: 10,000 feet Size and weight Height: 20.1 inches (51.1 cm) Width: 8.1 inches (20.6 cm) Depth: 18.7 inches (47.5 cm) Weight (standard congurations): 44.5 to 48.8 pounds (20.2 to 22.1 kg)10

For More Information

For more information about the Power Mac G5, visit www.apple.com/powermac.
Internet access requires a compatible Internet service provider; fees may apply. Product contains electronic documentation. Backup copy of software is included. 1Testing conducted by Apple in September 2005 using preproduction 2.5GHz Power Mac G5 Quad units; all other systems tested were shipping units. 21GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less. 3Wireless Internet access requires AirPort Extreme technology, a base station or other wireless access point, and Internet access (fees may apply). Achieving data rates up to 54 Mbps requires that all users have an 802.11g-enabled computer and connect to an 802.11g wireless access point. Some ISPs are not compatible with AirPort. Streaming music requires a compatible stereo system or powered speakers. Range may vary with site conditions. 4Actual rates will vary. 5Eight 20-inch or 23-inch Apple Cinema Displays can be connected to the Power Mac G5 using four NVIDIA GeForce 6600 graphics cards. 6Stereo-in-a-window requires an NVIDIA Quadro FX 4500 graphics card, a CRT display, and stereo goggles (sold separately). 7The NVIDIA GeForce FX 4500 graphics card occupies the 16-lane PCI Express slot and adjacent PCI Express slot. 8S-video and composite video output are supported by the NVIDIA GeForce 6600 LE and 6600 cards. 9The Apple Wireless Keyboard and Mouse require Bluetooth technology. 10Weight varies by conguration and manufacturing process. 2005 Apple Computer, Inc. All rights reserved. Apple, the Apple logo, AirPort, Apple Cinema Display, ColorSync, DVD Studio Pro, Final Cut, Final Cut Pro, FireWire, iCal, iDVD, iLife, iMovie, iPhoto, iPod, iTunes, Logic, Mac, Macintosh, Mac OS, Power Mac, Quartz, QuickTime, Soundtrack, Velocity Engine, Xcode, Xsan, and Xserve are trademarks of Apple Computer, Inc., registered in the U.S. and other countries. AirPort Express, Expos, Finder, GarageBand, iChat, iSight, Safari, Spotlight, SuperDrive, and Tiger are trademarks of Apple Computer, Inc. AppleCare and Apple Store are service marks of Apple Computer, Inc., registered in the U.S. and other countries. Adobe is a trademark or registered trademark of Adobe Systems Incorporated in the U.S. and/or other countries. ENERGY STAR is a U.S. registered mark. FileMaker is a trademark of FileMaker, Inc., registered in the U.S. and other countries. OpenGL is a registered trademark of Silicon Graphics, Inc. PowerPC is a trademark of International Business Machines Corporation, used under license therefrom. Mighty Mouse Viacom International Inc. All rights reserved. Other product and company names mentioned herein may be trademarks of their respective companies. Product specications are subject to change without notice. This material is provided for information purposes only; Apple assumes no liability related to its use. October 2005 L312055A