| Powered by an Intel "Nehalem" Xeon processor and featuring a next-generation system architecture, the Apple Mac Pro desktop PC delivers up to twice the performance of its predecessor. It combines a single, hyper-threaded 2.66 GHz Quad-Core Intel Xeon 3500 series processor with a new Turbo Boost feature that automatically boosts the processor clock speed based on workload. An updated interior provides easy access to all components within the Mac Pro for hassle-free expansion and massive upgrade ability--up to 8 GB of 800 MHz RAM and four hard drive bays for up to 4 TB (that's right--terabytes) of storage under the hood. And while it comes standard with a 16x SuperDrive (compatible with burning DVD±R/RW and CD-R/RW discs), you can also add a second writing SuperDrive. Continuing Apple's commitment to the environment, the new Mac Pro exceeds Energy Star 4.0 requirements and is leading the industry as an early adopter of the more stringent Energy Star 5.0 requirements which will become effective later this year. The Mac Pro enclosure is made of highly recyclable aluminum and the interior is designed to be more material-efficient. This model of the Mac Pro (MB871LL/A) features a 640 GB hard drive, 3 GB of RAM, NVIDIA GeForce GT 120 with 512MB GDDR3 memory, Mini DisplayPort and dual-link DVI video output, and a plethora of USB 2.0 and FireWire 800 ports on the back and front of the chassis. It comes pre-loaded with Apple's Mac OS X 10.6 Snow Leopard operating system--an operating system custom-designed for the advanced technology inside--and it also comes with the iLife '09 suite of applications, including iPhoto, iMovie, Garageband, and iTunes. The Nehalem Advantage
Many quad-core processors are composed of two separate dies, which means some cached data has to travel outside the processor to get from core to core. That's an inefficient way to access information. Enter the Quad-Core Intel Xeon Nehalem processor. Its single-die, 64-bit architecture makes 8 MB of fully shared L3 cache readily available to each of the four processor cores. The result is fast access to cache data and greater application performance. 
The next-generation system architecture delivers up to twice the performance of the previous generation Mac Pro system. | 
Smart design makes installing massive amounts of memory, adding expansion cards, and increasing storage surprisingly simple. | 
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System memory is often connected to a processor through a separate I/O controller. But each Intel Xeon Nehalem processor features an integrated memory controller--another leap forward for workstation system architecture. By connecting memory directly to the processor, the new Mac Pro processors have faster access to data stored in memory, and memory latency is reduced by up to 40 percent. The integrated memory controller, along with fast 1066 MHz DDR3 ECC SDRAM, also gives Mac Pro up to a 2.4x increase in memory bandwidth over previous generations. More bandwidth allows for more data to be fed to the processor faster, helping each core spend its time processing data, not waiting for information to arrive. And Error Correction Code (ECC) corrects single-bit errors and detects multiple-bit errors automatically. That's especially important in mission-critical and compute-intensive environments. The new Mac Pro introduces Turbo Boost: a dynamic performance technology that automatically boosts the processor clock speed based on workload. If you're using an application that doesn't need every core, Turbo Boost shuts off the idle cores while simultaneously increasing the speed of the active ones. The new Intel Xeon Nehalem processor also supports Hyper-Threading, which allows two threads to run simultaneously on each core. This model of Mac Pro is powered by a single 2.66 GHz Quad-Core Intel Xeon processor, which also features 8 MB of fully shared L3 cache, an integrated memory controller, 128-bit SSE4 SIMD engine, and 64-bit data paths and registers. Storage and Memory
This model of Mac Pro includes a 640 GB Serial ATA (3Gb/s; 7200 rpm), but it comes with four 3.5-inch internal hard drive bays for an enormous amount of internal storage--up to 4 TB. Each bay provides its own independent 3Gb/s channel for fast access to data. For the ultimate in data protection and enhanced performance, add the new Mac Pro RAID Card with 512MB of RAID cache, a 72-hour cache-protecting battery, and hardware RAID levels 0, 1, 5, and 0+1. A new cableless connection and intuitive Apple software make it a snap to install this optional card. It's also equipped right out of the box with 3 GB (three 1 GB DIMMs) of 1066 MHz DDR3 ECC SDRAM. It includes four memory slots supporting up to 8 GB of main memory using 1 GB or 2 GB DIMMs. Graphics
If you're a pro who wants a desktop computer that keeps pace with your imagination, the Mac Pro delivers with faster graphics application performance across the board. Whether you're decoding H.264 content in Final Cut Pro, creating 3D graphics in Motion, processing massive RAW images in Aperture, or playing the latest games, the graphics hardware in the new Mac Pro makes graphics applications faster. This Mac Pro comes standard with the NVIDIA GeForce GT 120 graphics processor, which includes 512MB of discrete GDDR3 video memory--perfect for motion graphics, 3D modeling, rendering, or animation. Expansion and Connectivity
The redesigned interior of the new Mac Pro feels like the well-organized workstation it is. No rat's nest of components here. You don't need to turn the system on its side or struggle to reach into awkward spaces to make changes. Just remove the side panel for instant, easy access to everything. Slide out the processor tray to add memory. Slide out hard drive bays to add storage. Slide a simple bar to change up to four expansion cards at once. And with plenty of I/O ports both front and back, you'll have room for all your external devices. When it's time to upgrade, a quick slide of the retention bar frees up the four expansion card slots for easy access. Thanks to a thumbscrew PCI bracket, you can swap out cards without any tools. All four slots are now PCI Express 2.0 for up to twice the performance of the previous generation. And since the graphics slot in the Mac Pro is double-wide, your graphics card won't cover an adjacent slot. The Mac Pro comes with four 3.5-inch internal hard drive bays for an enormous amount of internal storage--up to 4TB. The bays are direct-attach and cable free, so it's easy to add or remove drives. Just attach the drive carrier to a Serial ATA 3Gb/s drive and slide the drive into place. There are no connectors or cables to contend with. Lock the drives with the side door latch, and you're done. Install more memory in your Mac Pro in a snap. Literally. The redesigned interior lets you slide out the processor tray in one smooth motion, then simply snap new memory into place. You don't have to dig around inside the computer or wrestle with wires or cables. There are plenty of places to connect external devices to your Mac Pro. You'll find two FireWire 800 ports, two USB 2.0 ports, and a headphone minijack right up front--where it's more convenient to connect storage, multimedia devices, and high-speed peripherals. And there are even more ports on the back: three USB 2.0, two FireWire 800, optical audio in and out, analog audio in and out, and dual Gigabit Ethernet ports. Other Features
- Four FireWire 800 ports (two on front panel, two on back panel)
- Five USB 2.0 ports (two on front panel, three on back panel)
- Two USB 2.0 ports on included keyboard
- Front-panel headphone minijack and internal speaker
- Optical digital audio input and output TOSLINK ports
- Analog stereo line-level input and output minijacks
- Three open full-length PCI Express expansion slots (one PCI Express 2.0 x16 slot; two PCI Express 2.0 x4 slots); all slots provide mechanical support for 16-lane cards
- Two independent 10/100/1000BASE-T Ethernet (RJ-45) interfaces with support for jumbo frames
- Bluetooth 2.1 + Enhanced Data Rate (EDR)
- 18x SuperDrive with double-layer support (DVD±R DL/DVD±RW/CD-RW): 18x DVD±R, 8x DVD±R DL, 8x DVD+RW, 6x DVD-RW, 32x CD-R/RW
- One open optical drive bay for optional second SuperDrive
- Dimensions: 8.1 x 20.1 x 18.7 inches (WxHxD)
- Weight: 40 pounds
The Greenest Mac Pro Yet
Even though the Mac Pro is the fastest Mac ever, nearly 2x faster than before, it is also more energy efficient. The energy-efficient hardware components in the Mac Pro work hand in hand with Mac OS X to create a system that can dynamically adjust power consumption to reduce the overall energy used. For instance, the CPU architecture allows individual cores to go into a low-power state to reduce energy consumption when they are not needed. The graphics card does the same, reducing power draw when not running graphics-intensive applications. The result is a smarter and more energy-efficient system that is not only as fast as possible when you need it, but also throttles down power use when it's not needed. Compared with the previous-generation Mac Pro, the power used when the system is idle has been reduced by 15 percent. The Mac Pro meets the stringent power requirements set by the EPA, earning ENERGY STAR certification. In addition, it meets the latest efficiency requirements of ENERGY STAR Version 5.0 Specification for Computers before its July 2009 effective date. ENERGY STAR 5.0 sets significantly higher efficiency limits for power supplies as well as aggressive limits for the computer's typical annual power consumption. It has also earned the highest rating of EPEAT Gold. The Electronic Product Environmental Assessment Tool, or EPEAT, evaluates the environmental impact of a product based on how recyclable it is, how much energy it uses, and how it's designed and manufactured. Pre-Loaded with Mac OS X Snow Leopard and iLife '09
Every Mac comes with Mac OS X Snow Leopard, the world's most advanced operating system, and iLife, Apple's innovative suite of applications for managing photos, making movies and creating and learning to play music. Snow Leopard builds on a decade of OS X innovation and success with hundreds of refinements, new core technologies and out of the box support for Microsoft Exchange. iLife features iPhoto, to easily organize and manage photos; iMovie with powerful easy-to-use new features such as Precision Editor, video stabilization and advanced drag and drop; and GarageBand which introduces a whole new way to help you learn to play piano and guitar. Installed software
- Mac OS X v10.6 Snow Leopard (includes Time Machine, Quick Look, Spaces, Spotlight, Dashboard, Mail, iChat, Safari, Address Book, QuickTime, iCal, DVD Player, Photo Booth, Front Row, Xcode Developer Tools)
- iLife '09 (includes iPhoto, iMovie, GarageBand, iWeb, iDVD)
What's in the Box
Mac Pro, power cord, Apple Keyboard with Numeric Keypad, Mighty Mouse, USB keyboard extension cable, install/restore DVDs, printed and electronic documentation ...Read more
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