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Processing
8-core: Two 2.26GHz, 2.66GHz, or 2.93GHz Quad-Core Intel Xeon 5500 series processors
Quad-core: One 2.66GHz or 2.93GHz Quad-Core Intel Xeon 3500 series processor
Next-generation Intel microarchitecture
- 8MB of fully shared L3 cache per processor
- Integrated memory controller
- Turbo Boost dynamic performance (up to 3.33GHz on 8-core 2.93GHz system)
- Hyper-Threading technology for up to 16 virtual cores
- 128-bit SSE4 SIMD engine
- 64-bit data paths and registers
- Optimized for energy efficiency
Memory
1066MHz DDR3 ECC SDRAM
8-core: Eight memory slots (four per processor) supporting up to 32GB of main memory using 1GB, 2GB, or 4GB DIMMs
Quad-core: Four memory slots supporting up to 8GB of main memory using 1GB or 2GB DIMMs
Graphics and displays
Double-wide, 16-lane PCI Express 2.0 graphics slot with one of the following graphics cards installed:
- NVIDIA GeForce GT 120 with 512MB of GDDR3 memory, PCI Express 2.0, one Mini DisplayPort, and one dual-link DVI port
- ATI Radeon HD 4870 with 512MB of GDDR5 memory, PCI Express 2.0, one Mini DisplayPort, and one dual-link DVI port
Multiple graphics card configurations available with two, three, or four NVIDIA GeForce GT 120 cards
Support for up to eight 30-inch displays1
Support for digital resolutions up to 2560 by 1600 pixels
Support for analog resolutions up to 2048 by 1536 pixels
Video adapters available for
- Additional DVI output using Mini DisplayPort to DVI Adapter (optional)
- Additional dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (optional)
- VGA output using Mini DisplayPort to VGA Adapter or DVI to VGA Display Adapter (optional)
Communications
 Two independent 10/100/1000BASE-T Ethernet (RJ-45) interfaces with support for jumbo frames
Bluetooth 2.1 + Enhanced Data Rate (EDR)
Optional AirPort Extreme Wi-Fi card with 802.11n2 (based on an IEEE 802.11n draft specification); IEEE 802.11a/b/g compatible
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Storage
Four 3.5-inch cable-free, direct-attach hard drive bays with built-in independent 3Gb/s Serial ATA channels; four internal hard drive carriers included
Up to 4TB of internal storage3 in hard drive bays 1 through 4 using hard drives in the following capacities:
- 640GB Serial ATA 3Gb/s, 7200 rpm, 16MB cache
- 1TB Serial ATA 3Gb/s, 7200 rpm, 32MB cache
- Optional Mac Pro RAID Card with 512MB cache and 72-hour cache battery backup
- 18x SuperDrive with double-layer support (DVD±R DL/DVD±RW/CD-RW)
- Writes DVD+R and DVD-R discs at up to 18x speed
- Writes DVD+R DL and DVD-R DL discs at up to 8x speed
- Writes DVD+RW discs at up to 8x speed
- Writes DVD-RW discs at up to 6x speed
- Reads DVDs at up to 18x speed
- Writes CD-R and CD-RW discs at up to 32x speed
- Reads CDs at up to 32x speed
- One open optical drive bay for optional second SuperDrive
Electrical and operating requirements
- Line voltage: 100-120V AC or 200-240V AC (wide-range power supply input voltage)
- Frequency: 50Hz to 60Hz single phase
- Current: Maximum of 12A (low-voltage range) or 6A (high-voltage range)
- Operating temperature: 50° to 95° F (10° to 35° C)
- Storage temperature: -40° to 116° F (-40° to 47° C)
- Relative humidity: 5% to 95% noncondensing
- Maximum operating altitude: 10,000 feet
Environmental Status Report
- BFR-free
 
- PVC-free (internal cables)
- Highly recyclable aluminum enclosure
- Meets ENERGY STAR 5.0
requirements4
- Rated EPEAT Gold
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Connections and audio
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
PCI Express expansion
Three open full-length PCI Express expansion slots5
- One PCI Express 2.0 x16 slot
- Two PCI Express 2.0 x4 slots
All slots provide mechanical support for 16-lane cards
300W combined maximum for all PCI Express slots
Software
 Mac OS X v10.5 Leopard (includes iTunes, 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, iDVD, iWeb, and GarageBand)
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 configuration):
- 8-core: 41.2 pounds (18.7 kg)6
- MagSafe power port6
Electrical and operating requirements
 Mac Pro
Power cord
Apple Keyboard with Numeric Keypad and Mighty Mouse
USB keyboard extension cable
Install/restore DVDs
Printed and electronic documentation
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(Early 2009)
