Processor / Memory

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

1066MHz DDR3 ECC SDRAM memory
8-core: Eight memory slots (four per processor)
Quad-core: Four memory slots

OWC Memory Upgrades: Add up to 96GB of memory. OWC certified for up to 96GB of memory.

Internal Drives

640GB 7200RPM Serial ATA hard drive
Optional 1TB 7200RPM hard drive

18x SuperDrive with double-layer support (DVD±R DL/DVD±RW/CD-RW)

Maximum write: 18x DVD-R, DVD+R; 8x DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 32x CD-R; 32x CD-RW

Maximum read: 18x DVD-R, DVD+R, DVD-ROM; DVD-ROM (double layer DVD-9), DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 32x CD

Hard drive upgrade: Add up to 16.0TB of storage	Optical drive: Update/replace the internal Apple SuperDrive®
OWC SSD upgrade: Upgrade to OWC SSD performance

Ports

Four FireWire 800 ports
Five USB 2.0 ports

Two USB 1.1 ports on included keyboard
Front-panel headphone minijack and speaker

Optical digital audio input and output TOSLINK ports
Analog stereo line-level input and output minijacks

External FireWire, USB, and eSATA, storage solutions | Audio, input, network, displays and power accessories

Power

Line voltage: 100-120V – 200-240V AC

Frequency: 50Hz to 60Hz single phase

Relative humidity: 5% to 95% noncondensing

Maximum altitude: 10,000 feet

Network

Two independent 10/100/1000BASE-T Ethernet (RJ-45)

Optional 802.11n AirPort Extreme wireless networking

Optional Bluetooth 2.0 + Enhanced Data Rate (EDR) up to 3Mb/s

Airport / Wireless Routers | Bluetooth Accessories | Ethernet

Sound

Front-panel headphone minijack and speaker

Optical digital audio input and output TOSLINK ports

Analog stereo line-level input and output minijacks

Speakers and Headphones

Graphics / Video

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

Keyboard / Mouse

Full-size keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted "T" arrangement)

Apple Mighty Mouse

Keyboards | Mice / Trackpads / Mouse Pads

Dimensions / Weight

Height:	20.1"	(51.1cm)
Width:	8.1"	(20.6cm)
Depth:	18.7"	(47.5cm)
(8-core) Weight:	41.2lb.	(18.7 kg)
(Quad-core) Weight:	39.9lb.	(18.1 kg)

*While researched thoroughly via independent resources, OWC does not make any claim to accuracy or completeness of these specifications.

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Intel, Intel Core, and Xeon are trademarks of Intel Corporation in the U.S. and/or other countries.