Processor / Memory

Two 2.8GHz, 3.0GHz, or 3.2GHz Quad-Core Intel Xeon 5400 series processors
Quad-core: One 2.8GHz Quad-Core Intel Xeon 5400 series processor

800MHz DDR2 ECC fully buffered DIMM (FB-DIMM) memory
Eight FB-DIMM slots on two memory riser cards (four slots per card)

OWC Memory Upgrades: Add up to 32GB of memory. OWC certified for up to 32GB of memory.

Internal Drives

320GB 7200RPM Serial ATA hard drive
Optional 500GB, 750GB, 1TB 7200RPM or 300GB 15,000RPM hard drive

16x SuperDrive with double-layer support (DVD±R DL/DVD±RW/CD-RW)

Maximum write: 16x DVD-R, DVD+R; 8x DVD-R DL (double layer), DVD+R DL (double layer), DVD-RW, DVD+RW; 32x CD-R; 24x CD-RW

Maximum read: 16x 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

Two FireWire 800 ports
Two FireWire 400 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

Optional external Apple USB Modem (RJ-11)

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

ATI Radeon HD 2600 XT with 256MB of GDDR3 memory and two dual-link DVI ports
NVIDIA GeForce 8800 GT with 512MB of GDDR3 memory and two dual-link DVI ports

NVIDIA Quadro FX 5600 with 1.5GB of GDDR3 memory, two dual-link DVI ports, and one stereo 3D port

Multiple graphics card configurations including two, three, or four ATI Radeon HD 2600 XT 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)
Weight:	42.2lb.	(19.2 kg)

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

AirMac®, AirPlay®, AirPort®, AirPort Express®, AirPort Extreme®, AirTunes®, A.Pack®, Aperture®, Apple®, AppleCAT®, AppleCD SC®, Apple Cinema Display®, AppleScript®, AppleScript Studio®, AppleShare®, AppleTalk®, Apple TV®, AppleWorks®, Aqua®, Back to My Mac®, Bonjour®, Boot Camp®, Carbon®, Claris®, Cocoa®, Cocoa Touch®, ColorSync®, Cover Flow®, Dashcode®, DVD Studio Pro®, EdView®, Web portal eMac®, Encyclomedia®, EtherTalk®, Exposé®, FaceTime®, FairPlay®, FileVault®, Final Cut®, Final Cut Pro®, Final Cut Studio®, Finder®, FireWire®, FireWire symbol®, FontSync®, GarageBand®, HyperCard®, HyperTalk®, iBook®, iBooks®, iCal®, iChat®, iDVD®, iLife®, iMac®, ImageWriter®, iMovie®, Inkwell®, Instruments®, Inter·Poll®, iPad®, iPhone®, iPhoto®, iPod®, iPod classic®, iPod Hi-Fi®, iPod nano®, iPod shuffle®, iPod Socks®, iPod touch®, iSight®, iTunes®, iTunes Logo®, iTunes Pass®, iWork®, Jam Pack®, Keychain®, Keynote®, Leopard®, LiveType®, LocalTalk®, Logic®, Logic Studio®, Mac®, Mac logo®, MacApp®, MacBook®, MacBook Air®, MacDNS®, Macintosh®, Mac OS®, Mac Pro®, MacTCP®, MagSafe®, MainStage®, MPW®, Numbers®, Objective-C®, OpenPlay®, OS X®, Pages®, Panther®, Photo Booth®, Pixlet®, Podcast Logo®, PowerBook®, Power Mac®, Quartz®, QuickDraw®, QuickTime®, QuickTime logo®, Rosetta®, SADE®, Safari®, Shake®, Sherlock®, Snow Leopard®, Soundtrack®, Spaces®, Spotlight®, SuperDrive®, Think different®, Tiger®, Time Capsule®, Time Machine®, TrueType®, Tubes®, Ultrabeat®, Velocity Engine®, WaveBurner®, WebObjects®, Works with iPhone logo®, Xcode®, Xgrid®, Xsan®, and Xserve® are trademarks of Apple Inc., registered in the U.S. and other countries.

AirDrop™, AirPrint™, Apple IIGS™, AppleLink™, Apple Media Series™, Apple Remote Desktop™, Apple Studio Display™, Apple TechStep™, AppleVision™, Cinema Tools™, DVD@CCESS™, Enterprise Objects™, Enterprise Objects Framework™, Extensions Manager™, FireWire logo™, iWeb™, LaserWriter™, Launchpad™, MacPAD™, MacTest™, Made for iPad logo™, Made for iPhone logo™, Mission Control™, Multi-Touch™, NetInfo™, Newton™, OfflineRT™, OpenCL™, Photocasting™, ProDOS™, QuickTime Broadcaster™, QuickTime TV™, Retina™, Shuffle™, Siri™, Skia™, SnapBack™, StyleWriter™, and WebScript™ are a trademarks of Apple Inc.

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