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:
8-core 41.2 pounds (18.7 kg)

Processing

• Advanced Intel microarchitecture
  • Integrated memory controller
  • 128-bit SSE4 SIMD engine
  • 64-bit data paths and registers
  • Optimized for energy efficiency

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
• Multichannel audio through Mini DisplayPort

Graphics and displays

• ATI Radeon HD 5770 with 1GB of GDDR5 memory, PCI Express 2.0, two Mini DisplayPort outputs, and one dual-link DVI port
• 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)

Memory

• Dual-processor systems
  • 8Gb of 1066MHz DDR3 ECC SDRAM

Communications

• Built-in AirPort Extreme 802.11n Wi-Fi wireless networking; IEEE 802.11a/b/g compatible
• Bluetooth 2.1 + Enhanced Data Rate (EDR) wireless technology
• Two independent 10/100/1000BASE-T Ethernet (RJ-45) interfaces with support for jumbo frames

Environmental Status Report

• BFR-free
• PVC-free (internal cables)
• Highly recyclable aluminum enclosure
• Meets ENERGY STAR 5.0 requirements⁴
• Rated EPEAT Gold

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 5A (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

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

Storage

• Four 3.5-inch cable-free, direct-attach drive bays with built-in independent 3Gb/s Serial ATA channels; four internal drive carriers included
• Up to 8TB of internal storage in bays 1 through 4
  • 640GB hard drives, Serial ATA 3Gb/s, 7200 rpm, 32MB cache installed in Bay 1
  • 640GB hard drives, Serial ATA 3Gb/s, 7200 rpm, 32MB cache installed in Bay 2
• 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