Technical Specifications

Processing

• Single 2GHz, single 2.3GHz, or dual 2.5GHz dual-core PowerPC G5 microprocessors
• PowerPC processor architecture with 64-bit data paths and registers; each core includes:
• 1MB on-chip L2 cache running at processor speed (total 2MB per processor)
• Parallel data structure supporting up to 215 simultaneous in-flight instructions
• Simultaneous issue of up to 10 out-of-order operations
• Dual-pipeline Velocity Engine for 128-bit single-instruction, multiple-data (SIMD) processing
• Two independent double-precision floating-point units
• Advanced three-component branch prediction logic
• Native support for 32-bit application code
• Single 1GHz, single 1.15GHz, or dual 1.25GHz 64-bit DDR bidirectional frontside buses
• Point-to-point system controller

Memory

• 128-bit memory controller and data paths
• 512MB of 533MHz DDR2 SDRAM (PC2-4200)
• Eight DIMM slots supporting up to 16GB of main memory
• Support for the following DIMMs (in pairs):
• 256MB DIMMs (64-bit-wide, 512-Mbit)
• 512MB DIMMs (64-bit-wide, 512-Mbit)
• 1GB DIMMs (64-bit-wide, 512-Mbit or 1-Gbit)
• 2GB DIMMs (64-bit-wide, 1-Gbit)
• ECC memory available in configurations with 1GB or more (build-to-order option)

PCI Express expansion (2)

• Two open full-length four-lane PCI Express slots
• One open full-length eight-lane PCI Express slot
• PCI Express cards of any size supported in all slots

Graphics and displays

• 16-lane PCI Express graphics slot with one of the following graphics cards installed:
• NVIDIA GeForce 6600 LE with 128MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port
• NVIDIA GeForce 6600 with 256MB of GDDR SDRAM, one single-link DVI port, and one dual-link DVI port
• NVIDIA GeForce 7800 GT with 256MB of GDDR3 SDRAM, one single-link DVI port, and one dual-link DVI port (build-to-order option)
• NVIDIA Quadro FX 4500 with 512MB of GDDR3 SDRAM, two dual-link DVI ports, and one stereo 3D port (build-to-order option; occupies 16-lane PCI Express slot and adjacent PCI Express slot)
• Support for graphics cards that require up to 150W
• Support for digital resolutions up to 1920 by 1200 pixels; dual-link DVI ports support up to 2560 by 1600 pixels
• Support for analog resolutions up to 2048 by 1536 pixels
• DVI to VGA Adapter included
• Dual-display support for extended desktop and video mirroring modes
• Support for up to two Apple flat-panel displays for each graphics card installed

Storage

• Two 3.5-inch hard drive bays, each with a 150-MBps Serial ATA controller; one of the following is installed:
• One 160GB 7200-rpm Serial ATA; 8MB memory buffer(1)
• One 250GB 7200-rpm Serial ATA; 8MB memory buffer (1)
• One or two 500GB 7200-rpm Serial ATA; 16MB memory buffer (build-to-order option)(1)
• 16x SuperDrive with double-layer support (DVD+R DL/DVD±RW/CD-RW); writes DVD-R discs at up to 16x speed, writes DVD+R DL discs at up to 6x speed, reads DVDs at up to 16x speed, writes CD-R and CD-RW discs at up to 24x speed, reads CDs at up to 32x speed

Communications

• Two independent 10/100/1000BASE-T Ethernet (RJ-45) interfaces with support for jumbo frames
• Optional AirPort Extreme and Bluetooth 2.0 (build-to-order option or installed by Apple Authorized Service Provider)
• AirPort Extreme: Based on IEEE 802.11g standard and Wi-Fi Certified for 802.11g and 802.11b interoperability (4)
• Bluetooth: Support for Enhanced Data Rate, or data rates up to 3 Mbps
• Optional external Apple USB Modem (RJ-11) (5)
• Integrated wireless antenna

Peripherals and audio

• One FireWire 800 port and two FireWire 400 ports (one on front panel, 15W total power)
• Four USB 2.0 ports (one on front panel), two USB 1.1 ports on included keyboard
• Front headphone minijack and speaker
• Optical digital audio input and output Toslink connectors
• Stereo analog line level input and line level output minijacks

Electrical and environmental requirements

• Meets ENERGY STAR requirements
• Line voltage: 100 - 125V AC or 200 - 240V AC (wide-range power supply input voltage)
• Frequency: 50Hz to 60Hz, single phase
• Maximum current: At least 10A (low-voltage range) or 5A (high-voltage range)
• Operating temperature: 50° to 95° F (10° to 35° C)
• Storage temperature: -40° to 149° F (-40° to 65° C)
• Relative humidity: 5% to 95% noncondensing
• Maximum altitude: 10,000 feet

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 configurations): 44.5 to 48.8 pounds (20.2 to 22.1 kg) (6)