Mac Pro - Specifications

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12-core Mac Pro

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Two 6-Core Intel Xeon series processors

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12 MB of shared L3 cache per processor

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1333 MHz DDR3 ECC SDRAM

Random-access memory (RAM)

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Unbuffered dual inline memory modules (UDIMMs)

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PC3-10600E, 1333 MHz, DDR3 SDRAM UDIMMs (memory operates at 1066 MHz or
1333 MHz, depending on the processor)

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DIMM slots

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Four slots available in a single-processor Mac Pro

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Eight slots available in an dual-processor Mac Pro

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Error-correcting code (ECC)

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72-bit wide, 240-pin ECC modules

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36 ICs maximum per ECC UDIMM

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Must conform to JEDEC specification (see “Installing Memory” on page 43)

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Nonparity

Graphics Card

PCI Express 2.0 graphics card with a dual-link Digital Visual Interface (DVI) connector
and two Mini DisplayPort connectors.

Mini DisplayPort audio output:

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Up to 8-channel (7.1), 24-bit audio at a maximum sample rate of 192.0 kHz

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Video Display Modes

For technical specifications for your display:

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Apple displays: Go to www.apple.com/displays

Storage

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4 independent 3 Gb/s Serial ATA (SATA), cable-free, direct-attach 3.5-inch hard
drive bays

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Type: SATA 3 Gb/s

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Bay Width: 3.9 inches (102 mm)

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Bay Depth: 5.7 inches (147 mm)

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Bay Height: 1.0 inch (25.4 mm)

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Four internal drive carriers (optional 2.5-inch solid state drives (SSDs) come with
drive adapters designed to mount in the 3.5-inch drive carriers)

PCI Express Expansion

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Four full-length PCI Express expansion slots (slot 1 contains the graphics card)

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Slots 1 and 2 are x16, PCI Express 2.0 slots

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Slots 3 and 4 are x4, PCI Express 2.0 slots

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All four slots support 16-lane cards

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300 W combined maximum for all PCI Express slots

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SuperDrive (DVD±R DL/DVD±RW/CD-RW) Specifications

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Disc diameters supported: 12 cm and 8 cm

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Data formats:

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CD-ROM

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CD-Audio

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CD-R

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CD-RW

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CD-I

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CD-I Bridge

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CD Extended

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CD Mixed Mode

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Photo CD

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Video CD

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Enhanced CD

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DVD-Video

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DVD±R

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DVD±RW

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DVD±R DL

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USB Specifications

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Support for Universal Serial Bus (USB) 2.0 and 1.1

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Seven external USB Type A ports

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Two USB 2.0 ports on the front

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Three USB 2.0 ports on the back

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Two USB 2.0 ports on the Apple Keyboard

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Each USB port (front and back) is on a separate 480 megabit-per-second (Mbit/s)
USB channel

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500 milliamperes (mA) available for a total of 1.5 A on the back and 1.0 A on the front

FireWire Specifications

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Four external FireWire ports: Two FireWire 800 ports (9-pin) on the front and two on
the back

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Data transfer speed: 100, 200, 400, and 800 Mbit/s

Power

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Output voltage: Approximately 12 V

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Output power: Up to a maximum of 28 W for all 4 ports or 12 W for any one port

Ethernet Specifications

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IEEE 802.3 compliant

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Maximum cable length: 328 feet (100 meters)

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Connector: RJ-45 for 10Base-T, 100Base-TX, and 1000Base-T

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Media, 10Base-T: Category (CAT) 3 or higher UTP on 2 pairs up to 100 m

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Media, 100Base-TX: CAT 5e UTP on 2 pairs up to 100 m

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Media, 1000Base-T: CAT 5e UTP on 4 pairs up to 100 m

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Channel speeds: IEEE Autonegotiation of 10Base-T, 100Base-TX, and 1000Base-T

Bluetooth 2.1+EDR Specifications

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Wireless data rate: Up to 3 Mbit/s

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Range: Up to 33 feet or 10 meters (data rates may vary, depending on
environmental conditions)

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Frequency band: 2.4 gigahertz (GHz)

AirPort Extreme Specifications

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Frequency band: 2.4 and 5 gigahertz (GHz)

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Radio output power: 20 dBm (nominal)

Compatibility

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802.11a, b, g, and n

Optical Digital Audio Specifications

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Data format: Sony/Phillips Digital Interface (S/PDIF) protocol (IEC60958-3)

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Connector type: TOSLINK optical (IEC60874-17)

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Bits per sample: 16-bit, 20-bit, or 24-bit

Optical digital audio out
Based on a typical situation with playback of a 1 kHz, 0 dBFS 24-bit sine wave, 44.1 kHz
output sample rate, unless otherwise specified below.

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Output sample rate: 44.1 kHz, 48 kHz, or 96 kHz

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Signal-to-noise ratio: Greater than 130 dB

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Total harmonic distortion + noise: Less than -130 dB (0.00003 percent)

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Optical digital audio in
Based on a typical situation with playback of a 1 kHz, 0 dBFS 24-bit sine wave, unless
otherwise specified below.

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Input sample rate: 44.1 kHz, 48 kHz, or 96 kHz

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Signal-to-noise ratio: Greater than 130 dB

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Total harmonic distortion + noise: Less than -130 dB (0.00003 percent)

Analog Audio Specifications

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Sample rate: 44.1 kHz, 48 kHz, or 96 kHz

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Jack type: 1/8” mini

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Bits per sample: 16-bit, 20-bit, or 24-bit

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Frequency response: 20 Hz to 20 kHz, +0.5 dB/-3 dB

Analog audio out using the headphone jack (typical values)
Based on a typical situation with playback of a 1 kHz, -3 dBFS 24-bit sine wave, 44.1 kHz
output sample rate into 150 ohms, unless otherwise specified below.

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Output voltage: 1.3 volts (root mean square) (V

rms

) (+4.5 dBu)

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Output impedance: 55 ohms

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Output power: 53 milliwatts (mW) into 32 ohms

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Signal-to-noise ratio: Greater than 90 dB

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Total harmonic distortion + noise: Less than -70 dB (.03 percent)

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Channel separation: Greater than 50 dB

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Analog audio line in (typical values)
Based on a typical situation with playback of a 1 kHz, -3 dBFS 24-bit sine wave, 44.1 kHz
output sample rate, unless otherwise specified below.

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Maximum input voltage: 2 V

rms

(+8.2 dBu)

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Input impedance: Greater than 17 kilohms

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Signal-to-noise ratio: Greater than 90 dB

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Total harmonic distortion + noise: Less than -85 dB (.006 percent)

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Channel separation: Greater than 85 dB

Analog audio line out (typical values)
Based on a typical situation with playback of a 1 kHz, -3 dBFS 24-bit sine wave, 44.1 kHz
output sample rate into 100 kilohms, unless otherwise specified below.

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Output voltage: 2 V

rms

(+8.2 dBu)

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Output impedance: 33 ohms

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Signal-to-noise ratio: Greater than 90 dB

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Total harmonic distortion + noise: Less than -85 dB (.006 percent)

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Channel separation: Greater than 85 dB

External microphone input using the headphone jack (typical values)
Based on a typical situation with playback of a 1 kHz, 28 mV

rms

sine wave, 44.1 kHz input

sample rate, 24-bit sampling, unless otherwise specified below.

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Maximum input voltage: 39 mV

rms

(-26 dBu)

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Input impedance: Greater than 1 kilohm

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Signal-to-noise ratio: Greater than 60 dB

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Total harmonic distortion + noise: Less than -60 dB (0.1 percent)

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Frequency response: 100 Hz to 8.2 kHz, +0.5 dB/-3 dB

Power Supply

AC line input

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Voltage ranges: 100–240 V alternating current (AC)

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Current: Maximum of 12 A (low voltage range) or 5 A (high voltage range)

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Frequency: 50–60 Hz single phase

Power Requirements for Expansion Cards and Peripherals

Expansion cards
Combined maximum power consumption for all four PCI Express slots should not
exceed 300 watts (W).

USB devices
Each of the computer’s built-in USB ports is allotted 500 mA.

FireWire devices
The computer can provide up to 28 W total to the FireWire ports.

System Clock and Battery

Your computer has CMOS custom circuitry with a long-life battery.

Battery
Use a 3-volt, BR 2032 lithium coin cell replacement battery (see “Replacing the Internal
Backup Battery” on page 79).

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Dimensions and Operating Environment

Dimensions

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Weight: 39.9 lbs. (18.1 kg)
The weight depends on the configuration. The weight above is for a basic
configuration and may be greater if optional devices are installed.

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Height: 20.1 inches (51.1 cm)

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Width: 8.1 inches (20.6 cm)

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Depth: 18.7 inches (47.5 cm)

Operating environment

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Operating temperature: 50° to 95° F (10° to 35° C)

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Storage temperature: –40° to 116° F (–40° to 47° C)

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Relative humidity: 5% to 95% (noncondensing)

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Maximum altitude: 10,000 feet (3048 meters)