Specifications

ComponentIntel Xeon (based on Core microarchitecture)Intel Xeon (based on Nehalem microarchitecture)Intel Xeon (based on Nehalem microarchitecture and Westmere microarchitecture)
ModelMid 2006[28]Early 2008[29]Early 2009[30]Mid 2010[31]
Release dateAugust 7, 2006
April 4, 2007 Optional 3.0 GHz Quad-core Xeon "Clovertown"
January 8, 2008March 3, 2009
December 4, 2009 Optional 3.33 GHz Quad-core Xeon "Bloomfield"
August 9, 2010
Model NumbersMA356*/AMA970*/AMB871*/A MB535*/AMC560*/A MC250*/A MC561*/A
Machine ModelMacPro1,1
MacPro2,1 Optional 3.0 GHz Quad-core Xeon "Clovertown"
MacPro3,1MacPro4,1MacPro5,1
EFI ModeEFI32EFI64
Kernel Default Mode32-bit32-bit in Mac OS X (client), 64-bit in Mac OS X Server64-bit
ChipsetIntel 5000XIntel 5400Intel X58
System busFront-side busQuickPath Interconnect
1333 MHz1600 MHz4.8 GT/s(Quad-core models only) or 6.4 GT/s4.8 GT/s (Quad-core models only), 5.86 GT/s(8-core models only) or 6.4 GT/s
Graphics
Expandable to four graphics cards
nVidia GeForce 7300 GT with 256 MB of GDDR3 SDRAM (single-link and dual-link DVI ports)
Optional ATI Radeon X1900 XT with 512 MB GDDR3 SDRAM (two dual-link DVI ports) or nVidia Quadro FX 4500 with 512 MB GDDR3 SDRAM (stereo 3D and two dual-link DVI ports)
ATI Radeon HD 2600 XT with 256 MB of GDDR3 SDRAM (two dual-link DVI ports)
Optional nVidia GeForce 8800 GT with 512 MB GDDR3 SDRAM (two dual-link DVI ports) or nVidia Quadro FX 5600 1.5 GB (stereo 3D, two dual-link DVI ports)
nVidia GeForce GT 120 with 512 MB of GDDR3 SDRAM (one mini-DisplayPort and one dual-link DVI port)
Optional ATI Radeon HD 4870 with 512 MB of GDDR5 SDRAM (one Mini DisplayPort and one dual-link DVI port)
ATI Radeon HD 5770 with 1 GB of GDDR5 memory (two Mini DisplayPorts and one dual-link DVI port)
Optional ATI Radeon HD 5870 with 1 GB of GDDR5 memory (two Mini DisplayPorts and one dual-link DVI port)
Hard drive
7200-rpm unless specified
250 GB Serial ATA with 8 MB cache
Optional 500 GB with 8 MB cache or 750 GB with 16 MB cache
320 GB Serial ATA with 8 MB cache
Optional 500 GB, 750 GB, or 1 TB Serial ATA with 16 MB cache or 300 GB Serial Attached SCSI, 15,000-rpm with 16 MB cache
640 GB Serial ATA with 16 MB cache
Optional 1 TB or 2 TB Serial ATA drives with 32 MB cache
1 TB Serial ATA with 32 MB cache
Optional 1 TB or 2 TB Serial ATA drives with 32 MB cache or 512 GBSolid State Drives
ProcessorTwo 2.66 GHz (5150) Dual-core Intel Xeon "Woodcrest"
Optional 2.0 GHz (5130), 2.66 GHz or 3.0 GHz (5160) Dual-core or 3.0 GHz (X5365) Quad-core Intel Xeon "Clovertown"
Two 2.8 GHz (E5462) Quad-Core Intel Xeon "Harpertown"
Optional two 3.0 GHz (E5472) or 3.2 GHz (X5482) Quad-core processors or one 2.8 GHz (E5462) Quad-core processor
One 2.66 GHz (W3520) Quad-Core Intel Xeon "Bloomfield" or two 2.26 GHz (E5520) Quad-core Intel Xeon "Gainstown" with 8 MB of L3 cache
Optional 2.93 GHz (W3540) or 3.33 GHz (W3580) Intel Xeon Quad-core Intel Xeon "Bloomfield" processors or two 2.66 GHz (X5550) or 2.93 GHz (X5570) Quad-core Intel Xeon "Gainstown" processors
One 2.8 GHz Quad-Core "Bloomfield" Intel Xeon (W3530) processor with 8 MB of L3 cache or two 2.4 GHz Quad-Core "Gulftown" Intel Xeon (E5620) processors with 12 MB of L3 cache or two 2.66 GHz 6-core "Gulftown" Intel Xeon (X5650) processors with 12 MB of L3 cache
Optional 3.2 GHz Quad-Core "Bloomfield" (W3565) or 3.33 GHz 6-core "Gulftown" (W3680) Intel Xeon processors or two 2.93 GHz 6-core (X5670) Intel Xeon "Gulftown" processors
Memory1 GB (two 512 MB) of 667 MHz DDR2ECC fully buffered DIMM
Expandable to 16 GB (Apple), 32 GB (Actual)
2 GB (two 1 GB) of 800 MHz DDR2ECC fully buffered DIMM
Expandable to 32 GB
3 GB (three 1 GB) for UP quad-core or 6 GB (six 1 GB) for DP 8-core of 1066 MHz DDR3 ECC DIMM
Expandable to 16 GB on Quad-core models (although expandable to 32GB using 3rd party 4x8GB DIMMS), and 32 GB in 8-core models
3 GB (three 1 GB) for quad- and 6-core models or 6 GB (six 1 GB) for 8- and 12-core models
Expandable to 16 GB on Quad-core models (although expandable to 32GB using 3rd party 4x8GB DIMMS), and 64 GB in 8- and 12-core models
AirPort ExtremeOptional 802.11a/b/g and draft-n (n disabled by default)Optional 802.11a/b/g and draft-n (n-enabled)Built-in 802.11a/b/g/n
Optical drive16× SuperDrive with double-layer support (DVD±R DL/DVD±RW/CD-RW)18× SuperDrive with double-layer support (DVD±R DL/DVD±RW/CD-RW)

[edit]Mac Pro Server

On November 5, 2010, Apple introduced the Mac Pro Server, which officially replaces the Xserve line of Apple servers as of January 31, 2011. The Mac Pro Server comes with an unlimited Mac OS X Server license and an Intel 2.8 GHz Quad-Core processor, with 8GB of DDR3 RAM.[6]