11 October 2011

Essentials
Family: Mac Pro
Codename: ?
Gestalt ID: 406
Minimum OS: 10.5.6
Maximum OS: 10.7.2
Introduced: March 2009
Terminated: July 2010

Processor
CPU: Intel Xeon 5500 Series ("Galnestown")
CPU Speed: 2.66 GHz (3500-series "Bloomfield") or 2x2.26 GHz
CPU Cores: 4
FPU: integrated
Bus Speed: see notes
Register Width: 64-bit
Data Bus Width: 64-bit
Address Bus Width: 64-bit
ROM: EFI
RAM Type: PC-8500 DDR3 ECC SDRAM
Minimum RAM Speed: 1066 MHz
Onboard RAM: 0 MB
RAM slots: 4/8
Maximum RAM: 16/32 GB
Level 1 Cache: 32 kB data, 32 kB instruction
Level 2 Cache: 256 kB per-core (1 MB total)
Level 3 Cache: 8 MB on-processor
Expansion Slots: 1 PCI Express 2.0 x16 slot, 2 PCI Express 2.0 x4 slots