MA970LL/A APPLE Mac Pro Early 2008 Quad Core intel Xeon 2.8GHz

This product includes:Mac Pro "Quad Core" 2.8 GHz intel Xeon (Early 2008).Processor Speed:2.8 GHz .Processor Type: One 2.8GHz Quad-Core Intel Xeon 5400 series processor.Memory installed.4GB.(32GB Max).RAM Technology: 800MHz DDR2 ECC fully buffered DIMM (FB-DIMM) .Hard drive: 320 GB SATA (7200 RPM).16x SuperDrive with double-layer support (DVD±R DL/DVD±RW/CD-RW).Video card:ATI Radeon HD 2600 XT with 256MB GDDR3 VRAM.Video Output / Interface Type: 2-dual-link DVI out.8X DL "SuperDrive".USB Ports:5 (2.0). Firewire Ports: 2 (400), 2 (800).Operating System: OS X 10.8 .This model has two PCIe x4 expansion slots and two PCIe 2.0 x16 expansion slots(one PCIe 2.0 x16 slot is occupied by the graphics card).Power cord,Keyboard and mouse included.Pre owned.fully tested.90 days usedmac warranty