Built with the latest trusted technology for business PCs to help deliver the critical features your organization requires and support a broad range of functions as well as future technology expansion FORM FACTOR: Small Form Factor (SFF) CPU: Intel Core 2 Duo E6750 2.6GHz, 1333Mhz FSB, 4M L2 cache Chipset : Intel Q33 Express chipset Memory : 1GB (2x 512MB) PC2-6400 DDR2-800MHz , 4 DIMM's(Max upto 4GB) HDD : 160GB 7,200 rpm SATA 3.0Gb/s NCQ SMART IV Operating System : Windows Vista Business Optical Drive : 16x DVD+/-RW SATA SuperMulti LightScribe drive Graphics : Intg Intel Graphics Media Accelerator 3100 Audio : Intg High Definition 4-channel audio Network : Intg Intel 82566DM Gigabit Ntwk Connection Ports : 8 USB 2.0 (2 Front, 6 Rear), 1 VGA, 1 serial ,2 PS/2, front Jacks : Headphone , Microphone, RJ-45 Expansion Slots : Low-profile: 1 PCI, 2 PCIe x1 & 1 PCIe x16 Expansion Bays : Internal: 1x 3.5" , External: 1x 5.25", 1x 3.5" Dimensions (H/W/D) : 100.3 x 337.8 x 378.46 mm Weight : 8.10 kg