Combining ultimate performance with a revolutionary industrial design, the HP Z800 Workstation delivers the extreme speed & massive expandability that you demand to tackle your biggest challenges. Processor Intel Xeon Six-Core Processor X5660 2.80 G Hz, 12MB cache, 1333 M Hz memory Dual Intel 5520 Chipset Memory 6GB 1333 MHz DDR3 ECC Unbuffered RAM 12 x DIMM slot Hard Drive 1TB SATA Optical Drive SATA Super Multi DVD writer Software Operating System: Genuine Windows 7 Professional 64-bit Display Monitor Not Included Graphics No graphic card Audio Integrated High Definition Realtek ALC262 Audio Networking Network interface Integrated Broadcom 5764 TPM 1.2 Controller Power Supply 85PLUS Power Supply 850 or 1110 watts wide-ranging, active Power Factor Correction, direct connection Power Supplies
Dimensions Width 20.35 cm Depth 52.65 cm Height 44.51 cm Weight approx 21kg Interfaces 9 USB (Universal Serial Bus) 2.0 1 audio in 1 audio out 1 headphone out 2 microphone in 1 serial 2 RJ-45 to integrated Gigabit LAN 2 IEEE 1394a Expansion 1 PCI, 1 PCI Express Gen 1 (x 8 mechanically, x 4 electrically), 1 PCI Express Gen 2 (x 8 mechanically, x 4 electrically), 2 PCI Express Gen 2 (x 16 mechanically, x 8 electrically), 2 PCI Express Gen 2 x 16 22-in-1 Media Card Reader 4 internal 3.5" bays 3 external 5.25" bays (up to 4 e SATA, up to 8 SAS) Warranty 3 Year Manufacturer Warranty