SpecificationsProcessor / System Bus 2 x Socket 1366 Quad-Core Intel® Xeon® X5500 Series (95W) Quad-Core Intel® Xeon® E5500 Series (80W) Quad-Core Intel® Xeon® L5500 Series (60W/38W) Quad Core/Dual Core QPI 4.8 /5.86 /6.4 GT/s Core Logic Intel® 5500 IOH Intel® ICH10R I/O Controller Memory Total Slots: 12 (3-channel per CPU, 6-DIMM per CPU) Capacity: Maximum up to 96GB (RDIMM); Maximum up to 48GB (UDIMM) Memory Type: DDR3 1066/1333 Reg DIMM/ Unbuffered DIMM with ECC Memory Size: 1GB 2GB 4GB 8GB* (RDIMM); 1GB 2GB 4GB (UDIMM) Expansion Slots Total Slots: 3 Slot Type: Default: 2 * PCI-E x8 (x8 link)(Full-Height/Full-Length) 1 * PCI-E x4 (x4link)(Full-Height/Half-Length) Addditional Slot 1: 1 * PIKE Slot for Stroage Enhancement Storage SATA Controller: Intel® ICH10R: 6 SATA2 300MB/s ports Intel Matrix Storage (for Windows only) (Support software RAID 0, 1, 10 & 5) LSI® MegaRAID (for Linux/Windows) (Support software RAID 0, 1, 10) SAS Controller: Optional: ASUS PIKE 1068E 8-port SAS RAID card Asus PIKE 1078 8-port SAS HW RAID card HDD Bays 8 x Hot-swap 3.5" HDD Bay (Default support up to 4*SATA2 3.5" HDDs. For 5~8*SATA2/SAS 3.5”HDDs support, ASUS PIKE RAID card is required.) Networking LAN: 2 * Intel 82574L + 1 * Mgmt LAN Graphic VGA: Aspeed AST2050 8MB Auxiliary Storage 1 x Slim-type Optical Device Bay (Options: No Device / DVD-RW ) On Board I/O 1 x External Serial Port 3 x RJ-45 ports 4 x USB2.0 ports (Front * 2, Rear * 2) 1 x VGA port 1 x PS/2 Keyboard port 1 x PS/2 Mouse port OS Support Windows® Server 2008 Enterprise 32/64-bit Windows® Server 2003 Enterprise R2 SP2 32/64-bit RedHat® Enterprise Linux AS5.0 (32/64 bit) SuSE® Linux Enterprise Server 10 (32/64 bit) (Subject to change without any notice) Anti-virus Software Optional Anti-Virus CD Pack Management Solution Software: ASWM2.0 Out of Band Remote Management: Optional ASMB4-iKVM for KVM-over-IP support Safety US/Canada (UL1950-CSA950) Europe (CE, EN55022 compliance to EU Directive 89/366/EEC) Europe (TUV) EMI US (FCC, CFR47 Part 15, Class A) Europe (CE, EN55022 & EN55024) Australia (C-TICK) Taiwan (BSMI) China (CCC) Dimensions without Packing 87 mm (H) x 444 mm (W) x 615 mm (D) Net Weight Kg (CPU, DRAM and HDD not included) 22 Kg Power Supply 770W Redundant Power Supply (80+) (1+1, default with one Power Supply Module) Environment Operation temperature: 10? ~ 35? / Non operation temperature: -40? ~ 70? Non operation humidity: 20% ~ 90% (Non condensing) Accessories 1 x Users Guide 1 x ASUS ASWM2.0 Users Guide 1 x Support CD 1 x Bag of Screws 1 x AC Power Cable 1 x Semi-Ball Bearing Rail Kit Optional Items Second Redundant Power Supply Module CPU Heatsink Slim-type Optical Device CA eTrust Anti-virus Software CD