Processor / System Bus 1 x Socket 1156 Quad Core Intel Xeon 3400 series Server Processor Quad Core Intel Core i7-800 series Desktop Processor? Quad Core Intel Core i5-700 series Desktop Processor? Dual Core Clarkdale CPU design Ready ? Quad Core/Dual Core Core Logic Intel® 3420 PCH ASUS Features ASWM2.0 Memory Total Slots: 4 Capacity: Maximum up to 16GB (UDIMM) Memory Type: DDR3 1066/1333 Unbuffered DIMM with ECC Memory Size: 1GB 2GB 4GB (UDIMM) Expansion Slots Total Slots: 6 Slot Type: 1x PCI-E G2 x16 slot (x16 link) 1x PCI-E G1 x 8 slot (x4 link) 1x PCI-E G1 x1 slot ( x1 link) 3 x PCI 32/33 5V Addditional Slot 1: 1* MIO Slot for Audio Storage SATA Controller: Intel® 3420: 4 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) HDD Bays 4 x Internal 3.5 Networking LAN: 2 * Marvell 8056 PCI-E GbE LAN Graphic VGA: XGI® Z9s DDR2 64MB Auxiliary Storage 3 x 5.25" media bays (Default:1*DVD-RW) On Board I/O 1 x External Serial Port 2 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 R2 Enterprise (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 Safety China (CCC) Europe (CE, EN55022 compliance to EU Directive 89/366/EEC) EMI US (FCC, CFR47 Part 15, Class B) Europe (CE, EN55022 & EN55024) Australia (C-TICK) Taiwan (BSMI) China (CCC) Dimensions without Packing 436.8 mm (H) x 200 mm (W) x 478.8 mm (D) Net Weight Kg (CPU, DRAM and HDD not included) 15 Kg Power Supply 300W Single Power Supply 80 Plus 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 Optional Items CPU Heatsink CA eTrust Anti-virus Software CD Note ? Do not support RDIMM & UDIMM with ECC ?Refer to Asus Server CPU AVL for latest update