The Most Affordable Tower Server Support EM64T Technology and 64-bit OS High Memory Capacity RAID Options Provide Affordable Extra Data Integrity Protection Dual Server Class Gb LAN ASUS Smart Fan Technology —— Sensitive, Proactive, Smart 650W 1+1 Redundant Power Supply Shop Modal header The Most Affordable Tower Server Support EM64T Technology and 64-bit OSSupport of EM64T technology provides effective and painless way to enjoy 64-bit computing performance, while 64bit OS provides larger memory space and higher performance for mission critical applications High Memory Capacity6 DDR2-400 DIMM slots provide 12GB ECC Registered memory space to meet critical computing demands. More memory slots can meet the need of upgrade with higher scalability & flexibility. RAID Options Provide Affordable Extra Data Integrity Protection Hot swap design reduces maintenance downtime HostRAID provides affordable RAID 0, 1 support PCI-X ZCR provides cost effective hardware RAID 5 upgrade Dual Server Class Gb LAN It is equipped with the most available/professional Gb LAN server network connection Teaming and failover function ensures higher bandwidth aggregation and reliable network connection ASUS Smart Fan Technology —— Sensitive, Proactive, SmartKeep users in much quieter working environment 650W 1+1 Redundant Power SupplyEnsures higher system reliability, lowers system downtime caused by PSU Module failure Key Spec: Processor Dual FSB 800MHz Intel® Xeon Processor with EM64T, 2M L2 Cache Chipset Intel® E7320 + 6300ESB IO Hub Memory ECC Registered DDR2-400 DIMM x6, maximum up to 12GB Expansion 2 x 32-bit/33MHz PCI slots2 x 64-bit/66MHz PIC-X slots1 x PCI-Express x8 slot (x4 Link) On-board Chip Broadcom® BCM5721 PCI-Express x 1 Gigabit EthernetBroadcom® BCM5705E PCI Gigabit Ethernet Board Size 12'' x 10.5''