Most Powerful 1U 1P Quad-Core Server Rack-optimized 1U RS120-E4/PA4 is ideal for ISP (Internet Service Provider), IDC (Data Center) & Telcom application that requires high density working environment; it is able to provide Quad-Core performance with single processor, suitable for High Performance Computing & Cluster market. Shop Modal header Most Powerful 1U 1P Quad-Core Server Outstanding Computing CapabilityRS120-E4/PA4 is able to provide Quad-Core performance with single processor, suitable for High Performance Computing & Cluster market. Space-saving 1U RackRack-optimized 1U RS120-E4/PA4 is ideal for ISP (Internet Service Provider), IDC (Data Center) & Telcom application that requires high density working environment. Flexibility of Expansion ChoicesRS120-E4/PA4 supports PCI-X and PCI-Express expansion interface in full-height form factor, which protects customers´ current and future IT investment. Reliable Data ProtectionRS120-E4/PA4 supports four HDD bays in 1U form factor. The embedded SW RAID function offers the basic data protection for Windows and Linux OS. In addition, the hot-swappable HDD bay design allows HDD upgrade and replacement without turning off the system. Professional & User-friendly Server ManageabilityASWM 2.0 (ASUS Server Web-based Management) & optional ASMB3-SOL module help IT people manage the systems efficiently. With the user-friendly web-based interface, central & remote management via Internet browsers successfully reduces the TCO; and the real-time system notification through Smart Phone SMS system increases the system availability via pro-active event handling. Available Serviceability The system is easy to access and upgrade with hot-swap HDD bay and tool-less design of the system, users therefore don´t need to open chassis for HDD upgrade and system maintenance. RS120-E4/PA4 Specifications Processor 1 * Intel® Core™ 2 Duo processors or Dual-Core/ Quad-Core Intel® Xeon® processor 3000/3200 sequence Chipset Intel® 3000MCHIntel® ICH7RIntel® 6702 PXH Memory 4 * DDR2 533/ 667 ECC Unbuffered DIMMs, max. up to 8GB Expansion 1 * 64-bit/133MHz PCI-X (full-height /half-length)1 * PCI-E x8 (full-height /half-length) On-Board Chip 2 * Broadcom® BCM5721 PCI-E GbE LAN System Dimension 600mm (L) * 444mm (W) * 43.6mm (H)