Most Expandable UP Dual-core 1U Server - Leading-Edge Technology & 64-bit OS Ready- Support Advanced DDR2-533/667 ECC Unbuffered Memory- Highly Expandability and Data Security- Equipped with Dual Server Class PCI-Express Gb LAN Shop Modal header Most Expandable UP Dual-core 1U Server Leading-Edge Technology & 64-bit OS Ready Dual Core technology enables immediate CPU performance scale up! Single CPU Provides users with Dual CPU Performance!! 64-bit OS provides larger virtual memory space and higher performance for mission critical applications Support Advanced DDR2-533/667 ECC Unbuffered Memory DDR2-533 has larger bandwidth compared with DDR333 while DDR2 667 gains higher!! ECC function provides basic data protection and saves TCO Highly Expandability and Data Security 4 hot-swap SATA2 is great challenge in the limited space of 1U server 4 SATA2 ports support RAID 0, 1, 0+1 function, which provides reliable and cost-effective data protection for customers Equipped with Dual Server Class PCI-Express Gb LAN PCI-Express Gb LAN provides most available/professional Server network connection Teaming & failover function enables higher bandwidth aggregation and reliable network connectionRS120-E3/PA4 Specification: Processor Intel® Pentium™ 4/ Pentium D Processors (EM64T/ Dual Core ready) Chipset Intel® E7230 + Intel® ICH7R + Intel® 6702 PXH-V Memory non-EC/ECCC DDR2-533/667 DIMMs up to 8GB / 4 DIMMs Expansion 1 * PCI-X 64-bit/133MHz, 1 * PCI-Express x 8 On-board Chip 2 * Broadcom® BCM5721PCI Express Gigabit Ethernet Size 600mm (L) * 444mm (W) * 43.6mm (H)