A versatile 4U rack/tower server system features the Thunder n4250QE (S4985) platform. Fully supports (4) Dual-Core & Quad-Core AMD Opteron processors, it' s equipped with an 1140W (2+1) redundant power supply for system’s reliability and data security. The Transport FT48 B4985 also offers an upgrade kit to convert (3) 5.25’ HDD bays to (4) 3.5 HDD bays, to a total of (8) hot-swap SATA2 HDD bays for server scalability. Specifications Motherboard • TYAN Thunder n4250QE S4985-E • SSI MEB footprint (13”x 16”) Processor • Quad 1207-pin socket • Supports up to 4 x AMD® OpteronTM Rev. F 8000 series • Dual Core/ Quad Core processors • Up to 1.0GHz Hyper-Transport link support • AMD Dual Dynamic Power Management(Split Power Plane) support Chipset • nVIDIA nForce Professional 2200 (CK804pro) • nVIDIA nForce Professional 2050 (IO4) • Winbond W83627HF Super I/O Up to 64GB reg. • ADT7476 Hardware Monitoring IC Memory • 128-bit Dual channel memory bus • (32x) 240-pin DDR2 DIMM slots • Support memory speeds of 400/533/677 MHz • Supports up to 128/256GB of Reg/ECC DDR2 memory • Supports Single, Dual and Quad Rank memory Expansion Slots • Two (2) x16 PCI-E (x16 signal) • Two (2) x16 PCI-E (x4 signal) • One (1) PCI 32bit/33MHz slot • Total 5 usable expansion slots Back I/O Ports • Stacked PS/2 Mouse & Keyboard ports • Stacked two USB2.0 ports • One 9-pin COM port • One 15-pin VGA port • Stacked two RJ45 10/100/1000 Base-T port • One RJ45 10/100/1000 Base-T port Integrated Video Controller • XGI Volari Z7™ (XG20) PCI graphics controller • 16MB Frame Buffer of video memory Integrated LAN Controllers • Total three (3) Gigabit Ethernet ports - Two (2) from Marvel 88E1111GbE PHY - One (1) from Intel 82541PI GbE LAN controller Integrated Storage Controller • Four(4) dual-port SATA controllers (two from CK804pro and two from IO4) • Supports eight (8) SATA2 ports for up to eight drives at 3.0Gb/s Enclosure • Industry 19"rack-mountable 4U & Pedestal convertible chassis • Storage bay - (8) 3.5” HDD bays - (3) 5.25” Drive bay • Dimension: 27.5 x W16.8 x H6.9 inch (D700 x W427 x H176mm)