Motherboard:
  Thunder K8QW (S4881G2NR)

Processor
 • Quad PGA 940-pin ZIF sockets
 • Up to four AMD Opteron™ 800 series processors
 • Integrated 128-bit DDR Memory Controller

System Memory
 • Sixteen 184-pin 2.5V DDR DIMM sockets (4/CPU)
 • Support up to 64GB DDR 400/333/266 registered
     ECC type memory modules

Expansion Slots
 • Two PCI-E x16 slots; one with x4 signal
 • One 64-bit 133 MHz (3.3V) PCI-X slot
 • Two 64-bit 100 MHz (3.3V) PCI-X slots
 • Supports total of (5) low profile cards

Server Management
 • Automatic System FAN speed control
 • Tyan Server Management support
 • Tyan SMDC, IPMI v1.5 compliant
     remote server management kit (optional)

Integrated LAN Controller
 • Two GbE ports (Broadcom BCM5704C
     dual-channel GbE LAN controller connected
     to PCI-X bridge), with teaming feature support

Integrated PCI Graphics
 • ATI® RAGE™ XL PCI graphics controller
 • 8MB Frame Buffer of video memory

BIOS
 • Phoenix BIOS with 8Mbit LPC Flash ROM
 • ACPI 2.0; Serial Console Redirect
 • USB device boot support

External I/O port
 • Two USB v2.0 connectors in rear panel
 • Two USB v2.0 connectors in front panel
 • One 9-pin serial port
 • One 15-pin VGA port
 • One RJ-45 LAN port
 • One PS/2 mouse and keyboard ports

 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Chassis

Enclosure
 • Industry standard, 19-inch rack mountable, 2U
 • Dimension: 17.25" (W) x 28" (D) x 3.5" (H)
 • Dimension (mm): 435 (W) x 713 (D) x 88 (H)
 • Operating temperature: 5~35°C

Power Supply
 • EPS 12V, 850W power supply with PFC
 • AC input (Voltage): 90~264 VAC full range

Device Bay
 • Two 1" HDD internal bays
 • One Slim Optical Bay (pre-install DVD-ROM)
 • One Slim FDD interface (optional)

System Cooling
 • AMD Opteron™ optimal CPU cooler (x4)
 • 80 x 38 mm DC Fan with auto Fan control (x4)

Regulatory
 • FCC Class B (Declaration of Conformity)
 • CE (Declaration of Conformity)