Key Features 1. Dual Intel® 64-bit Xeon® Support, 1333 / 1066 MHz FSB 2. Up to 16GB DDR2 667 & 533 SDRAM Fully Buffered DIMM (FB-DIMM) 3. 1x 64-bit 133/100MHz PCI-X Slot 4. Intel® (ESB2/Gilgal) 82563EB Dual-port Gigabit Ethernet Controller 5. 2x 3.5" Internal Drive Bays 6. ATI ES1000 Graphics with 16MB video memory 7. 280W High-efficiency Power Supply