QUANTA COMPUTER Quanta S99K-3 1U DP Server. Supports Intel 5500 (Nehalem) / 5600 (Westmere) processors Intel 5500/ ICH10R chipset, 18 DDR-3/1333 R-DIMM slots, 1 PCI-e x 16 slolt + 1 mezz slot for SAS-II + 1 mezz slot for 10Gb, 650W power supply; direct upgradable to redundant - 4 3.5 Hot Swap HDD (Catalog Category: Computers and Portables / Server)