ASUS TS500-E4/PX4 SAS Tower Server. Processor socket: Socket 771, Processor family: Intel, Motherboard chipset: Intel 5000V. Controller interface type: Intel 6321ESB, RAID levels: 0, 1, 1E. Graphic adapter: ES1000, Maximum graphic adapter memory: 32 MB. LAN controller: Intel 82563EB. Bundled software: CA eTrust 7.1 anti-virus, ASWM2.0, Compatible operating systems: - Windows Server 2003 R2 Enterprise (32/64 bit) - RedHat Enterprise Linux AS3.0 (32/64 bit)