Quasi system (not including memory, CPU & hard disk). Motherboard support 5500/5600 CPU series. 6 hard-disk locations. Support SAS, SATA & SSD,the maximum support for 12 Terabytes. 18 PCs of DDR3 ECC memory slots. the maximum support for 288GB. Original SAS 6I array CARDS, Support RAID01,5,6,10.etc., the motherboard support virtualization, can do VPS, cloud server, VM system and so on. 3 PCI-E X8 slots can be integrated on the motherboard.