CPU Most support 4*Intel® XEON™MP processor: X7350 2.93GHz/8MB iL3/1066MHz E7340 2.40GHz/8MB iL3/1066MHz E7330 2.40GHz/6MB iL3/1066MHz E7320 2.13GHz/4MB iL3/1066MHz E7310 1.60GHz/4MB iL3/1066MHz E7220 2.93GHz/8MB iL3/1066MHz E7210 2.40GHz/8MB iL3/1066MHz Chipset Intel® E7300 RAM 24*RAM slot,most support 192GB FBD 533/667 RAM RAM Mistake Detection RAM hot-plug technology and Mirroring technology SAS Controller LSI 1068E Serial-Attached SCSI (SAS) Controller,support RAID 0, 1, 10 (You can choice Powerleader iButton to activate RAID 4 or buy RAID controlling card separately) SATA Controller Intel ESB2 SATAII Controller,support RAID 0, 1, 5, 10 (Windows)；support RAID 0,1,10 (Linux) Graphic Adapter Controller Integrated ATI ES1000 display card ,32MB display memory CD Driver DVD Driver PCI Expansion Slot 2 pieces ofPCI-E X8 slots;1 piece ofPCI-EX4 Slot;1 piece ofPCI 133MHz Slot Hot-plug Hard Disk Bracket provide 6 * 3.5”SAS/SATA hot-plug hard disks,1*.5”SAS/SATA hard disk (not hot-plug)