SpecificationsMfr Part Number: 2244300-R (RAID 5805 ROHS SGL)Cache Memory: 512MB of DDR2 memoryRAID Levels: RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50 and 601.2GHz Dual Core RAID on Chip (ROC)Bus System Interface Type: PCI-Express x8Internal Connectors: 2x internal (SFF-8087) Mini SASData Transfer Rate: 3 Gb/s per portOperating Voltage: 1A @ 3.3VOperating Systems: Windows XP/ Vista/ Server 2003/ Server 2008; Red Hat Enterprise Linux (RHEL) 4.0/ 5.0; SUSE Linux Enterprise Server (SLES) 9.0/ 10.0; SCO OpenServer 6.0; SCO UnixWare 7.1.4; Sun Solaris 10; FreeBSD 5.4/ 6.1/ 6.2; VMware ESX Server 3.0.1/ 3.0.2Regulatory Certification: CE, FCC, UL, C-tick, VCCIForm Factor: MD2 Low-Profile, 2.5 x 6.6 inch / 64 x 167 mmPackage: Bulk