areca ARC-1225-8x PCI-Express 3.0 Low Profile SATA / SAS 4/8-Port PCIe 3.0 External 6Gbps SAS RAID Adapters Internal Connectors: 2 x SFF-8088 Transfer Rate: Up to 6Gb/s RAID: RAID level 0, 1, 10(1E), 3, 5, 6, 30, 50, 60, Single Disk or JBOD Cache Memory: 1GB on-board DDR3-1333 SDRAM with ECC Dimensions: 169.5 x 64.4 mm Operating Systems Supported: Windows 8/Server2012/7/2008/Vista/XP/ 2003 Linux FreeBSD VMware (only driver package available w/o management) Solaris 10/11 x86/x86_64 Mac OS X 10.4 or Higher