areca ARC-1213-4I PCI-Express 2.0 x8 Low Profile SATA / SAS 4-Port RAID Controller Internal Connectors: 1 x SFF-8087 mini-SAS Transfer Rate: Up to 6Gb/s RAID: 0, 1, 10, 3, 5, 6, Single Disk or JBOD Cache Memory: 512MB ECC DDR2-800 SDRAM Dimensions: 62(H) x 168(L) mm Operating Systems Supported: Windows 7/2008/Vista/XP/ 2003 Linux FreeBSD VMware Solaris 10/11 x86/x86_64 Mac OS 10.5.x/10.6.x/10.7.x