ATTO ExpressSAS R608 ESAS-R608-000 PCI-Express 2.0 x8 Low Profile SATA / SAS 8-Port 6Gb/s RAID Adapter Internal Connectors: 2 x SFF-8087 mini-SAS Transfer Rate: Up to 6Gb/s RAID: RAID 0/1/4/5/6/10/40/50/60 JBOD DVRAID Cache Memory: 512MB ECC Dimensions: Length 6.600, Height 2.713 Operating Systems Supported: Windows Server 2003, 2008, Windows XP, Vista, 7 SUSE Linux, Red Hat Linux Mac OS X 10.4.x - 10.7.x Parts: 3 Year Labor: 3 Year