HighPoint RocketRAID 644LS PCI-Express 2.0 x4 Low Profile SATA III (6.0Gb/s) 2nd generation RAID Controller Card External Connectors: 1 x SFF-8088 mini-SAS Transfer Rate: Up to 6Gb/s RAID: RAID 0/1/5/10 JBOD Dimensions: Board: 3.11 L x 2.68 H Operating Systems Supported: Supports Windows 2012, 2008, 8 & 7, Linux Distributions, FreeBSD, Mac OS X