HighPoint Rocket 2720SGL PCI-Express 2.0 x8 Low Profile SATA / SAS Non-RAID Host Adapter Internal Connectors: 2 x SFF-8087 mini-SAS Transfer Rate: Up to 6Gb/s Dimensions: 3.79 x 2.56 Operating Systems Supported: Windows and Linux compatible *Driver support is readily available for all current Microsoft operating systems, as well as major Linux distributions.