Atto ExpressSAS R60F. Host interface: PCIe, Output interface: SAS, Connector(s): 4x Mini SAS. Power consumption (typical): 18 W. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 10 - 90 %. Colour of product: Green. Platform: PC, Form factor: Low Profile, Compatible operating systems: Windows Server 2003/2008/XP/Vista/7 Linux Mac OS X (10.4.x - 10.6.x)