Atto ExpressSAS H608. Host interface: PCIe, Output interface: SATA II, Connector(s): Mini SAS. Data transfer rate: 6000 Mbit/s. Certification: FCC Part 15, Subpart B, Class B EN55022: 2006, Class B EN55024: 1998A + A1: 2001 & A2: 2003. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -40 - 70 °C, Operating relative humidity range: 5 - 95 %. Connectivity technology: Wired, Compatible operating systems: Windows Server 2003, 2008, XP, Vista, 7 Mac OS X (10.4.x - 10.6.x) Linux (Red Hat & SuSE)