Atto ExpressSAS H308. Host interface: PCIe, Output interface: SATA II, Connector(s): Mini SAS. Data transfer rate: 3000 Mbit/s. Power consumption (typical): 10 W. Certification: FCC Rules, Part 15, Class B CE Mark: CISPR 22:2002/EN55022:2002, Class B. 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)