HP 651281-B21 PCI Express Others QMH2572 8Gb Fibre Channel Host Bus Adapter for BladeSystem c-Class Transfer Rate: 8Gb Part: 651281-B21 Dimensions: 3.9 x 3.5 Operating Systems Supported: Microsoft Windows Server 2008 (x86_64-bit only) R1 with SP2 or higher; VMware 4.1; Red Hat Enterprise Linux 6.0; SLES 10; SLES 11; Solaris 10; Support is also provided for VMware 5.0 and RHEL 5.7. For full list of compatible Operating Systems please visit: http://spock.corp.hp.com Electrical Outlet Plug Type: Plug Type “A� (USA, Canada, Mexico, Japan)