Avago 9300-8e Sas Controller - 12Gb/s SAS, Serial ATA/600 - PCI Express 3.0 x8 - Low-profile - Plug-in Card - Mini SAS HD SFF8644 Two (x4) - 8 Total SAS Port(s) - 8 SAS Port(s) External - PC, SPARC, Linux - Windows, Linux, SUSE Linux, Red Hat Linux, Solaris, FreeBSD OS Supported Operating System: