Avago 9300-4i Sas Controller - 12Gb/s SAS, Serial ATA - PCI Express 3.0 x8 - Low-profile - Plug-in Card - Mini SAS HD SFF8643 One (x4) - 4 Total SAS Port(s) - 4 SAS Port(s) Internal - PC, SPARC, Linux - Windows, Linux, SUSE Linux, Red Hat Linux, Solaris, FreeBSD OS Supported Operating System: