Broadcom HBA 9500-16i Tri-Mode Storage Adapter - 12Gb/s SAS, Serial ATA/600 - PCI Express 4.0 x8 - Plug-in Card - RAID Supported - Two x8 SFF-8654 - 16 Total SAS Port(s) - 16 SAS Port(s) Internal - PC, Linux - Windows, VMware ESXi, Red Hat Enterprise Linux, SUSE Linux, Ubuntu Linux, Citrix XenServer, Debian Linux, Fedora, FreeBSD OS, CentOS, Oracle Enterprise Linux, ... Supported Operating System: