HPE - Certified Genuine Parts Smart Array P240nr SAS Controller - 12Gb/s SAS, Serial ATA/600 - PCI Express 3.0 x8 - Plug-in Card - RAID Supported - 0, 1, 5, 6, 10, 50, 60, 10 ADM RAID Level - 4-ports internal SAS - 4 Total SAS Port(s) - 4 SAS Port(s) Internal - Linux - 1 GB Flash Backed Cache - Windows Server, Hyper-V, Red Hat Enterprise Linux, SuSE Linux Enterprise Server, Oracle Linux, CentOS, Citrix XenServer, Solaris, Ubuntu Linux Supported Operating System: