BROADCOM - IMSOURCING 3ware 9750-8e SAS Controller - Serial ATA/600, 6Gb/s SAS - PCI Express 2.0 x8 - Low-profile - Plug-in Card - RAID Supported - 0, 1, 5, 6, 10, 50, JBOD RAID Level - 2 x SFF-8088 - 8 Total SAS Port(s) - 8 SAS Port(s) External - Mac, PC, Linux - 512 MB Battery Backup: