Sans Digital TowerRAID TR8X+P - 8 Bay 6G SAS/SATA RAID 5 Storage Enclosure with 6G PCIe 2.0 x8 card (Silver) Complete RAID storage solutions, no extra component needed. Supports Eight 3.5-inch 6G SAS or 6G SATA hard disk drives. PCIe 2.0 x8 6G controller allows the offload of RAID calculation to controller card. Supports RAID 0, 1, 1+0, 5 and JBOD with hot spare. Easy to setup Web-browser interface. High Performance delivery over 650MB/s read write performance. Cable-less backplane design supporting the hot-swap of SATA 6G and SAS 6G hard drives with removable trays.