Sans Digital TowerRAID 8 Bay SAS/SATA RAID 6 Storage Tower with RAID Controller, Black (TR8X+BHP) 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 controller allows the offload of RAID calculation to controller card. Supports RAID 0, 1, 1+0, 3, 5, 6, 30, 50, 60 and JBOD with delicate or global spare. Easy to setup Web-browser interface. High Performance delivery over 700MB/s read write performance. Cable-less backplane design supporting the hot-swap of SATA and SAS hard drives with removable trays. Supports plug & play for easy installation.