Sans Digital EliteRAID 2U 8 Bay 6G SATA RAID 5/50/6 PCIe 2.0 x8 Rackmount (ER208PS+BHP) Supports 6G SATA Technology - Supports both latest 6G SATA Drives. High Performance PCIe 2.0 x8 RAID controller card - Package includes a PCIe 2.0 x8 RAID controller, supporting up to RAID 50. Staggering Spin-Up - Built-in staggering spin-up for hard drives during power up, thus extending the life / duty cycle of the hard drives and power supply. All Hardware Included - Bundled with the 6G SATA RAID controller, Mini-SAS cable, cooling fan, tray modules, and built-in mounting rail.