The Adaptec RAID 3405 is a 4-port controller that supports SATA & SAS drives & next-generation PCIe connectivity. It features Adaptec RAID Code (ARC) with RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50, 60, JBOD, as well as Copyback Hot Spare & Optional Snapshot Backup. With an MD2 low-profile form factor, this card will fit into any server, including high-density rack mount & blade servers.