Mediasonic HFR2-SU3S2FW ProRaid 4 Bay External Hard Drive Enclosure with USB 3.0, eSATA, and Firewire Aluminum Construction for Efficient Heat Dissipation 3.5" SATA 4 Bay HDD Enclosure with RAID 0/1/3/5/10 USB 3.0 / eSATA / Firewire 400/800 Hardware Raid controller built-in on board Supports up to 3TB HDD, SATA I/II/III