ICY DOCK Quad Bay 2.5&rdquo; 3.5&rdquo; SATA HDD/SSD USB 3.0/eSATA External JBOD Hard Drive Enclosure - White - ICYCube MB561U3S-4S R1 Plug and play installation, no drivers required SuperSpeed USB 3.0 with UASP Support. Backward compatible with USB 2.0 interface eSATA connection with up to 6Gbps transfer speed (port-multiplier host required to access all four drives) New EZ-Tray system supporting both 2.5 and 3.5 SATA HDD/SSD of all heights Adjustable cooling fan with 3 speed settings (low, high, and auto)