Turn your 3.5in SATA hard drive into a rugged hot-swap storage solution for a 5.25in bay 3.5in SATA mobile rack Hard drive mobile rack HDD mobile rack drawer fits a single SATA drive into a front accessible 5.25'' bay Removable hard drive bay Key lockable drive caddy Supports SATA I/II/III (up to 6 Gbps) Mobile rack drawer with cooling fan Heavy duty aluminum construction for drive caddy and bay Fully compatible with RAID installations Dust resistant door on bay unit