Icy Dock 3x 3.5" SATA backplane

User-friendly design with no screws: just plug in your hard drive and go. Holds up to three 3.5" (8.9cm) SATA I/II hard drives; full hot swap support. Compact and space-saving (three drives occupy only two 5.25" (13.3cm) bays). Rugged, attractive aluminum enclosure provides excellent heat dissipation. Removable, easy-to-replace 80mm ball-bearing cooling fan at the rear. Multiple drive replacement and maintenance capabilities. Sophisticated, integrated drive monitoring system with visual and audible signaling. Easy installation, no driver required.