ICY dock MB123SK-1B 3.5" inch SATA I/II/III mobile rack removable hard drive kit (Black). device holds single 3.5" SATA drive and fits any standard 5.25" device bay. Removable tray system and hot swap capability offers convenient solution for multi-drive exchangeability & maintenance. Rear warm Air outtake fan ensures an optimal cooling environment. Safeguard key lock function keeps data secure within the enclosure. Aluminum body construction provides superior heat dissipation. Stylish front panel design embellished systems exterior appearance. Compact size version for limited depth integration. Structure: aluminum body w/partial plastic. Drive fit: single 3.5" SATA 1.5/3/6 GB/s hard drive. Device fit: single 5.25" half height device bay. Host interface: 7pin SATA port. Power input: 15pin SATA power or 4pin Molex power. Transfer rate: up to 6 GB/s (depending on hard drive speed). insert & extract connection via: direct SATA hard drive connection. Drive cooling: aluminum heat Dispersion w/1X rear outtake fan.