2.5 Inch PC SSD HDD Cage Bracket Solid State Drive Frame Multi Layer Box Stacking External Cabinet Docking Station Base Support SATA. Made of magnesium aluminum alloy material with anodizing process surface treatment. Supports SATA and PATA port, fits 2.5 inch hard drives (SSD and HDD). Perfectly fitting with the optical drive bay, accurately locating the site of case, hard drive and screw hole, easily expanding storage capacity. Hollow design and open installation provide good heat dissipation for hard drive, protect hard drive and prolong hard drive's useful life.