Kingwin Multi-Bay Internal Rack, 3 Drives for 2 Bay Space for SATA Components Other KF-3002-BK 3.5" Internal hot swap rack raid-3 bay Easy transport and secure valuable data Supports hot swap LED indicator One 80 x 80 x 20 mm rear fan Patent NSS (Non-Scratch SATA connector) Supports SATA III (6.0 Gb/s) Key lock system for added security