- High performance transfer rate up to 6.0 Gb/s - Two 2.5" hotswappable and trayless drive bays with key lock - Supports SATA I/II/III 6.0 Gb/s hard drive - Supports slim optical disc drive - Constructed with metal body, plastic ABS front panel, and metal latch for heavy use - Support 2.5" HDD thickness from 7 to 12.5mm