Silverstone Tek External Slim Optical Drive Enclosure with 2.5-Inch SSD/HDD Conversion Tray (TS06W) Enclosure built-in retractable USB 2.0 cable Interchangeable optical drive slot to 2.5-Inch SATA SSD or HDD Compatible with 12.7mm slimline SATA optical drive Improve laptop performance and capacity with extra hard drive