SNANSHI Super Slim External Slot in DVD RW Enclosure USB 3.0 Caddy Case 9.5mm 12.7mm SATA Optical Drive For laptop Macbook External 9.5mm/12.7mm SATA to USB Case is Just a CASE,NO OPTICAL DRIVE (CD/DVD DRIVE) INSIDE. Fit All SLOT IN SATA Laptop Drive (CD-Rom, CD-RW, CD Combo, DVD-Rom, DVD RW +/- ) Light weight and small in size, easy to install, durable and long lasting Suitable for Any PC, Laptop, Netbook with USB port.(USB 3.0, fully backward compatible with USB 2.0 and USB1.1 ) Compatible with sata interface 9.5mm or 12.7mm thickness Slot in drive