This hard disk drive adapter gives you maximum storage

Designed for laptop CD DVD-ROM optical bay drive slot 

It enables you to add a second notebook hard disk drive to any modular bay

9.5 mm thick Combo/SuperDrive with 13pin Slimline SATA interface

HDD interface: 22pin SATA 

Laptop/mother board interface: 13pin SATA

Size: 127 x 126 x 9.5mm