Compatible With:IBM Lenovo ThinkPad T500 W500. The 2nd Hard Disk Drive Optical bay Caddy / Adapter to bring you new maximum data storage flexibility. With the second HDD/SSD in your Laptop to swap optical drive, You can speed to backup important applications and critical data ( Simply remove your CD-ROM drive and put the Caddy (with the added hard drive) in its place;. ).
eBay