Generic Ultrabay SATA 2nd HD Hard Drive Caddy Tray Lenovo ThinkPad T420 T420i T510 W510 T520 W520

This Caddy adapter accept 2.5' 12.7MM SATA HDD only.
This is the new type , special design, and high quanlity Caddy!
Supports Hot swapping, Plug & Play, Like a primary HDD, Fast & Reliable connection
No cables/PSU/software driver needed Installation : Remove CD-ROM drive and plug the Adapter (Plus hard drive) in slot.

Compatible with:
ThinkPad T420 T420i T510 W510 T520 W520

Package Includes:
1 * 2nd SATA Hard Drive caddy Adapter
4 * screws for install HDD
(Note: Not included Hard drive)