NEW Fenvi 2nd Hard Disk Drive HDD Caddy for IBM Lenovo Thinkpad T420 W520 T520 Dv30
This Caddy adapter accept 2.5"/12.7MM  SATA  HDD only.This is the new type , special design, and high quanlity Caddy.Features:Supports Hot swapping, Plug & Play,Like a primary HDD, Fast & Reliable connectionNo cables/PSU/software driver neededInstallation : Remove CD-ROM drive and plug the Adapter (Plus hard drive) in slot.Compatible with:ThinkPad T420 T420i T510 W510 T520 W520Package Includes:1x HDD Caddy4x Screws