EKoo Hard Drive Caddy Tray,SATA 2nd HDD caddy for Lenovo ThinkPad T510,T510i,T520,T520i,W510,W520,T420,T420i,R400,R500,W700,W700ds,W701,W701ds,T430,T430i,T430u,T530,T530i,W530 Improve laptop performance and capacity with extra hard drive.Add a 2nd drive to your ThinkPad.With a second hard drive, you can quickly store and back up critical data. Compatible with: 2.5 "SATA I II III generation of whole series of hard disk.7 mm / 9.5 mm / 12.5 mm full thickness measurement, a new scheme using SATA3.0 technology, top speed can reach 6 GBPS, depending on your specific runtime machine drive a standard of the channel on the main board.Hard drive NOT include. Fast & Reliable connection in ThinkPad, just as the primary HDD. Simply remove your CD/DVD-ROM drive and put the Caddy (with the added hard drive) in its place. Fully integrated into ThinkPad laptop, no cables, PSU, software driver needed.