9mm Ultrabay SATA HD Hard Drive Caddy Tray Lenovo ThinkPad T420 T520 T420i T510 | eBay
Lenovo ThinkPad Serial ATA Hard Drive Bay Adapter III - Storage bay adapter - Ultrabay Slim - 5.25 Slim Line to 2.5 - for ThinkPad T420; T430; X220 Tablet; X220i Tablet; X230;
12.7mm OEM Lenovo ThinkPad IBM Serial ATA Hard Drive Bay SATA Adapter III caddy | eBay