Nimitz 2nd HDD SSD Hard Drive Caddy for Lenovo Thinkpad T420 T430 T510 T520 T530 W510 W520 W530 Add a 2nd drive to your laptop by replacing your optical drivegenuine NIMITZ product with 'Nimitz' LOGO Fits in 12.7mm height Ultrabay of your ThinkPad laptop,Fully integrated into ThinkPad laptop, no cables/PSU/software driver needed Compatible:T420 T430 T510 T520 T530 W510 W520 W530 W700 W701 R400 R500 Note: it does not fit 9.5mm-high T420s and T430s Comes with matched Faceplate/Bezel,don't need change original DVD drive. (fit well as picture 6)