2nd SATA HDD Hard Drive Optibay Caddy 12.7mm For Lenovo ThinkPad T420 T510 T520

Applicable model: FOR T420 T430 W series T420 T430 (optical drive thickness is 12.7MM). T510 T510i T520 T520i W510 W520. The clip design refers to the T420S, which is fixed with two screws, which is more stable than the original T420 with one screw.

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