This media card adapter actually works for the T420 as well. Readers are prone to failure from frequent use. After several tries, my old media card adapter wouldn't work. I tried cleaning, reloading the driver, and removing and reinstalling in succession (to maybe clean out the contacts), all to no avail. I replaced the defective reader, and it worked on the first try. Sometimes replacement is the only solution and this part worked very well.
Verified purchase: Yes | Condition: Pre-owned
EASY to install and use
Verified purchase: Yes | Condition: Pre-owned
A great Spare for restoring Lenovo Think Pads.
Verified purchase: Yes | Condition: Pre-owned
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