How to install an mSATA hard drive/SSD in a Thinkpad T420 - YouTube
It's well past time to introduce you guys to my ThinkPad T420. i7-2630QM, 8GB RAM, she's a beast. Plan to put a 128GB mSATA and 7200RPM 1TB HDD in her before school
Notebooks - What's this slot on T420 | bit-tech.net Forums
Lenovo ThinkPad T520 Review: First Thoughts - StorageReview.com