How to Install an mSATA SSD Boot Drive in Your Laptop - LAPTOP | Laptop Mag
Worth doing: Thinkpad X220 with an mSATA SSD : r/thinkpad
Notebooks - What's this slot on T420 | bit-tech.net Forums
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
Adding an mSATA SSD to a Thinkpad T420
Bottom view - ThinkPad T420, T420i - Lenovo Support CH