I own a Lenovo T520. After 3,5 years I decided to upgrade it (500GB HDD full, 8GB RAM almost always used up to 7,5GB).
I was looking at this upgrade guide (http://www.storagereview.com/lenovo_thinkpad_t520_upgrade_guide). I bought this mSATA 250GB disk: http://www.crucial.com/usa/en/ct250mx200ssd3 and installed it into the mSATA WWAN slot.
My questions: I don't see a speed specification for this slot anywhere (the other transfer rate of other SATA is given as 6.0Gbps). I was expecting my mSATA disk to "fly" and it does not. --> Is the mSATA as fast as the SATA? Am I missing something? Should I rather have bought a SATA disk and installed it in place of the optical drive (for greater speed)?
Any information will be welcome. Thanks!