I have a Lenovo Thinkpad T410 with 8GB of RAM to 1600ghz Hiperx Kingstong brand, model SX900 Adata SSD to 250GB, Intel Core i5 vPro to 2.4ghz. My hard drive failure so I decided to install Ubuntu 12.04 on a SSD, I found several pages Trim activate it so turn it on cops algunoas ovasines my computer is in the application of disk sectors appears counters uncorrectable EEC 861, yet the disk appears healthy. Note: you only have a few weeks to buy it.
Make sure you're not suffering from a faulty SSD drive that is an issue with Thinkpads T4XX
if "sudo hdparm -I /dev/sda " shows SSDSC2BW180A3L
than you may want to look here: http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/T430s-Intel-SSD-520-180GB-issue/td-p/888083/page/4