I bought a Hyper X 3k 120GB SSD, and it is getting barely half the advertised speeds (555MBs/510MBs). Yes it's plugged in to SATA III. I don't know what is wrong, or maybe I'm just forgetting something stupid. Anyways, here is a link to the ATTO Benchmark: http://i.imgur.com/pBx7xk6.png