On the make of my SSD, it is a Sandisk Extreme 240gb SSD - model SDSSDX240GG25 (I think this is identical to yours other than mine is 240gb vs yours being 120gb). I also have the latest R211 firmware. SATA transfer rate is 6GB/s, so it seems, according to Intel Rapid Storage Technology, everything is configured to perform at the optimum level.