To give a new look to your iMac 27 "At the end of 2009, what could be better than a new SSD! This 2.5" Plextor M5Pro Xtreme 256 Go SSD + adapter is ideal. It will bring the boost that your device lacks, the ignition and the management of the software will be much faster. With TrueSpeed technology, you will back up your data as fast as light! Without forgetting the fact that it saves, but it encrypts the data at the same time.