Since the review of all sites are largely positive, including the manufacturer's forum, I decided.
Now after one month of operation, I welcome it.
Not only the boot Seven, with lots of gadgets (essential ...) but also some pretty intensive software (photoshop, visual studio, solid works, ...) embark and run by eye 10 times faster.
ReadyCache Conceivably them all in his squatés 32G.
Both the Windows ReadyBoost was never convinced me (DIY).
As much this ReadyCache Sandisk is OUTSTANDING (professional).