In provisions of firmware for its SSDs, the least we can utter is that Intel is not flawed. The huge Santa Clara had to take out twice a buggy firmware from circulation shortly after its publication. The newest on the updated adding up sustain for the TRIM command in Windows 7 to X25-M Postville (including flash memory is etched to 34 nanometers).

This firmware is currently backing below a latest revision, 2CV102HD, which expectantly does no longer bug (too) seriously. Note that the SSD Toolbox that enabled the support of TRIM on Vista as well as XP is no return. It remains unavailable because of problems with operating systems from Microsoft.