Wear Leveling and TRIM support

For users who run their whole computer off a flash drive or SSD, Wear Leveling is important as most operating systems write a lot of small, frequently modified files to disk.  Since flash media has a limited number of writes, saving those to the same place over and over again will cut down on the life of your flash drive.

More on this:

• Wikipedia entry
• Corsair claims that they have extremely high read-write capability  

Complicating matters for fans of volume encryption, TrueCrypt doesn’t support this and VeraCrypt actually advises against it for security reasons.

Similarly, for those still hanging on to Windows XP, if you have a solid state drive, it’s a place where you might want to upgrade to get TRIM support.