+1 for the Samsung EVO 850 250GB USAFRet suggested.
The Samsung 850 EVO is one of the most reliable SSD's in its class, and has a longer warranty than any other SSD to support this. The Samsung EVO also comes with a fantastic software suite to ensure your SSD runs at optimal performance on your machine.
The Samsung 850 EVO is one of the best SSD drives you could possibly get right now.