Crucial's MX500 is one of the most successful SSDs on the market, thanks to its great performance at an amazing price point. At launch only 2.5" SATA models were available, now the M.2 form factor drives are shipping, too - with no price increase.
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips