You certainly can't accuse ADATA of sitting still as far as SSD offerings go. They've released a number of different SSDs over the past year featuring different NAND controllers, read/write speeds, and price points. They seemingly have something for everyone in this regard. Today's review is on their latest Premier SP550 offering, which is aimed at users looking for an affordable upgrade without having to sacrifice performance. The SP550 is ADATA’s first foray into Silicon Motion's SM2256 NAND controller and its NANDXtend technology. Let's go find out how well the SP550 240 GB SSD performs and if it's worth your hard earned dollar.