Amazon has got the MyDigitalSSD 256GB BP3 Bullet Proof 3 mSATA SSD (MDMS-BP3-256) on sale for $169.99. It ships free with Super Saver Shipping.
MyDigitalSSD 256GB BP3 Bullet Proof 3 mSATA III (6G) SSD Solid State Drive - MDMS-BP3-256
MyDigitalSSD mSATA drives feature the Phison S8 controller, the most reliable controller on the market!
MyDigitalSSD Smart Series 50mm mSATA III (6G) solid state drives have adopted the advanced Phison S8 SSD controller and Synchronous NAND Flash, to deliver affordable yet high performance upgrades to replace stock drives found in recent mSATA-equipped Notebooks, Ultrabooks, Tablets, hybrid HDD/mSATA setups, and Desktop computers.
BP3 Series drives are easy to install, regardless of computer experience, and eliminate the bottle-neck of the slower stock drives. They increase performance and productivity thanks to blistering read and write speeds up to 550MB/s; all while lowering energy consumption and prolonging battery life.