Kingston SSDNow A400 240GB SATA 3 Solid State Drive (SA400S37/240G) Capacity:240 GB   Kingston's A400 solid-state drive dramatically improves the responsiveness of your existing system with incredible boot, loading and transfer times compared to mechanical hard drives. Powered by a latest gen controller for read and write speeds up to 500MB/s and 450MB/s, this SSD is 10x faster than a traditional hard drive; for higher performance, ultra-responsive multi-tasking and an overall faster system. Also more reliable and durable than a hard drive, A400 is built with Flash memory. There are no moving parts, making it less likely to fail than a mechanical hard drive. It’s also cooler and quieter and its shock and vibration resistance makes it ideal for notebooks and other mobile computing devices.