SanDisk Ultra II SSD 240GB is a great storage accessory built for professionals. Compatible for use with desktops and notebooks and all devices featuring SSD compatible slot, it can store your data along with offering tremendous read speeds of up to 550MB per second and write speed up to 500MB per second. Such great speeds also help you boot up faster than regular HDD. This practically enables super fast transfer speeds. The accessory is also shock/vibration/bump resistant to protect all your important data and work from any potential harm. It provides a cool and quiet operation.