SanDisk Ultra 3D SSD 250GB Details SanDisk Ultra 3D SSD 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 560MB per second and write speed up to 550MB per second. Such great speeds also help you boot up faster than regular HDD. This practically enables super fast transfer speeds and features advanced 3D NAND and NCACHE 2.0 technology. 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.