... . Notebook Set with External Enclosure, USB interface, through the old hard drive to use the system to provide additional storage space. KDATA ... • Reliable - the risk of failure is far lower than the hard disk• Earthquake crashworthiness - no moving mechanical parts, more durable• Support for ... time between failure (MTBF) – 1,000,000 hours Solid State Disk, SSD 2.5" 60GB-512GB