1)RPM: 5400Average Seek Time: 12 msShock - non operating: 1000 G 1 msShock - Operating: 300 G 2 ms Apricorn A25-3PL256-1000F 1000 GB fortress Fips Portable USB Hardware Encrypted HDD We triple check all our products to assure they meet our standards.0 - up to 5 GbpsPower Supply: 100% Bus PoweredBuffer Size: 8 MBInterface: Super Speed USB 3. We always add a multitude of new products as we continue to develop innovative and creative products as per the requirements.