Plextor M6S Series 256GB 2.5-Inch Internal Solid State Drive (PX-256M6S) Max Sequential Read: Up to 520 MBps Max Sequential Write: Up to 420 MBps 4KB Random Read: Up to 90,000 IOPS Controller: Marvell 88SS9188 with custom Plextor Firmware 4KB Random Write: Up to 80,000 IOPS Max Shock Resistance: 1500G (Max) at 1 msec half-sine Max Vibration Resistance: 7~800Hz, 2.17Grms(Non-operating) Used For: Consumer