Exceptional Speeds for Enhanced Performance; Featuring SanDisk's cutting-edge solid-state architecture the SanDisk Extreme II SSD can achieve sequential read speeds of up to 550MB/s**. It can also provide quick file transfers during video editing and data backup thanks to the exceptional 340MB/s sequential write speed; and it delivers random read/write speeds of up to 95K/78K input/output operations per second (IOPS) enabling quicker data access. Your computer will boot up in seconds load programs quickly and blow through the most demanding next-gen games. Smoother Gaming Experiences and Faster Multimedia Play; The SanDisk Extreme II SSD provides hiccup-free smooth gaming with faster loading and quicker multimedia playback. Videos programs and anything else stored on the SSD will load faster saving time and increasing productivity. Reliable Design Extends Your Computer's Lifecycle; Unlike traditional hard disk drives (HDDs) the SanDisk Extreme II SSD has no moving parts minimizing physical wear and tear. The drive is rated at 2.0M hours mean time before failure (MTBF)**.The SanDisk Extreme II SSD is designed to withstand shock and vibration giving it an additional layer of protection; Low Power Consumption for Quiet and Cool Operation The SanDisk Extreme II SSD uses much less energy than a traditional HDD** placing less of a burden on your computer's power supply and cooling system. This SSD also runs more quietly than a hard drive reducing your computer's total noise Operating temperature: 32?F to 158?F (0?C to 70 ?C) Storage temperature: -67?F to 185?F (-55?C to 85?C) Interface: SATA Revision 3.0 (6 Gbit/s) Shock: Resistant up to 1500 G @ 0.5 m/sec Vibration (Operating/Non-operating): 5 gRMS 10-2000 HZ / 4.9 gRMS 7-800Hz Power Consumption (active): 0.22W