Whether it’s extending the battery life of your PC or improving your gameplay, the SanDisk Extreme II SSD is the reliable drive for you. Enjoy faster performance , providing next-level speed for your graphic-intense games. Get faster load times enhancing your gaming experience from boot-up to shut-down and every moment in-between. The SanDisk Extreme II SSD features no moving parts for quiet operation and is also backed by rigorous shock and vibration testing. Launch your games fast with the new SanDisk Extreme II SSD. --Performance (120GB model) : Sequential Read Speeds up to 550MB/s; Sequential Write Speeds up to 340MB/s; Random Read Speeds up to 91000 IOPS; Random Write Speeds up to 74000 IOPS. --Durable Stainless-steel casing --MTBF 2.0M hours (Telcordia, Stress Part) As compared to 7200 RPM SATA 2.5” hard drive. Based on published specifications and internal benchmarking tests. 1 gigabyte (GB) = 1 billion bytes. Some capacity not available for data storage. Based on internal testing; performance may vary depending upon drive capacity, host device, OS and application. 1 megabyte (MB)=1 million bytes. Based on internal testing using Telcordia stress part testing.