120 GB M.2 Serial ATA III Read speed: 540 MB/s 37000 IOPS Write speed: 430 MB/s 63000 IOPS S.M.A.R.T. support Component for: PC/Laptop ENHANCED STORAGE FOR YOUR EVERYDAY COMPUTING NEEDSFor fast performance and reliability, WD Green SSDs boost the everyday computing experience in your desktop or laptop PC. Improved performance for everyday computingWith the performance boost from a WD Green SATA SSD, you can browse the web, play a game, or simply start your system in a flash.Solid state reliabilityLightweight and shock resistant, WD Green SSDs use no moving parts and help keep your data safe from loss in the case of accidental bumps and drops.Less power. More play.WD Green SSDs are among the lowest power consuming drives in the industry. And with less power used, your laptop runs longer. Features Certification FCC, UL, TUV, KC, BSMI, VCCI TBW rating 40 Mean time between failures (MTBF) 1750000 h S.M.A.R.T. support Yes Random write (4KB) 63000 IOPS Random read (4KB) 37000 IOPS Write spee