Sequential read speeds of up to 545 MB/s and sequential write speeds of up to 525 MB/s. 1.75M hours Mean Time To Failure (MTTF) and several error-correction technologies for lasting reliability. Optimized for multitasking to simultaneously run resource-heavy applications without system slow-down. Available in 2.5 Inch/7 mm and M.2 2280 models to accommodate most PCs. WD FIT Lab certification for compatibility across a wide range of laptop and desktop computers. The free, downloadable WD SSD Dashboard lets you easily monitor the status of your drive.