Western Digital Blue 500GB M.2 SATA SSD SLC (single-level cell) caching boosts write performance to quickly perform everyday tasks. Sequential read speeds of up to 545MB/s. .Ultra low power-draw so you can use your laptop PC for longer periods of time. Available in 2.5”/7mm cased and M.2 2280 models to accommodate most PCs. .Western Digital FIT Lab certification for compatibility across a wide range of laptop and desktop computers. The Western Digital Blue 500GB M.2 SATA SSD comes with 03 years of warranty Specification: Key Features Capacity 500GB Form Factor M.2 2280 Interface SATA 6Gb/s Sequential R/W 545/510 MB/s MTBF up to 1M hours Physical Specification Dimension (L x W x H) (80 x 22 1.5) mm Weight 6.52 g Temperature Operating Temperature 0 to 70 C Storage Temperature -55 to 85 C Shock resistance 1,500 G @0.5 msec half sine Warranty Manufacturing Warranty 03 Years Warranty   ..