SLC (single-level cell) caching boosts write performance to quickly perform everyday tasks. Shock-resistant and WD F.I.T. Lab certified for compatibility and reliability. Ultra-low power-draw so you can use your laptop for longer periods of time. Available in 2.5"/7mm cased and M.2 2280 form factors to accommodate most PCs. Includes a 3-year limited warranty so upgrading your storage is worry-free. The free, downloadable Western Digital SSD Dashboard lets you easily monitor the status of your drive. Available for download at official Western Digital website