Western Digital WD Green 240 GB

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. Sequential Read Performance 545MB/s
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.
The free, downloadable Western Digital SSD Dashboard* lets you easily monitor the status of your drive. Includes a 3-year limited warranty so upgrading your storage is worry-free