(OLD MODEL) Crucial M550 128GB mSATA Internal Solid State Drive - CT128M550SSD3 Load files and programs almost instantly Boot up almost immediately 550 MB/s sequential reads, 350 MB/s sequential writes, 90k random reads, 75k random writes Download massive files in seconds rather than minutes Manage power so your battery lasts longer Compatible with PC and Mac systems Encrypt and protect personal data against loss or theft