Samsung Electronics 840 EVO-Series 250GB 2.5-Inch SATA III Notebook Kit Version Internal Solid State Drive MZ-7TE250LW Highest-quality components and engineering from the #1 memory manufacturer Worry-free data security with AES 256-bit full-disk encryption No moving parts means no hard drive spin ups, no noise and superior data protection An innovative lightweight design that allows you to work smarter and play longer.