Samsung Electronics Samsung 840 Series Solid State Drive (SSD) 500 GB SATAIII 2.5-Inch MZ-7TD500BW Optimized to improve everyday PC productivity, including web-browsing, email, multimedia and gaming Enables you to boot up your computer in as little as 15 seconds Energy efficient - improves battery life by up to 50 minutes Solid-state design provides greater shock protection for data and brushed metal case blocks dust and corrosion Worry-free data security with AES 256-bit full-disk encryption Superior multi-tasking performance with 4th-generation 3-Core Samsung MDX Controller 100-percent genuine Samsung components from the #1 memory manufacturer in the world Backed by a three-year limited warranty