The Samsung SSD 850 EVO powered by Samsung V-NAND Technology is optimized for everyday computing performance and is ideal for ultra-slim mobile computing. Unlock Your Computer's Potential Samsung's 850 EVO series SSD is the industry's #1 best-selling SSD and is perfect for everyday computing. Powered by Samsung's V-NAND technology, the 850 EVO transforms the everyday computing experience with optimized performance and endurance. Designed to fit desktop PCs, laptops, and ultrabooks, the 850 EVO comes in a wide range of capacities and form factors. *Based on 2015 NPD reported revenue in the US. Uncompromised Performance The 850 EVO optimizes performance for your daily computing tasks, boasting sequential write speeds up to 520 MB/s with TurboWrite technology and sequential read speeds up to 540 MB/s. Plus, RAPID mode to further boost performance for up to 2x faster data processing speeds by utilizing unused PC memory as cache storage. Compared to same drive w/out RAPID enabled. Multiple Form Factors for Almost Any Need Samsung has designed the 850 EVO in multiple form factors with compatibility in mind. The 2.5-inch size is designed to fit most desktop PCs and laptops, while the SATA-based M.2 and mSATA are ideal for ultra-slim mobile computing. Improved Energy Efficiency The 850 EVO delivers significantly longer battery life on your notebook with a controller designed and optimized for 3D V-NAND that supports. Device Sleep for Windows at a highly efficient 2mW. The 850 EVO supports 25% better power efficiency than the 840 EVO during write operations thanks to ultra-efficient 3D V-NAND only consuming 50% less energy than that of traditional Planar 2D NAND. Compared to standard hard drive & previous generation SSDs. Ultimate Flexibility The versatile 850 EVO mSATA has you covered no matter which connector type or physical slot size your device has, making it perfect for desktops, laptops and even ultra-thin tablet PCs.