The Samsung SSD 850 EVO elevates the everyday computing experience to a higher level of performance and endurance than was ever imagined. Powered by Samsung's unmatched V-NAND technology, no wonder the 850 EVO is the best-selling SSD for everyday computing. Designed for mainstream desktop PCs and laptops, the 850 EVO comes in a wide range of capacities and form factors. 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 500 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.