 "Samsung 850 EVO 250 GB Internal SSD" " Samsung SSD - MZ-N5E250BW Solid State Drives (SSDs) CDW.com
"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." 
 "Samsung 850 PRO 512 GB Internal SSD" " Samsung SSD - MZ-7KE512BW Solid State Drives (SSDs) CDW.com
"Designed for high-end computing on client PCs, our 512GB 850 PRO Solid State Drive (SSD) is powered by Samsung's own 3D V-NAND technology which delivers higher density and faster write speed compared with traditional 20nm planar NAND flash." 