 "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." 
 "DISCONTINUED Samsung 840 EVO 250GB 2.5-Inch SATA III Internal SSD (MZ-7TE250BW)"@en-US "Data Storage - Page 6 | Laptops Outlet Direct"@en-US
"Upgrading your PC with a Samsung SSD is the most economical way to breathe new life into an aging PC. The 840 EVO reads, writes and multi-tasks at incredible speeds, enhancing boot-up speed, application loading and multi-tasking performance. It's more than an upgrade, it's a complete transformation of your PC."@en-US 