About This Product The Samsung SSD 850 EVO. The top SSD for top professionals. 3D V-NAND Technology Samsung’s innovative 3D V-NAND flash memory architecture breaksthrough density, performance, and endurance limitations of today’s conventional planar NAND architecture. Samsung 3D V-NAND stacks 32 cell layers vertically resulting in higher density and better performance utilizing a smaller footprint. TurboWrite Technology Achieve incredible read/write performance to maximize your everyday computing experience with Samsung’s TurboWrite technology. You can obtain up to 2x faster random read write speeds than the award-winning Samsung 840 EVO. The 850 EVO delivers class-leading performance* in sequential read (540MB/s) and write (520MB/s) speeds. Plus, gain optimized random performance in all QD for better real-world performance. * Performance c model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : Internal SSD