ADATA Ultimate SU800 256GB SSD 3D NAND 2.5\" Internal SATA III Solid State Drive The SU800 solid state drive lives up to its Ultimate name with 3D NAND Flash that provides higher storage density, efficiency, and reliability than traditional 2D NAND. It features intelligent SLC Caching and a DRAM cache buffer to boost read/write performance even further. Featuring LDPC ECC,high TBW (total bytes written),and technologies such as DEVSLP (Device Sleep), the Ultimate SU800 instantly upgrades notebook and desktop PCs with superior stability, durability, and power efficiency. In addition, users can download ADATA inhouse-developed SSD Toolbox and Migration Utility software for free to enjoy easy data management and migration.Features- 3D TLC NAND Flash- SMI Controller- Advanced hardware LDPC ECC Technology- Intelligent SLC Cachingand DRAM cache buffer- DEVSLP (Device Sleep) supported- High TBW for extended drive longevity- Free software: SSD Toolbox and Migration Utility- Supports S.M.A.R.T, TRIM Command, and NCQ