Up to 550 MB/s read; 500 MB/s write 3D NAND flash memory Engineered with a RAID engine and LDPC (Low-Density Parity Check) coding to ensure data integrity; built-in SLC caching technology for exceptional transfer speeds Supports DevSleep ultra low power state, S.M.A.R.T., TRIM and NCQ commands Download the SSD Scope software from Transcend's official website Transcend's SATA III 6Gb/s SSD220S uses the latest 3D NAND technology that features vertical, stacked expansion of storage cells. By using high-quality flash memory and enhanced firmware algorithms, the SSD220S delivers greater performance and reliability.3D expansion to break through limitsUnlike planar NAND memory, 3D NAND flash features memory cells stacked certically in multiple layers. 3D NAND overcomes density limitations of 2D planar NAND and delivers a higher level of performance and endurance.Performance boost for everyday computingTaking full advantage of the SARA III 6Gb/s interface and built-in SLC caching technology, T