Up to 550 MB/s read; 500 MB/s write QLC 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 Transcends official website Transcend's SATA III 6 Gb/s SSD220Q uses the latest QLC NAND technology, which employs a higher density of storage cells. By using high-quality flash memory and enhanced firmware algorithms, the SSD220Q delivers greater performance and reliability.Less is MoreFeaturing QLC NAND Flash, SSD220Q's storage density per cell boosts 33%. More storage capacity is unleashed for more data. Your performance is no longer limited. Unlock your potential now!Performance Boost for Everyday ComputingTaking full advantage of the SATA III 6 Gb/s interface and built-in SLC caching technology, Transcend's SSD220Q achieves exceptional transfer speeds