TLC, short for Triple-Level Cell, means that one memory cell can store 3 bits of data. MLC, short for Multi-Level Cell, means that one memory cell can store 2 bits of data. In Samsung SSDs, PRO indicates the SSD uses MLC, EVO indicates the SSD uses TLC, and QVO indicates the SSD uses QLC. When the NAND flash is made via different technologies, the SSD storage, performance, and lifespan will vary accordingly. To some extent, these suffixes indicate different technologies applied in NAND flash of these SSDs.Īs we all know, an SSD often uses NAND flash to store data persistently. QVO, EVO, and PRO usually appear in retail customer SSD models in the form of a suffix. In addition, consumer-level SSDs are also divided into two categories: SSDs for retail customers and SSDs for OEM customers. Consumer SSDs first seek cost, followed by capacity and performance, and finally data integrity. Enterprise SSDs focus on data integrity, followed by capacity and performance, and finally cost. In general, Samsung SSDs are mainly divided into two categories: enterprise-level SSDs and consumer-level SSDs. How to Interpret Samsung SSD Model: QVO vs EVO vs PRO
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