A:Answer The QVO drive uses QLC flash storage. It is a lower cost flash memory that will wear/fail quicker than MLC or TLC. QLC drive write performance is also lower, but they often have a write cache so it's only noticeable on very large files. The benefit is that the drives are lower cost. For most consumers, the drive will still last many years. If you do anything with heavy writes like video editing, it might be better to go with another drive. This only matters if it's frequent though. EVO drives are usually TLC so they have higher TBW / wear levels and will last longer.