Samsung’s 860 QVO SSD is-an excellent everyday performer and an outstanding bargain in its 2TB and 4TB flavors. It’s also the second quad-level cell (4-bit) SSD to pass our portals, the other being Intel’s SSD 660P.
The reason I mention this competitive drive from Intel up-front is that it’s becoming clear that 4-bit NAND, while allowing greater capacity, also extracts a performance hit that vendors must work around. How well a vendor does that affects which 4-bit drive you should buy, and whether you might be better off with an MLC or TLC drive.--
Note: Samsung refers to the 860 QVO as 4-bit MLC. As the acronym MLC stands for “Multi-Level Cell,” this is technically correct. However, most refer to it as quad-level cell or QLC, which is what I assume the Q in QVO stands for.-
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