What are QLC, DRAM Cache and SLC Cache?

DRAM Cache, SLC Cache

These two terms are very often used by manufacturers for SSD features, but many consumers don’t really understand the difference between the two. They all have Cache but why are the prices and read/write speeds all different? Are the manufacturers not being honest? In fact, the manufacturers are not lying, so please keep calm and hold on.

DRAM Cache and SLC Cache are completely different concepts, but both have a “Cache”, which means they can actually do the “cache” action. In other words, both have the purpose of “acceleration”, but the principle and logic of acceleration are different, and the cost is also different. This leads to a misunderstanding that may have happened just before.

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