Why a Full SSD Gets Slow, and Stays Slow
Filling an SSD does more than shrink its write cache. It makes garbage collection expensive, and that slowdown does not end when the copy does.
nand
2 articles.
TLC vs QLC: What Four Bits Per Cell Actually Costs
Two drives, same capacity, same headline write speed, different flash. What changes is sustained write, cold-read speed, and what the datasheet omits.
