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[–] 14 points 7 hours ago (1 child)

Not sure, but you might be confusing memory with storage?

Pretty sure memory stays as speedy and keeps its capacity over time. Though the software we run on the devices seems to constantly grow, which gives an impression of devices being more sluggish. But in reality, it is the software that is less efficient.

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  • [–] 6 points 6 hours ago

    Both can fail. Failing NAND flash (solid state storage) usually results in reallocated sectors or slower reading due to retrying reads on bad sectors. Slow read/write can also just be a symptom of a nearly full drive. Failing DDR# memory can cause software freezes, crashes, or other random behaviour because usually there's no error correction at that level (ECC isn't common for consumer devices). Lots of detectable errors (through ECC) can cause a slowdown as it needs to redo the read/write.

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