![]() ![]() They've led the industry in integrating flash into their notebooks and in high bandwidth consumer SSDs in general. So what's going on with the M1 SSDs?Īpple has some world-class SSD engineers. While reads are microseconds quick, writes can take milliseconds - not much better than hard drives.Īnd there's more, like write amplification and read disturbs, that call for more controller acrobatics to mitigate. Writes are WAY slow and take a lot of power.what PCs use - NAND flash may handle as few as 500 writes over a cell's lifespan. ![]() That voltage steadily wears away the insulation that lines the quantum well. Herding electrons into a quantum well takes power, way more than the 5 volts common in solid state circuits. Electrons, those bad boys, are always trying to sneak out, which is why SSDs aren't forever, unlike, say, M Discs. Flash stores electrons in tiny physical quantum wells.
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