[Discussion] Is buying RAM second hand a horrible idea?
28 minutes ago, ELECTRISK said:Why doesn't RAM degrade like other forms of flash storage?
'Cause it's not flash storage.
Flash uses floating-gate transistors, which it charges and discharges to change the data, kind'a like a battery. And, like a battery, they have a limited number of charge cycles, which means there's a very definite lifespan.
HDDs are mechanical devices, and reliability tends to decrease as you add more moving parts, so they also have a limited lifetime. They'd probably last longer if you could service them, but the media is so sensitive that it has to be hermetically sealed to work for any reasonable length of time.
RAM is made of latches, which don't hold a charge or anything like that. It's actually closer to the circuitry in a processor than in an SSD, and RAM degrades even slower than processors because there isn't much power going through it.
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