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I fuss a lot over building stable machines -- in that I absolutely hate crashes, reboots, funny behaviour, etc. -- and so error-correcting a.k.a. ECC RAM would seem to solve a big problem: memory errors.
But does it really work? Is there a measurable advantage, e.g. less crashes or other behaviour?
Aside from the cost, why not use ECC memory for a new PC build? Why is the ECC feature predominantly available & supported for server/workstation class machines, but not in consumer-oriented motherboards?
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Yes, ECCs are really useful against soft errors. A soft error can crash a system if error is in memory access. It has been reported that a single soft error halted a billion-dollar industry. Here is a detailed reference for this.
– user984260 – 2015-07-12T16:27:57.017