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ECC memory and non ECC CPU

TehPlayer14
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Short answer: no.

 

Long answer: Whether you can use registered DIMMs is dependent upon the mainboard, not the CPU. Try to use RDIMMs on a mainboard that doesn't support it and the system won't POST. And since the memory controller is embedded in the CPU, it's likely that attempting to use ECC RAM with a CPU that doesn't support it will give you a system that won't POST.

Wife's build: Amethyst - Ryzen 9 3900X, 32GB G.Skill Ripjaws V DDR4-3200, ASUS Prime X570-P, EVGA RTX 3080 FTW3 12GB, Corsair Obsidian 750D, Corsair RM1000 (yellow label)

My build: Mira - Ryzen 7 3700X, 32GB EVGA DDR4-3200, ASUS Prime X470-PRO, EVGA RTX 3070 XC3, beQuiet Dark Base 900, EVGA 1000 G6

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