[SOLVED] What are the differences between the Corsair RM models?

Aug 12, 2020
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So I was looking for a power supply for my computer because of an overheating problem, I looked at the PSU tier list at the LinusTechTips site, and found multiple RM series versions, I am very confused.

What are the differences between the grey, yellow, and black labels?
 
Solution
What are the differences between the grey, yellow, and black labels?
The yellow are the older versions, which you don't want to use anymore, simply because of age.
The newer black/white are the RM models you want to go for for now.
The "grey" you mention are (i think) probably the RMx which is an even better option.