I was checking for a motherboard for my 5820K and in the compatibility list I saw 2 variants of the cpu.
1. Core i7-5820K(3.3G,140W,L3:15M,6C,HT)
2. Core i7-5820K (3.3GHz, L3:15M, 6C, HT, 140W, rev.R2)
Never heard of that before. Is it a thing?
I might have the first one that isn't compatible...