For those cautious of parts from AliExpress. I have received both of these from the same seller, RE store. Both post, both identify correctly, all cores work and got them for 32
Afbc Cpu Delid Tool To Remove Cover For 3770k 4770k 4790k 6700k E3-1230 7700k 8700k 115x (delid) - Tool Parts - AliExpress
I7 3770k Quad Core Lga 1155 3.5ghz 8mb Cache With Hd Graphic 4000 Tdp 77w Desktop Cpu - Electronics Stocks - AliExpress