If you own an ASRock AMD BC-250 and want to add active cooling using Am3 or Am4 mounting hardware, this adapter is designed to fit. The AMD Wraith cooler shown does latch down, though it is a tight fit.
AM4 Retention Bracket & AM4 Back Plat. CPU Socket Mount Cool Fan Heatsink Bracket Dock Base For AMD AM4 B350 X370 A320 X470. FOR AM4 MOTHERBOARD and CLIP-ON COOLER ONLY.
For AMD Socket 754, 939 and 940 where the motherboards use two hole brackets screws included (the hole being for the for push pins). Picture shows 1, you get 1 bracket and back plate. We are building up to our full product line of over 2,000 parts.