Marzipan
Well-known member
you replace the IHS with something that does the same thing but mates with the block better than it would otherwise.
www.techspot.com

AM5 direct-die water block can lower CPU temps by more than 25C
der8auer's journey started by removing AMD's integrated heat spreader (IHS) and replacing it with a custom-designed high performance variant. In testing, this step alone delivered a huge...
