Hearts_Wake :
Isokolon :
Cryorig H7 / H5
Scythe Mugen / Mugen Max / Kotetsu
Noctua U12S
can you confirm that it will fit on an ASUS maximus IX Hero?
Well...
you could look through the specs for all non CoolerMaster heat sinks, and see which ones are suitable for your 1151 socket, and which ones will fit in your case.
I believe all of the Cryorig ones will.