Thanks. Both are ASUS 280X. You make a good point about radiator positioning and ambient temperature and to make a better comparison I could exchange positions as well. For the temperatures I gave neither radiator is in the case - it's just in open air but the ambient air temperature and airflow...
I have both of these models running at full load with the Kraken G10 bracket on the same GPU model.
The H105 runs at a cool 36 C.
The H55 runs at 54 C.
With the stock cooler it runs about 65-70 C.
I am wondering if there should be so much difference between the H55 and H105 an why that is. I...