I have the Dark Rock Pro 4 on my 3700x and it does a fantastic job and is the quietest cooler I've ever owned. I'd expect the Dark Rock to perform similarly, there's not that much difference between the two. Great coolers.
I have the Dark Rock Pro 4 on my 3700x and it does a fantastic job and is the quietest cooler I've ever owned. I'd expect the Dark Rock 4 to perform similarly, there's not that much difference between the two.