Man, I wish I had found this thread a few months ago when I built my fancy new Threadripper rig. Seemed to work fine up until my PC suddenly shut off last week when I was playing some Stellaris; turned it back on and it was idling in the 60°C's (only if I laid the machine on its side; when upright it'd keep climbing toward 70°C), even with all fans on full throttle. Replaced the thermal grease last night to no avail.



I was able to get free one-day shipping on a Noctua NH-U14S (like a couple of y'all switched to), and just finished installing it tonight. Haven't put it under any significant stress yet, but idle seems to hover around 18-20°C with occasional spikes into the 25-30°C range, which is a significant improvement. It's big (had to shift my GPU down a slot, the fan covers one of the RAM slots that I'm thankfully not using yet, and it's just barely tall enough for it to not quite fit in the case with the door closed), but it seems to be doing the job. Funny how half the reviews on Amazon for the Noctua seem to be from people burned by this Enermax AIO.



Not sure what I'm gonna do with this Enermax one. Sounds like an RMA ain't worth the hassle. If it ain't too damaged at this point, maybe I'll clean it out and pop in some better fluid, but I think from now on I'll stick to a good ol' heatsink and fan.