The result fits!
If I were to ask WaKü aesthetes, they wouldn’t like my entire setup. So I don’t even ask. I have to say anyway, the optics are not important to me. In my PC I switch off all LEDs that can be switched off – only now and then for a photo I choose some suitable lighting. And I feel similarly about how water cooling looks now. Whether you can see the tubes, also sometimes called AIO sausages, or not, that doesn’t bother me.
In the end, I’m interested in two things above all:
- Does the system run as silently as possible in normal operation, preferably not audibly, and does it still manage a good cooling performance?
- Does the system cool me down into the 27k (Graphics Score in Time Spy) when benching sometime in winter?
The first I have already validated, the second I have to see if I can make progress now, or if it will be a Christmas pleasure again. I had before the conversion at 22 °C room temperature with my AMD Ryzen 7 5800 X (a B2er) in total idle (after booting just leave it alone for 5 min, hardly any crap in the background) then 29 °C on the CPU. After the rebuild, I manage to get it down to 24 °C in total idle (same system, same few background programs) under the same environmental conditions.
Idle: 22 °C room temperature, 23 °C water temperature, 24 °C CPU temperature, 23 °C GPU temperature – entire cooling system not audible, large 200 mm fan at about 40% PWM.
I quite reproducibly achieved a temperature reduction of 5 degrees at idle. I also see about the same difference when gaming, e.g. currently with X-Com 2, where I get down from about 63 °C to about 58 °C when the game is running. how do things look now with target number 2? Now, with the current energy crisis, I don’t feel like letting the system heat up fully for an hour – the result would be that it blows warm out of the radiators. My test is different: my Radeon 6900 LC managed 26.9k graphics score in Time Spy in winter with frost.
These cards and their maximum performance benefit strongly from temperatures below about 65 °C hotspot – above that, they already start to throttle – i.e. well below the shutdown temperatures. So, the top scores can only be achieved with sufficient cooling. With the new big loop, I managed 26.4k graphics score in a quick shot on a normally warm summer day at 22 °C room temperature and 600-700 W GPU firing. This shows me that the new cooling system is a noticeable increase in performance over before, and I’m already getting close to frostbite with it. I’m already looking forward to the coming winter, when I’ll put the PC and SuperNova on the balcony.
Conclusion
The Alphacool SuperNova will probably not be a hit with enthusiasts who place increased value on the appearance – it is too inconspicuous and offers too few appealing looks and accessories. However, that’s exactly what makes it very attractive in terms of price, because in my eyes it’s a cheap but very solid alternative below the big, external radiators. In terms of cooling performance, the SuperNova does not have to hide in any way, which is what counts in the end. Unfortunately (or thankfully), optics alone do not cool.
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