7/28/2023 0 Comments Best airflow case fans 2017There's still room for improvement here, but as long as you're happy to make accommodations for this case in your choice of hardware (an SFX PSU and bracket with a short cable set spring to mind, as does ensuring you utilise M.2 ports as much as possible), we're confident you could build a pretty awesome rig into the Metis Plus – it certainly serves as a good advert for the Zotac GTX 1080 Mini, albeit inadvertently. This might just be a reflection of the fact that there are so few “real” small form factor cases that are also able to hit mainstream prices, but the point stands nonetheless. We're left in a tricky position now, because despite the case's shortcomings the price is still rather favourable given the quality aluminium exterior, and we're still somewhat enamoured by it. You still have to remove the case feet to install a PSU, cable routing is still a real faff, there's still no SFX PSU support out of the box, and the cooling still doesn't serve both the CPU and GPU equally well. However, we can't help but feel that it's a little lazy on Raijintek's part not to have used this opportunity to attempt some improvements elsewhere – as far as we can see, that's the only real change. It's true that most systems installed in the Metis Plus will be considerably less powerful than ours, but it would still have been nice to see a design that truly accommodates high-end setups by default.ĬonclusionThe Metis Plus is certainly an improvement over the original case the roof ventilation was definitely the biggest thing that was missing. What does seem clear from this testing is that Raijintek appears to have paid less attention than it could have to airflow, despite the new inclusion of a rooftop fan mount. We think the best solution would be to reverse the case fan and install a slow spinning 120mm intake fan in the roof as a low noise means of making up for the lack of negative pressure. Given that one fan orientation positively affects the CPU but negatively affects the GPU and vice versa for the reversed mounting, neither situation is ideal. In a normal system where the GPU fan is not manually limited like in ours, the result would most likely be an increase in noise rather than temperature, although this is of course still undesirable. Without the negative pressure, the GPU is relying almost entirely on its own fans. What seems likely is that reversing the fan removes the negative pressure effect that's otherwise created by having two fans drawing air out of the case, which in turn pulls air in through ventilation points like the roof. We actually saw something similar with the Raijintek Styx chassis, which has a similar design but in micro-ATX format. Switching the case fan's orientation, however, actually sees the delta T hit 72☌, a whopping 29☌ more than the open result. With the case fan in its default position, things do get warm, but the delta T result of 57☌ isn't that bad compared to the open-air one of 43☌, especially as the GPU is only drawing air in through a single 120mm fan mount. We locked our GTX 1080 Mini to its lowest possible fan speed to really put the airflow of the case to the test. The carbide has really good airflow so even if you get the best airflow ever with non jet engine fans you are looking at maybe a 3c difference.The GPU results paint a more interesting picture. If you want cooler components get a better cooler. Your normal 2 front fans and 1 in the back is more than fine. Since hot air rises it will exit the case naturally and needs less help. You always want more intakes than outtakes. What you want is positive air pressure and airflow. 140mm is better than 120mm (slower yes, but more air and quieter) If you have a spot that can fit a 140mm, use 140mm not 120mm Positive is better than Negative (since I clean a lot I will negate anyhow) I've read the following in trying to solidify my plan: 2x140mm Front, Side and Top (1200-1400RPM)įront and Side are intake, Top and Rear exhaust, this is 4:3 so slightly positive in terms of pressure (I clean frequently so dust isnt really an issue).Īll that said, there comes a point of diminishing returns where the temp isnt going to really change drastically, or maybe even +/- a couple of degrees.īut are there any negatives to having all the fan spots filled? I currently only have 1x120mm in Front and Rear. Normal load temps (with some slight OC) never exceed 70c, but I prefer cooler especially as I am soon to upgrade components. I have a Corsair Carbide 300R it can support 7 fans:
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