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Another one I saw good reviews is the EVGA SuperNOVA G6 650W 80+ Gold Full Modular at 100€ around here.

thanks, I'm in Portugal. the GX 850 is 140€ around here the only seasonic close in price and in stock is the Seasonic Core GM 650W 80 Plus Gold Semi Modular at 90€

I'm looking to upgrade from a bitfenix formula gold 450W to something around 550W to make sure my new cpu+gpu combo work in stable conditions. I want a very good PSU with all the modern protections, that is well built and stable. Also need it to be as quiet as possible as my current one is basicaly silent. The build has a CPU 5800x, GPU RX 5700, 4 DDR4 at 1.35V, 1 SSD, 1 nvme, 1 HDD plus a few assorted USB things. In my country the brands I can usually get are Asus, Cooler Master, Corsair, some EVGA, Kolink, Seasonic, some Aerocool, some Fractal Design. For the price range around 80€, filtering by 80+ Gold, some of the contenders are: Seasonic Focus Gold GX 550W 80 Plus Gold Full Modular - 80€ Kolink Enclave 600W 80 Plus Gold - 70€ Be quiet Pure Power 11 500W - 82€ Be quiet Pure Power 11 600W - 88€ Is the Seasonic Focus Gold GX a good PSU? I remember from jonnyguru days that Seasonic had rested a bit on their good PSUs and now oversell stuff that is very very old but I don't know about this model. Is Kolink any good? Their prices are really cheap but they do have Gold certificate. The review I saw has decent results but I know nothing about build quality or longevity. Any other suggestions around 80€?

what software do you recommend to see fan speeds and adjust them? I'm very much suspecting of a faulty fan, I'll see if I can try it out with other fans and see if it's mobo or fan problem. The cooler comes with 2 fans and it also seem it's only 1 fan having this issue!

any suggestion for other software to use? yes:

In BIOS or in windows, controlling the fan doesn't seem to work. Whatever I do they are always at 1500 rpm. In windows I'm using Asus fan Xpert 2. It has a 'fan tuning' mode that tests the fan and it basically says the fan is always at 1500rpm, no matter the input

they do have 4 pins, it just that they seem to work or be properly managed by the motherboard (is that even possible?)

Tried it on chassis fan header and cpu fan header with the same results. On the chassis I can set the fan to DC mode and I can control it's speed that way.

it's using the cpu temp, I think I can't actually change that. A static fan speed of 20,50 or 100% results in the same thing: 1500rpm. I tried connecting a noctua fan to the CPU header and it seems to perform correctly, stopping the fan, reducing the rpm and all that. Faulty fans?

I'm setting a fan curve on BIOS but the lowest setting it allows to do is 50% of fan speed which I also find a bit odd. either way the fan seems to always be at 100% and not following my 'curve'.

I bought a Peerless Assassin 120 that comes with 2 fans that are supposed to be PWM but when I connected them (mobo: Asus TUF GAMING B550M-PLUS) it seems I can't configure their speed on the BIOS to be less than 50% and even at 50% they are always reporting to be running at 1500rpm. They seem to just always run at full speed. I tried debugging them by connecting to the chassis fan and it's the same if I choose PWM. If I select to control them as DC then I can lower their speed and see lower RPM from them. The motherboard doesn't allow to select DC/PWM for CPU fans. The fans are connected directly to the mobo. Is this a faulty product or mobo not working properly with them or any other idea?

Thank you very much for your suggestions, I also always had that doubt about the SE. I'll investigate if the PA120SE will fit properly with my RAM and all of that. The SE is actually more expensive today (prices float a lot) so today it's PA120 -42€ PA120 SE - 47€. I would probably just get the cheaper one at the time. Problem with noctua is it's price tag. It's 100€. For 100€ I don't buy my intended 5800x but the 5800x3d which would be a great upgrade Although I do have some coupons and partner discounts so my final prices would be: noctua D12L - 52€ PA 120 - 34€ thanks again for great feedback

Looks like I get them from amazon.es. peerless assassin 120 at 55€ peerless assassin 120 SE at 42€ They are cheaper with probably same performance. Question is: are they gonna be quieter than a noctua?

Would love that but can’t get thermal right stuff in my country and my local Amazon has those very very overpriced so it makes them similar to noctua

I need to a buy a new cooler for a 5800x to put on a case cooler master silencio 352. My main goal with this upgrade is to be as quiet as possible in low usage of the cpu. I was gonna buy the D12L to fit my case since it says the limit for the cooler is 155mm but I've since saw many builds with that case using 158mm coolers so it seems there's a bit of tolerance there. Per Noctua performance rating the U12A is better and in my country it's only 7€ more expensive than the D12L. My question is if the U12A will be quieter and is worth the extra bucks or the D12L is more than enough for my needs?