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Looking to get a Silent PSU.

post #1 of 23
Thread Starter 
Hi everyone!

I'm looking to replace my TX750 which, while still have been used for a couple of years, are doing just fine.
The one thing that's becoming increasingly more annoying is the fan sound. I recently replaced my Antec 1200 to a Fractal Design Define R4 in order to get the noise down.
I replaced the fans in the Antec 1200 to GT 120 mm 800rpm's but that didn't bring the noise down as much as i wanted it to so that's why i bought a new case.
I'm running the case fans included in the R4 at 5 volts with the included fan control, and have also added a Antec Truequiet 140mm which is running at 5v as well.
I've located the noise to my PSU and that's why i wanted to change it.

The system:
Ivy Bridge i5 3570k, Overclocked @ 4.3ghz, 1.216v. It's a modest overclock but my Thermalright TRUE Black are showing its age. Will be upgrading soon enough and push a 4.5ghz oc.
Asus P8Z77-V LK
Samsung Evo 840 256gb
2x1tb hdd (although they will be replaced soon)
GTX670 with reference cooler. Will replace the cooler with a EKL Alpenföhn Peter 2 and 2x 120mm in the future. Likely upgrading the card in the near future as well but not prioritized.


So, what's the recommendation?
I did a search and found two interesting models but i wanted to get some input from you guys. Noise is the far more important aspect.
I will never run SLI and likely never overclock the gpu.
The two models that i've seen that's interesting are:
NZXT Hale90.
Be-Quiet Dark Power BQT P10 Pro.

I'm pretty sure i don't need a 750w, right? The be-quiet is quite expensive but if i can drop it down to something like 550w it gets a lot more interesting.

Also i would be interested in a model that regulates and/or shuts off fans during idle. I run my computer 24/7 in my bedroom but i don't need the psu fan spinning all the time.

Thanks in advance!

EDIT: I will add another fan or two in the future but i'd like to get the noise level down to an acceptable level before i replace the included 140mm.

EDIT 2: Oh i forgot. Modular would be a nice for a change, although not necessary. Noise is the main concern wink.gif
Edited by lainx - 4/15/14 at 5:59am
post #2 of 23

With that system, I don't see how it could be the fan. Your system while gaming never pulls more than 300-325W. It HAS to be something else. That's only 40 to 43.3% of the PSUs total continuous capacity.

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It's a computer!
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post #3 of 23
Both the Dark Power Pro and NZXT HALE 90 are overpriced for what you get.
If you want something that is quiet then the Super Flower Golden Slilent or its KingWin and Rosewill rebrands are as quiet as you can get as its 100% fanless

Where are you from you dont say anything about that
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post #4 of 23
I think something like 450W is already enough if it's a PSU where the 450W it's sold at are purely about what it can do for 12V while ignoring its 5V and 3.3V stuff. To check that, you look at the label and what's mentioned for the 12V section. If it does not mention the Watts, only Ampere, multiply that by 12 to get the Watts, for example 12V * 37A = 444W.

The BeQuiet fans are perfect. That PSU should be a safe choice regarding noise, but you might also want to look at their less expensive models as their fans are probably great in general.

Also look at the Seasonic X-series as it might be similar price. It's very efficient which means it should stay cool which means the fan hopefully never runs fast. Their website also mentions they use Sanyo Denki fans (a quiet model) which might be the best. It does shut off the fan if it's only used below 20%. There are also models that are actually fanless at 460W or so, though I'd worry if the case air flow hits it enough with it installed at the bottom of the case.

I recently replaced two normal 7200 RPM HDDs with a WD Red 3 TB which runs at 5400 RPM. The thing is seriously impressive regarding noise. It also seems to be pretty fast despite those 5400 RPM, probably because the SSD with Windows and programs makes it so that it only ever has to do work on a single task for a single program/game.

To not make a mistake about where to invest money (I'm also thinking the noise might not be your PSU's fault), you might want to check everything with a stethoscope or something. I never tried those $3 stethoscopes but I bet they are good enough for this. tongue.gif The ghetto method to check things is using a cardboard tube (like an empty kitchen paper towel roll or toilet paper roll) and listening through that, ghetto method to replace a stethoscope is holding a screwdriver's tip onto a metal part while having the screwdriver's handle stuffed into your ear and you'll hear a clear sound of all vibrations inside that metal part.
post #5 of 23
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

With that system, I don't see how it could be the fan. Your system while gaming never pulls more than 300-325W. It HAS to be something else. That's only 40 to 43.3% of the PSUs total continuous capacity.

I've done rigorous testing and it's the psu fan. It doesn't have an unpleasant sound signature at all but it's far too loud compared to all the other stuff. The only thing that goes louder is the gpu fan whenever i'm gaming but never in idle. The reference cooler isn't great (i have the KFA2 GTX 670), which is why i'm replacing it after the PSU.
Note that that Corsair TX750 is about 6 years old (i think i bought it back in '08) so i'm going to assume that the fan isn't in the greatest shape.
I have considered changing the fan inside the unit but from what i could tell it was only fitted with a 2-pin one.
I might be wrong though since it's been a while since i opened it up.
Quote:
Originally Posted by shilka View Post

Both the Dark Power Pro and NZXT HALE 90 are overpriced for what you get.
If you want something that is quiet then the Super Flower Golden Slilent or its KingWin and Rosewill rebrands are as quiet as you can get as its 100% fanless

Where are you from you dont say anything about that

I'm located in Sweden, and im vary of running fanless, mainly because of coil whine. Also, the price is usually a lot higher.
Quote:
Originally Posted by deepor View Post

I think something like 450W is already enough if it's a PSU where the 450W it's sold at are purely about what it can do for 12V while ignoring its 5V and 3.3V stuff. To check that, you look at the label and what's mentioned for the 12V section. If it does not mention the Watts, only Ampere, multiply that by 12 to get the Watts, for example 12V * 37A = 444W.

The BeQuiet fans are perfect. That PSU should be a safe choice regarding noise, but you might also want to look at their less expensive models as their fans are probably great in general.

Also look at the Seasonic X-series as it might be similar price. It's very efficient which means it should stay cool which means the fan hopefully never runs fast. Their website also mentions they use Sanyo Denki fans (a quiet model) which might be the best. It does shut off the fan if it's only used below 20%. There are also models that are actually fanless at 460W or so, though I'd worry if the case air flow hits it enough with it installed at the bottom of the case.

I recently replaced two normal 7200 RPM HDDs with a WD Red 3 TB which runs at 5400 RPM. The thing is seriously impressive regarding noise. It also seems to be pretty fast despite those 5400 RPM, probably because the SSD with Windows and programs makes it so that it only ever has to do work on a single task for a single program/game.

To not make a mistake about where to invest money (I'm also thinking the noise might not be your PSU's fault), you might want to check everything with a stethoscope or something. I never tried those $3 stethoscopes but I bet they are good enough for this. tongue.gif The ghetto method to check things is using a cardboard tube (like an empty kitchen paper towel roll or toilet paper roll) and listening through that, ghetto method to replace a stethoscope is holding a screwdriver's tip onto a metal part while having the screwdriver's handle stuffed into your ear and you'll hear a clear sound of all vibrations inside that metal part.

This is exactly what i did. The ghetto mod that is tongue.gif
And the noise seem to originate from the PSU from what i could tell. Remember, it's still a pleasant hum with no weird noise signal, it's just that the psu fan is louder than all the other stuff.
The hdd's inside is two 5400rpm i believe (wd greens).

I'm also extremely sensitive to sound so what some might not perceive as loud, i usually do. Besides, since the PSU is already 5+ years old, i should as well replace it. My server is in need of a psu with higher watt anyhow so i'll just use the TX750 in there.
Edited by lainx - 4/15/14 at 7:51am
post #6 of 23
Quote:
Originally Posted by lainx View Post

I've done rigorous testing and it's the psu fan. It doesn't have an unpleasant sound signature at all but it's far too loud compared to all the other stuff. The only thing that goes louder is the gpu fan whenever i'm gaming but never in idle. The reference cooler isn't great (i have the KFA2 GTX 670), which is why i'm replacing it after the PSU.
Note that that Corsair TX750 is about 6 years old (i think i bought it back in '08) so i'm going to assume that the fan isn't in the greatest shape.
I have considered changing the fan inside the unit but from what i could tell it was only fitted with a 2-pin one.
I might be wrong though since it's been a while since i opened it up.
I'm located in Sweden, and im vary of running fanless, mainly because of coil whine. Also, the price is usually a lot higher.

How much can you spend?

If 1000-1100 is not too much you can get this
http://cdon.se/hemelektronik/fractal-design/power-fractal-design-newton-r3-600w-atx-p21218286
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Seravee
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post #7 of 23
Thread Starter 
Quote:
Originally Posted by shilka View Post

How much can you spend?

If 1000-1100 is not too much you can get this
http://cdon.se/hemelektronik/fractal-design/power-fractal-design-newton-r3-600w-atx-p21218286

~1000-1500 is about what i feel comfortable at spending. I was looking at that earlier but i forgot to add it to the list.
post #8 of 23
Quote:
Originally Posted by lainx View Post

~1000-1500 is about what i feel comfortable at spending. I was looking at that earlier but i forgot to add it to the list.

http://www.overclock.net/t/1391520/fractal-design-power-supplies-information-thread
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Seravee
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post #9 of 23
Thread Starter 

Thanks, will check it out.
Although this feels somewhat discouraging (note, it's written in swedish):
http://www.sweclockers.com/forum/74-chassin-och-nataggregat/1283945-newton-600w-define-trasig-4770k/
post #10 of 23
Quote:
Originally Posted by lainx View Post

Thanks, will check it out.
Although this feels somewhat discouraging (note, it's written in swedish):
http://www.sweclockers.com/forum/74-chassin-och-nataggregat/1283945-newton-600w-define-trasig-4770k/

Was that the Newton R1 R2 or R3 he had? they are nothing like each other at all
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Seravee
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LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
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