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Silent PSU and wattage question

post #1 of 23
Thread Starter 
I've been musing lately on beginning the process of upgrading my machine and I wanted some help. I have been narrowing down a case and think I'll go with the FD Define R4, but the next question I had was about getting a silent/quiet PSU. I Don't want to spend a lot of money (read over 200 is not desirable), but I wondered what the benefit of getting a higher wattage PSU vs a more close wattage to what I would actually use (idea being intel + single gpu in the 680 range, whenever I get to that stage) was in comparison to the noise factor. Many of the quieter PSU's have the fan off below a threshold and I wondered as I don't know them well whether it is worth it for the ambient noise reduction to get a higher wattage PSU or something with closer to my needs. Thanks in advance!

I've looked briefly at the Seasonic x-1050 and a few of the recommended low-noise PSU's here.
post #2 of 23
Look at Seasonic hybrid psus like the 660 platinum a 1050 would only be good for quad/tri-sli and is way overkill for single gpu.
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post #3 of 23
Thread Starter 
yea, what I kind of figured would be the case. Thanks for the quick response!
post #4 of 23
If only running CPU and single GPU, I really think you should get the Kingwin STR-500 FL Platinum or Rosewill SilentNight.

Seasonic has a lot of issues with coil whine which would not make a PSU inaudible. You will definitely hear a high pitched whine in the background. I love how efficient and well made Seasonic PSUs perform, but after seeing so many issues with their platinum series, I've switched over to Superflower made PSUs.

Newegg has the SilentNight on sale! I picked up one and will get it on Monday. Waiting to see if it lives up to SPCRs review.
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post #5 of 23
Quote:
Originally Posted by ohhgourami View Post

If only running CPU and single GPU, I really think you should get the Kingwin STR-500 FL Platinum or Rosewill SilentNight.

Seasonic has a lot of issues with coil whine which would not make a PSU inaudible. You will definitely hear a high pitched whine in the background. I love how efficient and well made Seasonic PSUs perform, but after seeing so many issues with their platinum series, I've switched over to Superflower made PSUs.

Newegg has the SilentNight on sale! I picked up one and will get it on Monday. Waiting to see if it lives up to SPCRs review.

I second this, the Kingwin Striker 500 / Rosewill SilentNight is a very nice PSU, specially with the Newegg sale that ends 5/15, $140-20% = $112, enough to power 3770k + GTX680 easily. I would add another Fractal 140mm fan to the front so you end up with positive pressure, so the PSU becomes an exit of air and thus cooling itself with case airflow, else it will become an intake and it will get dusty.
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post #6 of 23
I think any "quiet" PSU would work fine since it probably wouldn't be any noisier than a GTX 680 at idle, let alone under load.
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post #7 of 23
Quote:
Originally Posted by Zap View Post

I think any "quiet" PSU would work fine since it probably wouldn't be any noisier than a GTX 680 at idle, let alone under load.

I was able to hear the buzzing from my old 750X over the inaudible fans...so assuming the OP wants a rig that quiet, I'd look for a truly quiet PSU. This is the "silent" section after all.
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post #8 of 23
are there any 600w or less psu's with a dynamic fan that stops under 40% load ? i always see that feature on overkill 750-850w psu's?
post #9 of 23
Quote:
Originally Posted by phill1978 View Post

are there any 600w or less psu's with a dynamic fan that stops under 40% load ? i always see that feature on overkill 750-850w psu's?
Kingwin / SuperFlower Platinum line are semi passive, but the fan doesn't activate on load but on temperature. They do manufacturer one below 600W, KINGWIN Lazer Platinum Series LZP-550 550W ATX 12V v2.2 / EPS 12V v2.91 / SSI EPS 12V v2.92 SLI Ready CrossFire Ready 80 PLUS PLATINUM Certified Modular Active PFC Power Supply



Seasonic also has X series that are semi passive PSU, also activates on temperature not on load. They have a sub 600W PSU, Seasonic SS-560KM Active PFC F3, 560W ATX12V V2.3/EPS 12V V2.91, 80Plus Gold Certified, Modular Power Supply
Quote:
The X Series adopts a clever “Hybrid Silent Fan Control” design, which offers three distinct operation modes, fanless mode, silent mode, and cooling mode. The X automatically adjusts fan mode and speed according to the ambient temperature level. This brand new design not only optimizes heat dissipation, but also prolongs lifespan of the system by reducing unnecessary fan rotation.


Edited by Abula - 5/18/13 at 4:22pm
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post #10 of 23
Quote:
Originally Posted by Abula View Post

Kingwin / SuperFlower Platinum line are semi passive, but the fan doesn't activate on load but on temperature. They do manufacturer one below 600W, KINGWIN Lazer Platinum Series LZP-550 550W ATX 12V v2.2 / EPS 12V v2.91 / SSI EPS 12V v2.92 SLI Ready CrossFire Ready 80 PLUS PLATINUM Certified Modular Active PFC Power Supply



Seasonic also has X series that are semi passive PSU, also activates on temperature not on load. They have a sub 600W PSU, Seasonic SS-560KM Active PFC F3, 560W ATX12V V2.3/EPS 12V V2.91, 80Plus Gold Certified, Modular Power Supply

thanks + Rep thumb.gif

i suppose the next concern would be seasonics / corsair cap whine / buzz (which ive had on 3 models now all different power ratings and high quality fan based units)
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