Personal computing discussed

Moderators: SpotTheCat, Nemesis

 
evilpaul
Gerbil
Topic Author
Posts: 53
Joined: Mon Jan 11, 2010 6:59 pm

High wattage PSUs with 0 RPM mode or super low noise?

Fri Dec 30, 2016 6:10 pm

I'm looking for PSU suggestions. I've got a Corsair 750D Airflow case, so the PSU is mounted in the bottom and isolated from the rest of the system. I've got a 4690K running at 1.3v with a H115i CLC and Geforce 1080. I'd guess under load with everything else thrown in I'm not using much more than 500W if that.

So I'm looking for a PSU that can satisfy the following:
1) Passively cooled (with no coil whine from the PSU; not sure if that's a potential problem) below a certain power draw. Hopefully a high enough threshold the CPU can be at 100% load without the fan kicking on.
2) Modular.
3) Enough wattage to throw in a second 1080 GPU (or some future ~300W single GPU), or a switch to an overclocked Intel HEDT chip, or both.
4) Gaudy RED (or programmable RGB I can make red) LEDs inside the PSU would be a tiny plus, but not really important.
 
Vhalidictes
Gold subscriber
Gerbil Jedi
Posts: 1682
Joined: Fri Jan 07, 2005 2:32 pm
Location: Paragon City, RI

Re: High wattage PSUs with 0 RPM mode or super low noise?

Fri Dec 30, 2016 6:18 pm

That's a tough set of requirements. I'm not aware of anything fanless / passively cooled with those requirements, but there are PSUs that don't turn the fan on until needed.

For two examples, you could look at Seasonic SS-750KM3 or Siverstone SST-ST70F-TI.
 
JustAnEngineer
Gold subscriber
Gerbil God
Posts: 17735
Joined: Sat Jan 26, 2002 7:00 pm
Location: The Heart of Dixie

Re: High wattage PSUs with 0 RPM mode or super low noise?

Fri Dec 30, 2016 7:14 pm

Try the $175 SeaSonic Platinum SS-1050XP3 or SS-860XP2 or their flagship Prime Titanium SSR-850TD for $171-20MIR, reviewed here.  JonnyGuru doesn't give many products a full 10 out of 10.
i7-6700K, NT06-Pro, GA-Z170N-Gaming5, 32 GiB, RX Vega56, SM951, 5TB HDD, Blu-ray, FTZ01, SX800-LTi, C32HG70, RK-9000BR, MX518
 
Waco
Gold subscriber
Minister of Gerbil Affairs
Posts: 2034
Joined: Tue Jan 20, 2009 4:14 pm
Location: Los Alamos, NM

Re: High wattage PSUs with 0 RPM mode or super low noise?

Fri Dec 30, 2016 8:37 pm

I'm not sure I get the requirements. Most good modern PSUs make little if any noise even when extremely loaded down...at which point your GPU and CPU fans are going to be making a lot more of a racket.
Z170A Gaming Pro Carbon | 6700K @ 4.5 | 16 GB | GTX Titan X | Seasonix Gold 850 | XSPC RX360 | Heatkiller R3 | D5 + RP-452X2 | Cosmos II | Samsung 4K 40" | 480 + 240 + LSI 9207-8i (128x8) SSDs
 
continuum
Gold subscriber
Gerbil Team Leader
Posts: 217
Joined: Mon Jun 09, 2003 1:42 am
Location: California
Contact:

Re: High wattage PSUs with 0 RPM mode or super low noise?

Fri Dec 30, 2016 9:06 pm

Pretty common among high-end units is a 0rpm or a very low fan speed... eVGA SuperNOVA P2 units in particular are probably also worth a look in addition to the high-end Seasonic's, as well as the Corsair AX units.

Jonnyguru, SilentPCReview, and quite a few other quality PSU review sites are pretty good about indicating when the PSU fan is not spinning as well if memory serves.
 
evilpaul
Gerbil
Topic Author
Posts: 53
Joined: Mon Jan 11, 2010 6:59 pm

Re: High wattage PSUs with 0 RPM mode or super low noise?

Fri Dec 30, 2016 10:58 pm

I didn't mean a unit that had no fan and was entirely passively cooled, just that it would be inaudible because of the fan being off entirely or spinning at low RPM when the CPU and/or GPU aren't under heavy load and a lot of power is being used. I was aware the feature existed, but haven't been shopping for a PSU in a couple years and never was in the market for a 600W+ one, so I wasn't sure if there was like a Coolermaster EVO 212 of PSUs that's widely recommended, cheap, but effective and reliable and people would say "get this one!"

I'll check the reviews sites mentioned and see check the brands/series/models suggested on Amazon and Newegg. Thank you everybody. Any additional input's welcome.
 
DPete27
Grand Gerbil Poohbah
Posts: 3186
Joined: Wed Jan 26, 2011 12:50 pm
Location: Wisconsin, USA

Re: High wattage PSUs with 0 RPM mode or super low noise?

Fri Dec 30, 2016 11:08 pm

EVGA's G2 lineup has been one of the better platforms lately.  They have semi-passive operation.  It looks like you could run a pair of GTX1080's with a 750W PSU, so the EVGA 750 G2 for $90 after MIR would fit the bill nicely.  Heck, it was recommended by TR in their December system build guide, what more is there to say?
Main: i5-3570K, ASRock Z77 Pro4-M, MSI RX480 8G, 500GB Crucial BX100, 2 TB Samsung EcoGreen F4, 16GB 1600MHz G.Skill @1.25V, EVGA 550-G2, Silverstone PS07B
HTPC: A8-5600K, MSI FM2-A75IA-E53, 4TB Seagate SSHD, 8GB 1866MHz G.Skill, Crosley D-25 Case Mod
 
the
Gold subscriber
Gerbil Elite
Posts: 851
Joined: Tue Jun 29, 2010 2:26 am

Re: High wattage PSUs with 0 RPM mode or super low noise?

Sat Dec 31, 2016 12:20 am

Corsair has the RM series that features the 0 RPM mode until it hits a certain wattage and/or temperature. However earlier versions were a bit bugged where it could go into autoshut down before the fan was able to cool things off. You'd lose unsaved work but this did keep things intact where they could power on after everything cooled down again. A PSU is one of those things you want to invest in a reliable unit so I'd play it safe and avoid the Corsair RM series.
Dual Opteron 6376, 96 GB DDR3, Asus KGPE-D16, GTX 970
Mac Pro Dual Xeon E5645, 48 GB DDR3, GTX 770
Core i7 3930K@4.2 Ghz, 32 GB DDR3, GA-X79-UP5-Wifi
Core i7 2600K@4.4 Ghz, 16 GB DDR3, GTX 970, GA-X68XP-UD4
 
KingLear
Gerbil
Posts: 24
Joined: Wed Mar 11, 2015 1:01 am

Re: High wattage PSUs with 0 RPM mode or super low noise?

Sat Dec 31, 2016 1:14 am

Check out the Seasonic power supplies. Very quiet. When my 'gold certified' unit failed after about 2 years they immediately sent me a new one (5 year warranty). Some even have a 7 year warranty. That's important because the power supply is the most likely thing to fail.
 
Kougar
Silver subscriber
Minister of Gerbil Affairs
Posts: 2046
Joined: Tue Dec 02, 2008 2:12 am
Location: Texas

Re: High wattage PSUs with 0 RPM mode or super low noise?

Mon Jan 02, 2017 2:08 am

the wrote:
Corsair has the RM series that features the 0 RPM mode until it hits a certain wattage and/or temperature.  However earlier versions were a bit bugged where it could go into autoshut down before the fan was able to cool things off.  You'd lose unsaved work but this did keep things intact where they could power on after everything cooled down again.  A PSU is one of those things you want to invest in a reliable unit so I'd play it safe and avoid the Corsair RM series.

Not a fan of turning off the fan, but I've seen the Corsair models demonstrated with it and would second those. You're gonna pay a lot for a 1Kw or higher model that has it though as generally lower wattage PSUs won't support the feature.
 
DancinJack
Grand Gerbil Poohbah
Posts: 3186
Joined: Sat Nov 25, 2006 3:21 pm
Location: Kansas

Re: High wattage PSUs with 0 RPM mode or super low noise?

Mon Jan 02, 2017 3:03 am

I'll plop in another vote for Seasonic. I have the SS-660XP2 and have quite literally never heard it once.

They also have the PRIME series as already mentioned. I'm not sure I'd pay that much for a PSU considering the wealth of options on the market, but hey who am I to discourage quality product use.

FWIW, I don't think you should really be looking at a power supply in which you're going to be using only ~50 percent of its rated capacity (usually where the fan turns on in these hybrid mode fan curves). These newer power supplies are really very quiet, and you'll be better served all things considered with a power supply that fits your needs more closely. I think the 750W or at most 850W models would do quite well in this application.
i7 6700K - Z170 - 16GiB DDR4 - GTX 1080 - 512GB SSD - 256GB SSD - 500GB SSD - 3TB HDD- 27" IPS G-sync - Win10 Pro x64 - Ubuntu/Mint x64 :: 2015 13" rMBP Sierra :: Canon EOS 80D/Sony RX100
 
anhbloginc
Gerbil
Posts: 21
Joined: Thu Dec 29, 2016 8:13 am
Location: /etc/pwd

Re: High wattage PSUs with 0 RPM mode or super low noise?

Sat Jan 21, 2017 3:48 am

evilpaul wrote:
I'm looking for PSU suggestions. I've got a Corsair 750D Airflow case, so the PSU is mounted in the bottom and isolated from the rest of the system. I've got a 4690K running at 1.3v with a H115i CLC and Geforce 1080. I'd guess under load with everything else thrown in I'm not using much more than 500W if that.

So I'm looking for a PSU that can satisfy the following:
1) Passively cooled (with no coil whine from the PSU; not sure if that's a potential problem) below a certain power draw. Hopefully a high enough threshold the CPU can be at 100% load without the fan kicking on.
2) Modular.
3) Enough wattage to throw in a second 1080 GPU (or some future ~300W single GPU), or a switch to an overclocked Intel HEDT chip, or both.
4) Gaudy RED (or programmable RGB I can make red) LEDs inside the PSU would be a tiny plus, but not really important.

For 100% quiet, I would go for fanless product, such as https://seasonic.com/product/platinum-520/
With the fan but almost silent, try Snow Silent 750 or 1050.
https://seasonic.com/product-category/c ... -products/
 
blahsaysblah
Gerbil Elite
Posts: 580
Joined: Mon Oct 19, 2015 7:35 pm

Re: High wattage PSUs with 0 RPM mode or super low noise?

Sat Jan 21, 2017 7:50 am

Going fanless with your case might be a bad choice. The requirement for fanless is convection, so side with the big fan which normal sucks in air should be facing up to allow heat to rise and escape. During load, your PSU would be getting hot GPU/case air forced throw it, which is fine only if you have dedicated fan or really good air flow setup.

As for silent operation during web browsing,... im very happy with my Corsair SF450. Have had since May of last year. Never seen the fan every come on during normal usage. I've pushed as high as around 200watts for extended periods of time w/o fan coming on. But i also have mine in good fanless setup, top of case, vent out of top...

In short, if you want good fanless operation, you need to have it setup in a proper fanless setup. If you have good airflow, you'll probably be OK for idle/browsing usage. Remember fanless, means vent up for convection. Read the manual for the PSU you are looking at for the fine print, for fanless operation, it likely has quite strict requirements.
 
anhbloginc
Gerbil
Posts: 21
Joined: Thu Dec 29, 2016 8:13 am
Location: /etc/pwd

Re: High wattage PSUs with 0 RPM mode or super low noise?

Sun Jan 22, 2017 10:39 am

Each line has its own pros and cons. Depending on the setup, we will use the right one, right? Currently, I'm using one fanless for my nude computer case, with water cooling. There was nothing I have to worry about heating up.
 
screenwizard94
Gerbil
Posts: 16
Joined: Tue Jan 24, 2017 9:03 am

Re: High wattage PSUs with 0 RPM mode or super low noise?

Mon Jan 30, 2017 5:14 am

Based on my experience I would also reccomend the Seasonic Prime Titanium SSR-850TD. Definitely check it out.

Who is online

Users browsing this forum: No registered users and 1 guest