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Help to find PSU for my Specs. - Page 2

post #11 of 26
Quote:
Originally Posted by RumAK47 View Post

EVGA 650-G2 have 55amps at +12 line and cost on my country 114 USD and have enought 7 years variantly.

Corsair RM650X 80Plus have 54A at +12 line Gold ost on my country 118 USD and have 10 years variantly.

Both are solid choices, can't go wrong with either.

But, if you don't mind, could you tell us what country you're at? That would make it significantly easier to recommend something that might be better value.
post #12 of 26
The G2 and RMx are so close that they are pretty much equal
So get the cheapest option which in this case is the G2.
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post #13 of 26
About psu calculators, the coolermaster calc is ok.
http://www.coolermaster.com/power-supply-calculator/
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post #14 of 26
Thread Starter 
Gilles3000 im from Poland.



Quote:
Originally Posted by michael-ocn View Post

About psu calculators, the coolermaster calc is ok.
http://www.coolermaster.com/power-supply-calculator/

this calculator says:

Results:
Load Wattage: 547 W
Recommended PSU Wattage: 597 W

edit///
i find XFX Black Edition XTR 650W Fully Modular 135mm 80+ Gold cost 100 USD with 5 years warranty.


edit///
and i find
EVGA SuperNOVA 650 G2 with 10 years warranty

edit///

Reading the internet..
EVGA G2 With SuperFlower inside is better then XFX with seasonic inside with is better than corsair. right?
Edited by RumAK47 - 8/28/16 at 11:25am
post #15 of 26
Quote:
Originally Posted by RumAK47 View Post

Gilles3000 im from Poland.

The Corsair Vengeance 650M is surprisingly good and only PLN 317
https://cenowarka.pl/corsair-vengeance-650m-650w-atx-2-4-cp-9020112-de-a1405283.html?hloc=pl
post #16 of 26
Thread Starter 
price to 120 USD is ok for me, im locking for GooD PSU for years. And for SPEC upgrade.
post #17 of 26
Quote:
Originally Posted by RumAK47 View Post

price to 120 USD is ok for me, im locking for GooD PSU for years. And for SPEC upgrade.

Then the G2 or RMx are what you're looking for.
post #18 of 26

Sigh.

 

Again:

 

Just to give you an example of how bad that PSU calculator is, here's what it says for my sig rig:

 

http://outervision.com/b/IXdE5s

 

That's with "1 hour per day" selected. Here's with "Always On (24/7)" selected:

 

http://outervision.com/b/Smx3Au

 

But, the highest power consumption I have ever seen according to my Kill A Watt is about 361W (I saw 425W, so with exactly 85% efficiency that's 361.25W) - and that was very difficult to achieve. I had to really put some major effort into getting it up that high. That means my power consumption will never exceed 360W.

 

Now, according to MSI Afterburner, my GTX 780's overvoltage is +38mV. I don't know what that equates to as an Overvoltage percentage, but this so-called "PSU calculator" is already extremely inaccurate and so it would be a waste of my time to try and figure it out.

 

So yeah, that PSU calculator isn't a calculator at all. At best, it's an estimator, and it's a horrible one! Don't trust it. Again, as you can see, at minimum, it's 263W above my actual. At maximum, it's 301W above my actual. Or, if we go by the recommended PSU wattage, then it ranges from being 313W above my actual all the way to a whopping 351W above my actual.

 

Unfortunately, there is no PSU calculator in existence that is accurate.0

 

 

Edit: For fun, I decided to see what it would say if I chose 50% CPU utilization with just 1 hour per day usage:

 

http://outervision.com/b/4xwJrZ

 

This thing is HORRIBLY inaccurate!

 

Here's another "calculation" with my GTX 780 at stock (full reference stock according to this "calculator"), 50% CPU utilization, and 1 hour per day usage:

 

http://outervision.com/b/1OsKns

 

What the freakin' hell? THERE'S NOTHING I CAN DO TO MAKE IT EVEN REMOTELY ACCURATE! Good lord!

 

 

 

DO NOT USE PSU CALCULATORS! THEY ARE ALL EXTREMELY INACCURATE.

 

I'm getting absolutely sick and tired of spending my valuable time explaining this only to have someone a few posts later RECOMMEND USING A PSU CALCULATOR! Goddamit. Yes @michael-ocn, I'm talking about you. I'm sorry. YOU CANNOT TRUST ANY PSU CALCULATOR, and therefore they should not be used. At all. They are NOT calculators, they are ESTIMATORS, and they are VERY BAD ESTIMATORS.


Edited by TwoCables - 8/28/16 at 3:07pm
It's a computer!
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It's a computer!
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post #19 of 26

So anyway, as I have CLEARLY shown already, a good quality-made 550W PSU would be ABSOLUTELY ENOUGH. Stop believing these goddamn PSU calculators. They are MISLEADING YOU.

It's a computer!
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Toshiba 3TB P300 
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It's a computer!
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i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveHard Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Toshiba 3TB P300 
Optical DriveOptical DriveCoolingOS
Samsung SH-S243N 24x DVD Burner Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail 
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AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 
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post #20 of 26
@TwoCables, not sure you noticed but i referenced a different tool and it suggests 550w +/- depending on how heavy or light an overclock i dial in for the OP's system. Most of them seem to grossly overestimate the power requirements, but not this one, this one seems to be in the ballpark.

http://www.coolermaster.com/power-supply-calculator/

It recommends ~750W psu for my rig sig which I think is about right. That's more than enough for any load the system will see but not insanely so. A psu that capacity would be functioning right in a good efficiency zone and have some room for degradation. The highest I've seen for my system is about 550w from the wall (kill-a-watt).
Edited by michael-ocn - 8/28/16 at 3:37pm
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