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Which PSU would be the best upgrade? - Page 2

post #11 of 22
Quote:
Originally Posted by TwoCables View Post
It is indeed the Earthwatts series.
Its a decent unit that should handle the gpu's at stock, don't you think.

I've heard of coil whine and such even buzzing coming from the PSU which can sometimes be mistaken for a defective fan. Just saying if the earthwatts wasn't enough then the rig would just shut down right.

Either way the AX850 would be a very good choice.


Need coffee lol havn't fully woken up yet.

OT:

I see the other thread got closed lol
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post #12 of 22
Quote:
Originally Posted by munaim1 View Post
Its a decent unit that should handle the gpu's at stock, don't you think.

I've heard of coil whine and such even buzzing coming from the PSU which can sometimes be mistaken for a defective fan. Just saying if the earthwatts wasn't enough then the rig would just shut down right.

Either way the AX850 would be a very good choice.


Need coffee lol havn't fully woken up yet.

OT:

I see the other thread got closed lol
hehehe "the other thread".

Anyway, that's why I asked how he knows it is at its limits.

It just occurred to me that the next step is to use a Kill A Watt because $180 is a large chunk of cash!
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post #13 of 22
Quote:
Originally Posted by TwoCables View Post
hehehe "the other thread".

Anyway, that's why I asked how he knows it is at its limits.

It just occurred to me that the next step is to use a Kill A Watt because $180 is a large chunk of cash!
A kill A Watt would be a good idea. Those gpus at stock should be fine even on EA750. The buzzing or whatever it is could be something else, maybe even one of his gpu's. It would make sense to measure the power drawn while the gpu's are at stock before thinking about getting a new PSU.
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post #14 of 22
Thread Starter 
I have a buyer for mine for $100 so its only a $70 upgrade. How many 580s would I be able to run off of the AX850? Just 2 or would it be able to handle tri-SLi?
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post #15 of 22
Only 2.

However, I am doubting that an upgrade is necessary. Can you get a Kill A Watt?
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post #16 of 22
the 850w would be plenty but might as well go with the Corsair HX1050 to allow for future upgrades so u don't have to buy yet another psu
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post #17 of 22
Quote:
Originally Posted by munaim1 View Post
Does the buzzing noise come from the psu? Also just wondering does it happen when the rig is running stock or when the system is under load?

If its the hcp or hcg series it should be fine to run the gpu's at stock. Not sure about the EA750, is that the earthwatts?
The buzzing sound is capacitor hum. In the PSU. Not fatal but definately a pain in the ears.

I would go with the Corsair 1050.. You are not pulling more power with a bigger psu. And it is more effecient to have a PSU that is not running at 90 percent capacity all its life. It could cause a capacitor to bust and start making a really annoying buzzing sound.. LOL
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post #18 of 22
OP are your Gpu's overclocked?

Just a little curious about the buzzing noise, when does it usually happen? Gaming?
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post #19 of 22
Thread Starter 
Quote:
Originally Posted by munaim1 View Post
OP are your Gpu's overclocked?

Just a little curious about the buzzing noise, when does it usually happen? Gaming?
It happens whenever I start up a game or open up photoshop. It's really painful when I've built my system to be as quiet as possible. I think that right now its up between the 2 1000W PSU's, is $20 worth it to get a corsair instead of silverstone?
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post #20 of 22
Quote:
Originally Posted by ShortySmalls View Post
the 850w would be plenty but might as well go with the Corsair HX1050 to allow for future upgrades so u don't have to buy yet another psu
What kind of future upgrades? I mean, the AX850 is a top-of-the-line power supply with a very large capacity.


Quote:
Originally Posted by unimatrixzero View Post
The buzzing sound is capacitor hum. In the PSU. Not fatal but definately a pain in the ears.

I would go with the Corsair 1050.. You are not pulling more power with a bigger psu. And it is more effecient to have a PSU that is not running at 90 percent capacity all its life. It could cause a capacitor to bust and start making a really annoying buzzing sound.. LOL
His system would not make the AX850 at 90% of its capacity all of its life. The only time the load would begin to approach 80 to 90% is when running something like Furmark. Gaming uses even less power.

This is why I want to see what readings he gets from a Kill A Watt.


Quote:
Originally Posted by Shozzking View Post
It happens whenever I start up a game or open up photoshop. It's really painful when I've built my system to be as quiet as possible. I think that right now its up between the 2 1000W PSU's, is $20 worth it to get a corsair instead of silverstone?
Really, the AX850 would be more than enough, it would be quiet, and it's fully modular to boot.
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It's a computer!
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Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
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Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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