Could any of these PSU's power a GTX 580

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Amunra93

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Jan 19, 2014
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That does seem like a good choice.......will def be m

I am thinking of obtaining this PSU

http://www.newegg.com/Product/Product.aspx?Item=N82E16817153166

Thermaltake TR2 TR-600 600W ATX12V v2.3 SLI Ready CrossFire Ready Power Supply

has a limited rebate for $20 off, has 3000 reviews with 2000 of them being 5 star.


+3.3V@22A, +5V@18A, +12V1@23A, +12V2@20A, -12V@0.3A, +5VSB@2.5A

Are the PSU's ratings.

If a psu has two 12 volt rails does this mean that it would not be strong enough for a gtx 580?

Or could the wattage be combined to p

I did a search from the reviews and someone running a gtx 580 with much more TDP requirements (overclocked, liquid cooling, multiple ssds, OC'd cpu reported this PSU as working fine.

Would greatly appreciate a response.
 
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Deleted member 217926

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Look at where the Thermaltake TR2 is on the list I linked to. Tier 5. One of the worst quality models on the market. Use it at your own risk.
 
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littleleo

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May 8, 2009
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Nvidia recommends a 600w power supply for the GTX580. I sell all the brands and models you listed. The Coolmax is for bargain systems to be polite, not for a good gaming build. The Coolmaster is under powered for this, and SolidGear is new to me it doesn't have much of a track record but it seems like a lower end power supply. In my mind the better brands are Antec, Corsair, Seasonic, Enermax, EVGA, XFX and Thermaltake.

Try this link for Johnny Lucky Power Suppy-Supply:
http://www.johnnylucky.org/power-supplies/psu-recommendations.html
 
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Dark Lord of Tech

Dark Lord of Tech

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Solution
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littleleo

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littleleo

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A 770 is more power effient then a 580 even though its more powerful.
Both models I list are 600w not 550w and both appear to offer more AMPs.

The EVGA spec are

ATX12V / EPS12V
80 PLUS BRONZE Certified
100 - 240 V 50/60 Hz
+5V@20A, +3.3V@24A, +12V@49A, -12V@0.3A, +5VSB@3A

and the Corsair specs are

ATX12V v2.3
Modular
80 PLUS BRONZE Certified
100 - 240 V 47 - 63 Hz
+3.3V@25A, +5V@25A, +12V@46A, -12V@0.8A, +5VSB@3A


and the XFX are

ATX12V 2.2 & ESP12V 2.91
80 PLUS BRONZE Certified
90 - 264 V 47 - 63 Hz
+3.3V@24A, +5V@24A, +12V@44A, -12V@0.5A, +5VSB@2.5A
 
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Deleted member 217926

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You don't seem to understand power requirements very well. Watts do not matter as much as amps. Specifically amps on the 12v rail. A high quality power supply will deliver a large percentage ( up to 100% ) of it's power rating on the 12v rail alone since that is the most important and most used rail.

A GTX 580 needs 40 amps on the 12v rail. Since amps x volts = watts you can see the XFX unit SR-71 recommended delivers 44 amps on the 12v rail for 528 watts of it's 550w rating. The Corsair CX600 in addition to using substandard Chinese made capacitors ( The sub 1000w EVGA units do as well ) only adds 2 amps to that for 46 amps on the 12v rail. Meaning although it's rated 600w it only supplies 552 of those watts on the 12v rail. The XFX supplies a higher percentage where it matters and more than exceeds the 40 amp requirements of the GTX 580.

So there is no issue. Don't unselect best answers when you don't understand the basics in the future please.
 
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littleleo

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I agree amps are very important but Nvidia doesn't seem to mention the AMP requirement as much as it list the Watts requirement. If the requirement says 600watts I think he should use a 600w power supply of a good brand not a 550watt model. I did list a Seasonic model for consideration, personally I've used a Seasonic gold model and I hated it. The connectors for the sata ports were extremely tight on the Sata bus and after running for 1 day it died. Yep even the almighty Seasonic has bad units now and then.

As to unselecting a best answer I did that when I hit select best answer button by mistake when I was posting a reply and hit the wrong button. Since I didn't pose the question I don't think I should select the best answer do you? I hope you understand how that should work.
 
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Deleted member 217926

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All I can say is, I can explain it to you but unfortunately, I can't understand it for you. Nvidia's recommendation is one size fits all and has to be due to people using low quality power supplies that can't supply their rated power. A 44 amp unit is sufficient even if it was labeled 250 watts.
 
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littleleo

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Remember at the beginning of this thread the question was would a Coolmax model or a SolidGrear model be enough to power a GTX580. I think many of the models listed would be sufficiently powerful to run a GTX580, the XFX model listed was a 550w if you feel after all your calculations it works, that is fine with me. I hope that makes you feel better you seem to be freaking out over this. I don't know any 250watt power supplies with 44amps so I'll say stick to a good quality 600w model.
 
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