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-   -   Is my PSU good enough? (http://www.hardwarecanucks.com/forum/video-cards/57964-my-psu-good-enough.html)

darkevin November 19, 2012 06:44 AM

Is my PSU good enough?
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Hi, I'm planning to upgrade my gt440 to a hd7850 or hd7870 (whichever that my PSU can support) I'm using an Asus m5a78l-m lx motherboard with 2x4gb ddr3 ram and a Seagate Barracuda 500gb with AMD fx-4100 the gt440 is just a middle-class gpu and it just uses 65w max -GeForce GT 440 | Specifications | GeForce the hd7850 needs 130w - GeForce GT 440 1.5GB vs Radeon HD 7850 Performance Comparison Benchmarks @ Hardware Compare (don't look at the gt440 as im using a 1gb ver. instead of 1.5gb) I used the PSUcalculator from extreme.outervision.com but ends up i only needs 339w with the hd7850, so does this means my PSU can support the hd7850 flawlessly? changing to the hd7870 and it shows i need 362w recommended I have a TreeTop TA80 450w which is actually by AcBel, a taiwanese company. It would be hard to find on google so i've attached an image. Hope it helps.

sswilson November 19, 2012 07:07 AM

You're going to have to add some information about your PSU if you want folks to offer constructive advice.

bliz November 19, 2012 07:09 AM

Yeah,because i would like to know the name and the wattage of the PSU :haha:

Bond007 November 19, 2012 10:11 AM

Brand model wattage of you power supply?

486 November 19, 2012 08:49 PM

Darkevin, I know the answer to your question. Hopefully that helps!

TedShackley November 20, 2012 04:38 AM

I don't know anything about that brand, but something I think is common with lower end PSUs is over rating their max wattage. So it might not actually deliver 450W, and another thing is how "clean/dirty" the actual voltage is at higer load levels.

I've ran my 6950 on a cheapo 500W a few times, not something I like doing, so for my backup rig I'm going to get a new 1.

Here's too that are cheap but seem very good, I was considering these

Corsair CX430 V2 Power Supply Review | Hardware Secrets
Corsair CX Series CX430 430W ATX 12V 80 Plus Bronze Power Supply 140mm Fan - DirectCanada

Corsair CX Series CX500 500W ATX 12V 80 Plus Bronze Power Supply 140mm Fan - DirectCanada
can't find the reviews for that 1 I was using 2 weeks ago, but they're out there somewhere

KaptCrunch November 20, 2012 05:26 AM

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the arrows are what concerns you the 12v rail 1 is for cpu 12v rail 2 for pci-e

Seasonic S12II 620W EPS12V 20/24PIN ATX Power Supply Active PFC 80+ Bronze 6+8PIN PCI-E W/ 120MM Fan with http://www.seasonic.com/pro_pic/80plus_gold.gifrating or any PSU with 80 plus rating

maverick_brent November 20, 2012 06:21 AM

In my opinion, i'd replace it, the price of a more reputable power supply, such as the seasonic Kapthas suggested is the best bet. PSU is the most important part of your psu IMHO

bliz November 20, 2012 08:05 AM

Same, i would not believe that PSU,i would replace with a Corsair or a Be Quiet! that is 80+ bronze or more.A 500W is not that expensive.It would cost much more if that PSU fails.

Bond007 November 20, 2012 08:31 AM

Yeah I wouldn't trust that power supply with a decently priced graphics card. I wouldn't plan on running it at more than 300w consistently. I would upgrade the power supply to something seasonic, xfx, corsair or antec minumum 520w range for a 7850 or 7870.

If you want to keep your power supply I wouldn't go any more power hungry than a hd 7770. A 7770 should give you a decent boost in FPS, while consuming about the same amount of power as your 440. That said with a power supply of questionable quality you always run the risk of damaging components, so I still recommend a new power supply as I mentioned earlier.

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