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Best psu for my graphic card.

Last response: in Graphics & Displays
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February 27, 2012 1:48:30 PM

Hi Friends, I am planning to buy a new graphics card which is zotac geforce gtx 550 ti 1GB. I doubt my PSU will run it or not as it supplies only 400 Watts which is insufficient for this card. For this reason,I am suggesting the list of PSU's which are in my budget and which i think can handle this card:

1)Cooler Master Extreme Power Plus 600W 600 Watts PSU

2)Corsair CMPSU-600GUK 600 Watts PSU

can someone please tell me if these are eligible for my card and if these are eligible, which one to buy.

My system specs:
AMD Phenom 9650 quad core processor
4gb ddr2 ram
Samsung 500 gb hard drive
Monitor resolution: 1024*768
ASUS M2N68-AM PLUS motherboard

I know mine is not a gaming rig. but please help me.!!

More about : psu graphic card

a c 376 U Graphics card
February 27, 2012 2:12:21 PM

The Cooler Master Extreme Power Plus power supplies are low quality and should be avoided. The Corsair is much better but 600w is more than you need. 500w would be fine.
FYI an original Phenom at 2.3ghz like yours is quite poor for a lot of current games. There's a decent chance your motherboard can handle AM3 chips and if so that is another upgrade you should consider when you can.
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a b U Graphics card
February 27, 2012 2:13:18 PM

Get a Radeon 7750 as it draws 55W, offers similar (slightly lower) performance than a 550Ti and will run on your current PSU. Hell, if you PSU is from a decent brand like Corsair or Antec you could get a 6850 which is pretty good.

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

If you have a good PSU :

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Like the previous guy said, get a Phenom II X4 CPU if your motherboard allows it!
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February 27, 2012 2:18:44 PM

so, an 500 W PSU is enough for my system . is it?
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a b U Graphics card
February 27, 2012 2:20:48 PM

500W is enough for most single card setups. Don't buy 550Ti it is way overpriced for the performance you get.
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February 27, 2012 2:25:02 PM

Guys , I am not a hardcore gamer. I just want a decent FPS (about 25-30) at ultra in games like BF3(Multiplayer) at my given resolution.I am not planning to upgrade my CPU just now, I just want to upgrade my crappy ati graphics card HD5450 1GB GDDR5 and want an improvement in the gameplay.I want to run BF3 maxed out at my resolution and which I think the graphics card I am going to buy does. So , please tell me just about which PSU should i buy of the above two or should i buy a 500 W PSU ?
Which PSU will be good for my card?
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February 27, 2012 2:31:30 PM

@diec4st But it gives good preformance in Games like BF3(runs at ultra at about 30 fps at my resolution) and it is of NVIDIA, which is good for my linux system(as I am a linux programmer) also, as NVIDIA provides the most updated services and drivers for it.(if you use linux, Then you would know the importance of NVidia over Ati).so, Ati Cards are out of my list of buying.I feel the Zotac Geforce GTX 550 ti is just the Right and a budget graphics card and very good for a very low resolution like mine.
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a b U Graphics card
February 27, 2012 2:50:59 PM

Hey man, i know you want performance now....but if you can just just settle for medium with the 5450, a kepler card is gonna do swell. the lowend cards are gonna be beast. So wait for NVIDIA's kepler series in about a month or 2. I think you will be happy with a GT 620
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a b U Graphics card
February 27, 2012 2:51:27 PM

in my opinion, avoid the cooler master PSU, get the Corsair. The Corsair PSU is of way better quality than the cooler master and it will last longer, for when you do finally upgrade or get a new rig, that Corsair PSU will serve you well.
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February 27, 2012 2:52:09 PM

Which one of these should I choose then?

1)Corsair CMPSU-500CXV2UK 500 Watts PSU

2)Corsair CMPSU-600CXV2UK 600 Watts PSU

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February 27, 2012 2:53:44 PM

What are these Kepler cards?
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February 27, 2012 2:54:34 PM

jonpaul37 said:
in my opinion, avoid the cooler master PSU, get the Corsair. The Corsair PSU is of way better quality than the cooler master and it will last longer, for when you do finally upgrade or get a new rig, that Corsair PSU will serve you well.



What are these Kepler cards?


edit: sorry I replied to wrong person.

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February 27, 2012 3:05:20 PM

Rockdpm said:
Hey man, i know you want performance now....but if you can just just settle for medium with the 5450, a kepler card is gonna do swell. the lowend cards are gonna be beast. So wait for NVIDIA's kepler series in about a month or 2. I think you will be happy with a GT 620


I dont want a low end card. The Kepler Card you are mentioning , i think are low end cards. Whereas my zotac 550 ti is medium and good for at least my resolution so that i can play BF3 at ultra at the decent FPS I have mentioned.
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a b U Graphics card
February 27, 2012 3:18:24 PM

if you ever plan on upgrading in the future, get the 600w Corsair, if not then stick with the 500w Corsair, they will both suit your current needs. As for waiting for Kepler, I would at least check the roadmap for the New Nvidia-series cards to see if there are any re-brandings, if so, then waiting for the 620 would be like buying a current GT 530 and would not be worth it.

If it were me, right now, I would go for the 550 and Corsair 600w PSU to suit your current needs and for later use if you decide to upgrade the CPU and/or video card.
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February 27, 2012 3:26:25 PM

So I should Buy the corsair 500W instead of 600 W one?
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February 27, 2012 3:30:13 PM

jonpaul37 said:
if you ever plan on upgrading in the future, get the 600w Corsair, if not then stick with the 500w Corsair, they will both suit your current needs. As for waiting for Kepler, I would at least check the roadmap for the New Nvidia-series cards to see if there are any re-brandings, if so, then waiting for the 620 would be like buying a current GT 530 and would not be worth it.

If it were me, right now, I would go for the 550 and Corsair 600w PSU to suit your current needs and for later use if you decide to upgrade the CPU and/or video card.


So I should Buy the corsair 500W instead of 600 W one?


I don't plan to upgrade my computer so near now and i think i will just buy a entirely new assembled pc in the near future as my specs have become almost outdated. But for now, I want to upgrade just my graphics card for playing my owned games.

Also , it think the kelper cards mentioned by @Rockdpm will be much costlier and they have long time to come in production line.
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a b U Graphics card
February 27, 2012 3:54:42 PM

pranav189 said:
Which one of these should I choose then?

1)Corsair CMPSU-500CXV2UK 500 Watts PSU

2)Corsair CMPSU-600CXV2UK 600 Watts PSU


Do not get these. While many of Corsair's better power supplies are built by Seasonic, these budget models are built by CWT and are not in the same league quality-wise (reviews have complained of noise and failures). I'd recommend a Seasonic brand power supply like the SeaSonic M12II 520 Bronze 520W. Its solid as a rock and very quiet.

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...
http://www.hardwaresecrets.com/article/Seasonic-S12II-B...

As far as your GPU upgrade - I agree with those who say the HD 7750. While not quite as powerful as a GTX 550 Ti (maybe 6% slower) its still a good match for your older Phenom CPU and would easily run on your 400W power supply (no external power connector needed). Plus its all you need at your monitor resolution.
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February 27, 2012 4:06:07 PM

i also wanted to ask if i buy the corsair models i mentioned, would they be compatible with my motheboard?
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February 27, 2012 4:15:57 PM

jeffredo said:
Do not get these. While many of Corsair's better power supplies are built by Seasonic, these budget models are built by CWT and are not in the same league quality-wise (reviews have complained of noise and failures). I'd recommend a Seasonic brand power supply like the SeaSonic M12II 520 Bronze 520W. Its solid as a rock and very quiet.

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...
http://www.hardwaresecrets.com/article/Seasonic-S12II-B...

As far as your GPU upgrade - I agree with those who say the HD 7750. While not quite as powerful as a GTX 550 Ti (maybe 6% slower) its still a good match for your older Phenom CPU and would easily run on your 400W power supply (no external power connector needed). Plus its all you need at your monitor resolution.


can you please tell me where i can get good reviews of this HD 7750. I think as this is a very new card, there are not videos about people playing games with this card. Also, As i mentioned , i prefer nvidia over ati cause of my linux Operating system.

The PSU you told me is way over my budget.I can't afford though agreed it is cool and quit.Also , please tell me that is 500W enough for my 550 ti card?
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a b U Graphics card
February 27, 2012 4:41:36 PM

Here you go:

http://www.tomshardware.com/reviews/radeon-hd-7770-7750...
http://www.guru3d.com/article/amd-radeon-hd-7750-and-77...
http://www.hardwarecanucks.com/forum/hardware-canucks-r...
http://www.anandtech.com/show/5541/amd-radeon-hd-7750-r...
http://www.techpowerup.com/reviews/HIS/HD_7750_iCooler/

As far as the power supply goes, yes, a quality 500W is more than enough for a GTX 550 Ti. With power supplies you get what you pay for and its one part I don't go cheap on.
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February 27, 2012 4:59:21 PM

jeffredo said:
Here you go:

http://www.tomshardware.com/reviews/radeon-hd-7770-7750...
http://www.guru3d.com/article/amd-radeon-hd-7750-and-77...
http://www.hardwarecanucks.com/forum/hardware-canucks-r...
http://www.anandtech.com/show/5541/amd-radeon-hd-7750-r...
http://www.techpowerup.com/reviews/HIS/HD_7750_iCooler/

As far as the power supply goes, yes, a quality 500W is more than enough for a GTX 550 Ti. With power supplies you get what you pay for and its one part I don't go cheap on.


ok .so if I did buy this HD 7750 , can I run BF3 maxed out (at about 25-30 fps at 1024*768) and without no need for buying another PSU.
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a b U Graphics card
February 27, 2012 11:11:53 PM

Your CPU might hold you back but you should have no problem.
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February 28, 2012 4:43:29 AM

Thanks friends For all your replies. especially @diec4st, @jeffredo for helping me out.I saw the review for HD 7750. I think it gives a fps drop of 4-5 fps in almost all the games if compared with the GTX 550 ti which does not matter much at the monitor resolution I play games.And also that at very low power consumption of 55W and that too at a very low price without the need for buying a new PSU. so I think I should go for this card. But guys, can you tell me of which brand i should buy? (Eg. Asus, HIS, XFX etc)? Please Suggest.

Also please tell me if it will be compatible with my motherboard:

ASUS M2N68-AM PLUS
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a b U Graphics card
February 28, 2012 11:07:22 AM

Just get whatever is in stock as they all offer the similar RMA policies if anything happens (at least on Newegg) and there's only like 3 models available. I usually choose Sapphire (good experience over the years, didn't really try any other brand) but I wouldn't be scared of buying a Gigagyte, Asus, XFX or HIS card to be honest. They all offer similar quality.
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February 28, 2012 12:11:14 PM

diec4st said:
Just get whatever is in stock as they all offer the similar RMA policies if anything happens (at least on Newegg) and there's only like 3 models available. I usually choose Sapphire (good experience over the years, didn't really try any other brand) but I wouldn't be scared of buying a Gigagyte, Asus, XFX or HIS card to be honest. They all offer similar quality.

Can My PSU handle HD 7770 ? I read that it has also the same power supply
requirements (but needs an external power supply connector) and is really intended for gaming purposes( as it is already overclocked).
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February 28, 2012 1:33:02 PM

I just read about XFX R7770 Black edition Double-D and I think that it will be compatible with my PSU. will it be? Please Suggest.
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Best solution

a b U Graphics card
February 28, 2012 2:45:36 PM

If your PSU has a pci-e power connector, go for it it as it only draws 80W. The price vs performance ratio is not as good as let's say 7750 but it's a better card for sure. If you PSU doesn't have a pci-e power connector, make sure the card you buy has an adapter included as 7770 requires external power (7750 doesn't).

Edit : This one is the cheapest (free shipping) and supplies an adapter ;) 

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The XFX Double D is fine too but I don't think it is worth the 27$ extra (including shipping), it doesn't include an adapter (only matters if you need one) and its slight overclock can easily be achieved on the Sapphire as well.
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February 28, 2012 5:14:26 PM

diec4st said:
If your PSU has a pci-e power connector, go for it it as it only draws 80W. The price vs performance ratio is not as good as let's say 7750 but it's a better card for sure. If you PSU doesn't have a pci-e power connector, make sure the card you buy has an adapter included as 7770 requires external power (7750 doesn't).

Edit : This one is the cheapest (free shipping) and supplies an adapter ;) 

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The XFX Double D is fine too but I don't think it is worth the 27$ extra (including shipping), it doesn't include an adapter (only matters if you need one) and its slight overclock can easily be achieved on the Sapphire as well.


Thanks for your reply, @diec4st. I think I will buy an HD 7750 ( looking at the price vs. performance ratio as you noted and is also good for gaming at least at my very low resolution of 1024*768) as i can afford it easily and also my precious money will not be spent in buying a PSU just for a GTX 550 Ti(extra expenses). Thanks for guiding me. I didn't even knew about these cards as they are relatively newer. Thanks for increasing my knowledge. This is the best hardware forum in the World.!!!. Now , my problem is solved thanks to all of you for giving your precious time to help a buyer like me.
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February 28, 2012 5:15:55 PM

Best answer selected by pranav189.
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