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Crossfire hd 5770 recommended power supply

Last response: in Graphics & Displays
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April 26, 2011 4:50:48 AM

Hi, I'm thinking of adding another ati hd 5770 to my computer, but I do not know if I should also update my Power Supply.

I have an Antec Basiq Plus 550W.

In my computer i have:

Motherboard: GA-X58A-UD3R LGA 1366
Processor: Intel core I7 960 3.2
RAM: 6 GB (3 sticks of 2 GB DDR3)
HDD: 2 sata Drives 7200 RPM
Fans: 1 of 120mm, 2 of 140mm
Graphics card: ATI Sapphire HD 5770

Normally, I would think i have to change the power supply, but I was checking in this page http://extreme.outervision.com/PSUEngine

and when i enter the info of what I have, and add a crossfire configuration, that website gives me a recommended PSU wattage of 419.

What do you guys think? I live in Argentina, and things here are expensive, so if I could save the trouble of getting a new PS it would be great, but I do not want to put my hole computer at risk!!

Thanks in advance
a b U Graphics card
April 26, 2011 4:55:41 AM

at least a 650 maybe 700W. you need to take into consideration of other parts (RAM, CPU, etc.)
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a c 235 U Graphics card
a c 164 ) Power supply
April 26, 2011 5:02:10 AM

Au_equus said:
at least a 650 maybe 700W. you need to take into consideration of other parts (RAM, CPU, etc.)


do you know what does other parts need in terms of power? by your response above, the answer would be no.

CPU: Intel Core i7-920 @ 3.33GHz
Motherboard: Intel DX58SO (Intel X58)
Chipset Drivers: Intel 9.1.1.1015 (Intel)
Hard Disk: Intel X25-M SSD (80GB)
Memory: Patriot Viper DDR3-1333 3 x 2GB (7-7-7-20)

a solid 500w+ unit with dual PCI-E power cables will do the job. you won't even break 350w total system power while gaming


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a b U Graphics card
April 26, 2011 1:47:28 PM

@ct1615: Do you have a 5770 xfire setup? Looking at your specs, the answer would be no. Running a 5770 xfire setup with only a 500W psu, you're kidding right? unless you want your pc to turn off everytime you get a graphics heavy scene. You can look at graphics and stats all day, but in the end, only real world solutions matter. @lichi run by cyberpowerpc.com, choose a setup similar to yours and add two 5770s. the minimum they will let you leave is with 650W. next time type in "power supply 5770 crossfire" and read the forum threads that come up. I just did that and no one recommended anything below 600W. except that guy
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a c 235 U Graphics card
a c 164 ) Power supply
April 26, 2011 3:30:55 PM

Au_equus said:
@ct1615: Do you have a 5770 xfire setup? Looking at your specs, the answer would be no. Running a 5770 xfire setup with only a 500W psu, you're kidding right? unless you want your pc to turn off everytime you get a graphics heavy scene. You can look at graphics and stats all day, but in the end, only real world solutions matter. @lichi run by cyberpowerpc.com, choose a setup similar to yours and add two 5770s. the minimum they will let you leave is with 650W. next time type in "power supply 5770 crossfire" and read the forum threads that come up. I just did that and no one recommended anything below 600W. except that guy


no I don't but luckily people who understand PSU do and then post these results in things called "benchmarks". I trust these "benchmarks" far more then some idiot fan boy who buys cheap PSU are buys into purchasing more power then he really needs because he is an idiot and unable to understand benchmarks. Isn't society great where the consumer who does his home work gets the last laugh over the idiot who just listens to some 14 year old kid tell him..."duh you need like 700w i think cause that what my cousin has in cyberpower pc". I now give you permission to revel in your own stupidity :non: 

P.S. the fact that you even bring up cyberpower and some of the junk PSU (600w units that would fry if they even reached 500w) they put into units, automatically makes you look like a fool.
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a c 235 U Graphics card
a c 164 ) Power supply
April 26, 2011 3:36:39 PM

Tamz_msc said:
http://www.guru3d.com/article/radeon-hd-5770-review-tes...
As you can see, on that system with an overclocked i7 EE, the power consumed is around 425 watts.So, ct is right. However its good to have some extra juice so I'd recommend this one:
http://www.newegg.com/Product/Product.aspx?Item=N82E168...


nice choice but he lives in Argentina and his marketplace (along with pricing % increase) would be totally different. I do believe sentey is big out there though but not 100% sure.
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a b U Graphics card
April 26, 2011 5:23:24 PM

so freakin' hostile. yeah, did my homework too. spent the past couple of months looking at benchmarks for gpus, cpus, hd, ssd, psu, mobos, ram, spent hours reading threads like this before dumping $1500 on a new build, which you did not even look at (and I'll be open to any suggestions any of you may have). I recommended a 650W psu, you say I'm wrong, then support a suggested 620W psu.
my build:
i5 2500k (4.5ghz oc, asus p8p67 m-pro, 8gb 1333MHz DDR3 cl9 g.skill, antec truepower 750w, CM Hyper 212+, CF2 HD 5770, 64gb crucial SSD sata3, 1tb seagate barracuda sata3 7200rpm 32mb cache, sony optiarc, thermaltake v3 BE, samsung t220h and asus vh242 monitor

straight from amd themselves: http://sites.amd.com/us/game/products/certified/Pages/c...

A number of your rants don't make sense.

..."duh you need like 700w i think cause that what my cousin has in CyberPower pc"
I never said anything about buying or owning anything from cp-pc. I suggested it as a guidline.

"the fact that you even bring up cyberpower and some of the junk PSU (600w units that would fry if they even reached 500w) they put into units, automatically makes you look like a fool"

wait a minute, I thought you said according to the benchmarks it won't reach 350W under load. so why are now you using 500w as a marker? why not suggest the op to stick with the antec basiq 550W

did you even check out psu's selected by cyberpowerpc? junk psu's? most (85%) psu's used in an i-7 960 setup are 80+ certified and a few suggested are 80+ gold (thermaltake, CM, etc). Yeah, I guess I must be an 'idiot fanboy' when I built my PC with an antec truepower psu: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I was suggesting a 700W psu gives you the option to upgrade your xfire in the future, if not then the one suggested by tamz is a good choice. Honestly ct, would you really use a 500w, even with xfired 5770s, based on benchmarks, when you can just as easily buy a 650w for <$20 more?
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a c 235 U Graphics card
a c 164 ) Power supply
April 26, 2011 6:03:29 PM

Au_equus said:
so freakin' hostile. yeah, did my homework too. spent the past couple of months looking at benchmarks for gpus, cpus, hd, ssd, psu, mobos, ram, spent hours reading threads like this before dumping $1500 on a new build, which you did not even look at (and I'll be open to any suggestions any of you may have). I recommended a 650W psu, you say I'm wrong, then support a suggested 620W psu.
my build:
i5 2500k (4.5ghz oc, asus p8p67 m-pro, 8gb 1333MHz DDR3 cl9 g.skill, antec truepower 750w, CM Hyper 212+, CF2 HD 5770, 64gb crucial SSD sata3, 1tb seagate barracuda sata3 7200rpm 32mb cache, sony optiarc, thermaltake v3 BE, samsung t220h and asus vh242 monitor

straight from amd themselves: http://sites.amd.com/us/game/products/certified/Pages/c...

A number of your rants don't make sense.

..."duh you need like 700w i think cause that what my cousin has in CyberPower pc"
I never said anything about buying or owning anything from cp-pc. I suggested it as a guidline.

"the fact that you even bring up cyberpower and some of the junk PSU (600w units that would fry if they even reached 500w) they put into units, automatically makes you look like a fool"

wait a minute, I thought you said according to the benchmarks it won't reach 350W under load. so why are now you using 500w as a marker? why not suggest the op to stick with the antec basiq 550W

did you even check out psu's selected by cyberpowerpc? junk psu's? most (85%) psu's used in an i-7 960 setup are 80+ certified and a few suggested are 80+ gold (thermaltake, CM, etc). Yeah, I guess I must be an 'idiot fanboy' when I built my PC with an antec truepower psu: http://www.newegg.com/Product/Product.aspx?Item=N82E168...

I was suggesting a 700W psu gives you the option to upgrade your xfire in the future, if not then the one suggested by tamz is a good choice. Honestly ct, would you really use a 500w, even with xfired 5770s, based on benchmarks, when you can just as easily buy a 650w for <$20 more?


your suggestions are that of an proven idiot, by your past remarks. your inability to understand that is pitiful and no back tracking is going to prove otherwise. the antec basiq 550 is a decent PSU but its 12v rail power (something you have completely failed to understand) is that of a modern 450w PSU.

and while cyberpower may sell quality PSU as option (with an outrageous overcharge), the ones they place in those bargain basement price units are junk.

your ultimate familiar (of which there are many) is the fact the guy lives in Argentina where the market place is nothing like the USA. So while you may get a seasonic 520w for $80 and spend an extra $10 for the 620w unit, over there the gap may be $40 since their marketplace has completely different supply and demand.
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a b U Graphics card
April 26, 2011 6:13:27 PM

I think you you will not get a very much difference between one or two hd 5770 because they do not scale very largly like the 6000 series can
between,a 650w would handle it with ease or a solid 500w too.
here is a decent corsair psu,

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

Good Luck!
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a b U Graphics card
April 27, 2011 7:14:21 AM

Since you're on a tight budget, I say get a Corsair 550VX, which should be around 100$ in your country.
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a b U Graphics card
April 27, 2011 3:59:12 PM

manu 11, he will see big improvement if he has 1080p or higher resolution, what, you think 5000 series CF gives only 1-5% performance over 1 card, no it gives a lot, not like 6000 series, but still a lot
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a c 235 U Graphics card
a c 164 ) Power supply
April 27, 2011 4:11:38 PM

its been stated he lives in Argentina several times yet idiots keep linking newegg.com :pfff: 
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a b U Graphics card
April 27, 2011 4:34:17 PM

^exactly.. probably a good 550W PSU will make it with 5770 CF if you decide on it.
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a b U Graphics card
April 27, 2011 5:34:16 PM

shrkbay said:
manu 11, he will see big improvement if he has 1080p or higher resolution, what, you think 5000 series CF gives only 1-5% performance over 1 card, no it gives a lot, not like 6000 series, but still a lot


no not that low but my only thought was 5000 series crossfire is not as good as 6000 series.
but if he has a 5770 already, he will surely see an improvement cranking those resolutions.
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November 8, 2011 6:03:49 PM

shrkbay said:
^exactly.. probably a good 550W PSU will make it with 5770 CF if you decide on it.

Read on the ATI/AMD website and I quote "600W And two 6-pin connector for ATI CrossFireX technology in dual mode"

It's under System requirements on this page:
http://www.amd.com/us/products/desktop/graphics/ati-rad...

Obviously people don't know how to read.
And if your going to overclock the cards you will need more than the 600W recommended!
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a b U Graphics card
a b ) Power supply
November 9, 2011 10:23:18 PM

And why did we resurrect this 4 month old thread?
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!