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What PSU should i Get for CrossFire + OC?

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September 23, 2013 3:17:18 AM

hello everyone,
i want to upgrade my poor 5yo thermaltake 550W coz i want to OC my FX-8350 cpu, but mostly coz i want to purches a new Sapphire HD 7950 and Crossfire it with my current one.
Im aiming at a Modular psu but dont want to spend a lot of money on it (im a bit flexible with the budget) and i really need it to support my current spec:

http://pcpartpicker.com/user/charmer/saved/2rmP

ty all in advance !

More about : psu crossfire

a b à CPUs
September 23, 2013 3:23:21 AM

charmer said:
hello everyone,
i want to upgrade my poor 5yo thermaltake 550W coz i want to OC my FX-8350 cpu, but mostly coz i want to purches a new Sapphire HD 7950 and Crossfire it with my current one.
Im aiming at a Modular psu but dont want to spend a lot of money on it (im a bit flexible with the budget) and i really need it to support my current spec:

http://pcpartpicker.com/user/charmer/saved/2rmP

ty all in advance !


http://www.newegg.com/Product/Product.aspx?Item=N82E168...
This 850w Corsair HX850 Modular power supply will be perfect.
It will last years, support crossfire and overclocking easily and only cost $150...

Definitely worth it...
if its too much money for you,

Get the TX850 Modular, for $120
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Either of these will work perfectly and last a very long time with high warranties :) 
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a c 364 K Overclocking
a c 2185 ) Power supply
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September 23, 2013 6:52:52 AM

Here's a few that will do the job.


PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: Antec HCG M 750W 80 PLUS Bronze Certified ATX12V Power Supply ($112.98 @ SuperBiiz)
Total: $112.98
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-23 09:48 EDT-0400)


PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: XFX ProSeries 750W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($89.99 @ NCIX US)
Total: $89.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-23 09:49 EDT-0400)


PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: Rosewill Capstone 750W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($123.98 @ Newegg)
Total: $123.98
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-23 09:50 EDT-0400)


PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: EVGA SuperNOVA NEX750B BRONZE 750W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($66.66 @ Newegg)
Total: $66.66
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-23 09:51 EDT-0400)


PCPartPicker part list / Price breakdown by merchant / Benchmarks

Power Supply: NZXT HALE82 850W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($99.99 @ Amazon)
Total: $99.99
(Prices include shipping, taxes, and discounts when available.)
(Generated by PCPartPicker 2013-09-23 09:52 EDT-0400)
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September 24, 2013 1:36:52 AM

Ty all for your replays

I was looking for a Watt specification in my MBs user guide, It sed to use "A at least a 1000W PSU for stabile Crossfire ! "

now i intend to OC too so is 1000W enaugh fot Both or do i need a bigger one . .that sounds too much
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a b à CPUs
September 24, 2013 1:43:16 AM

charmer said:
Ty all for your replays

I was looking for a Watt specification in my MBs user guide, It sed to use "A at least a 1000W PSU for stabile Crossfire ! "

now i intend to OC too so is 1000W enaugh fot Both or do i need a bigger one . .that sounds too much


For a dual card crossfire configuration and overclock, I highly doubt you will need a 1000w power supply! that is outragious!
An overclocked CPU will use around 125w depending on the voltage used... I would recommend a good 850w PSU, one of the 2 corsair PSUs I recommended originally would be fine.

Please feel free to view this page on AMDs website
http://sites.amd.com/us/game/products/certified/Pages/c...

It is a list of certified AMD Crossfire PSUs
All of the power supplies on this list will be fine (including the 650w ones that AMD themselves recommend!)

Also note, both of the power supplies I recommend are on this list.
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a b à CPUs
September 24, 2013 2:11:00 AM

Dayle McNeela said:
charmer said:
Ty all for your replays

I was looking for a Watt specification in my MBs user guide, It sed to use "A at least a 1000W PSU for stabile Crossfire ! "

now i intend to OC too so is 1000W enaugh fot Both or do i need a bigger one . .that sounds too much


For a dual card crossfire configuration and overclock, I highly doubt you will need a 1000w power supply! that is outragious!
An overclocked CPU will use around 125w depending on the voltage used... I would recommend a good 850w PSU, one of the 2 corsair PSUs I recommended originally would be fine.

Please feel free to view this page on AMDs website
http://sites.amd.com/us/game/products/certified/Pages/c...

It is a list of certified AMD Crossfire PSUs
All of the power supplies on this list will be fine (including the 650w ones that AMD themselves recommend!)

Also note, both of the power supplies I recommend are on this list.


my CPU the fx-8350 uses 125W stock.. but it does sound like TOO MUCH to put a 1000W psu just for corossfire
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Best solution

a b à CPUs
September 24, 2013 2:22:00 AM

charmer said:
Dayle McNeela said:
charmer said:
Ty all for your replays

I was looking for a Watt specification in my MBs user guide, It sed to use "A at least a 1000W PSU for stabile Crossfire ! "

now i intend to OC too so is 1000W enaugh fot Both or do i need a bigger one . .that sounds too much


For a dual card crossfire configuration and overclock, I highly doubt you will need a 1000w power supply! that is outragious!
An overclocked CPU will use around 125w depending on the voltage used... I would recommend a good 850w PSU, one of the 2 corsair PSUs I recommended originally would be fine.

Please feel free to view this page on AMDs website
http://sites.amd.com/us/game/products/certified/Pages/c...

It is a list of certified AMD Crossfire PSUs
All of the power supplies on this list will be fine (including the 650w ones that AMD themselves recommend!)

Also note, both of the power supplies I recommend are on this list.


my CPU the fx-8350 uses 125W stock.. but it does sound like TOO MUCH to put a 1000W psu just for corossfire


My apologies, I only use Intel CPU's (the use a lot less power)
but even so, if a AMD Crossfire system will work with a 650w power supplies as AMD specifys on their website, and 850w would be perfect, gives you a space 200w for overclocking (which you will not use) maybe an extra 100w for overclocking for you have around 100w spare to be safe.

As said, I recommend Corsairs HX850 or TX850 :) 

If I have answered your question, please click 'Pick as the Solution'
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September 24, 2013 6:47:32 AM

Thx for helping guys :) 
I just wanted to know how strong my psu needs to be,
Unfortunately i must buy a psu close by and cant order on the net yet.

Thx again
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September 24, 2013 8:03:59 AM

A 750w woulds easily cover your needs also.
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