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PSU suggestion

post #1 of 21
Thread Starter 
Hi

I run a i7 2700k @4.0 ghz and powercolor 7870 ghz edition with corsair 600w, all is well

I decide to buy another 7870 for crossfire and overclock my i7 to 4.8 ghz, i think the 600w will not enaught and i don't know what psu i need.

Is the corsaire gs800 good for me ? or i need something better ( if so tell me some suggestion but not very expensive thing)

thank's
post #2 of 21
A quality 600W unit is enough for two 7870s, what specific model is the one you currently own?
hyp3
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hyp3
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post #3 of 21
Thread Starter 
I have CORSAIR CX 600, you think it's enaught for running two 7870 and overclock a 2700k to 4.8 ghz ?
post #4 of 21
If I recall correctly, the CX600 isn't that good of a psu. Maybe you should go for something like a Rosewill Capstone 650W.
hyp3
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hyp3
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Cooler Master V650 Gold NZXT S340 White Cooler Master MasterKeys Lite L 
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post #5 of 21
You could use the CX600 but its not a great PSU by any means its not crap its just very minimum

http://www.overclock.net/t/183810/faq-recommended-power-supplies

If you dont care about if its modular or not there is the non modular FSP Aurum 600 watts

Or there is the modular Super FLower Golden Green 600 watts

Both of those are rated 80 plus gold
Edited by shilka - 4/1/13 at 5:39am
Seravee
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Seravee
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Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
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LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
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post #6 of 21
You should take a look at this thread:

http://www.overclock.net/t/1140534/psu-calc-final-release

It's a very useful tool. wink.gif

A good 600w PSU should do the job, but a 700w for a little more room is a better choice IMO.
I wouldn't try with your CX600 (which is a 500w CWT DSA).

What is your budget?
Eva-00
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Eva-00
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post #7 of 21
The CX600 can and could and will handle a 7870 two-way crossfire rig with 2700k with overclocks too. Don't buy a new power supply.
    
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post #8 of 21
Thread Starter 
Thank's for help, but know i'm confused

should i buy a one (because my psu is cheap quality even it's corsair)
I think i love this quiet one ---> BEQUIET STRAIGHT POWER E9-700W 80PLUS GOLD

Or save my money and stay with my cx600 and buy 2 pci-e adaptor for my second card !!!

rolleyes.gif
post #9 of 21
Quote:
Originally Posted by raptox View Post

Thank's for help, but know i'm confused

should i buy a one (because my psu is cheap quality even it's corsair)
I think i love this quiet one ---> BEQUIET STRAIGHT POWER E9-700W 80PLUS GOLD

Or save my money and stay with my cx600 and buy 2 pci-e adaptor for my second card !!!

rolleyes.gif
600 to 650 watts would be more then enough 700 is going a little overboard unless you are going for 7950 crossfire or something like that

Use the list to find one of them from there for a good price http://www.overclock.net/t/183810/faq-recommended-power-supplies
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
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Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
post #10 of 21
Thread Starter 
Quote:
Originally Posted by shilka View Post

600 to 650 watts would be more then enough 700 is going a little overboard unless you are going for 7950 crossfire or something like that

Use the list to find one of them from there for a good price http://www.overclock.net/t/183810/faq-recommended-power-supplies

I can't find a quit 600w psu with 4 6+2pci-e pins, that's why i go for the bequiet 700w (it's in the list), and i can have a refund in the website marked for it.
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