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Can I run to HD 6850 on my powersupply

post #1 of 12
Thread Starter 
I currently have a HTPC/Gaming rig in my living room with the following specs:
Core 2 Quad 9300
8GB DDR2 800 Ram
500 GB WD Hdd
Radeon HD 5770
Corsair HX520W
Liteon Blu-ray Drive

Can I run two Radeon with my current psu or will I need to upgrade? I'm thinkin if I go crossfire the system should last for another 2 or 3+ years.

Thanx in advance.
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Gorgatron 3000
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post #2 of 12
Quote:
Originally Posted by playboysmoov View Post
I currently have a HTPC/Gaming rig in my living room with the following specs:
Core 2 Quad 9300
8GB DDR2 800 Ram
500 GB WD Hdd
Radeon HD 5770
Corsair HX520W
Liteon Blu-ray Drive

Can I run two Radeon with my current psu or will I need to upgrade? I'm thinkin if I go crossfire the system should last for another 2 or 3+ years.

Thanx in advance.
EDIT: I've checked a few websites for crossfire 6850 power consumption. You should be alright.
Edited by axizor - 12/23/10 at 10:48am
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post #3 of 12
Two 6850s will run fine on your HX520.
post #4 of 12
I believe you will need to upgrade. The 6850 draws slightly less power than a 5850, but iirc it still needs 2 PCIe connectors with a max of 225. I'd say the two GPUs will draw between 300-400watts, and combined with your other components won't be enough to power 2 of them. Corsair520HX can do 480watts on the 12v rail I believe?

Since you have a Corsair 650HX in your sig (which can power 2x6850s), why don't you swap PSUs with that rig?


Since there's only 1 PCIe connector for the 6850, so it'll run fine with 2 with ur PSU
Edited by Bluescreendeath - 12/23/10 at 10:56am
post #5 of 12
Thread Starter 
two 6850's
Gorgatron 3000
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Gorgatron 3000
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post #6 of 12
Two 6850's will run fine.

They consume roughly the same power at max load as a 9800GT.
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post #7 of 12
Thread Starter 
Quote:
Originally Posted by Bluescreendeath View Post
I believe you will need to upgrade. The 6850 draws slightly less power than a 5850, but iirc it still needs 2 PCIe connectors with a max of 225.
The 6850 only has on six pin PCI-E connector.
Gorgatron 3000
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Gorgatron 3000
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Hard DriveHard DriveOptical DriveOptical Drive
SanDisk Ultra II 960GB  Toshiba X300 5TB  Samsung SH-223L LG WH12LS39 
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Zalman CNPS 9500AT Windows 8.1 Pro Qnix QX2710LED Corsiar K70 
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post #8 of 12
Quote:
Originally Posted by Bluescreendeath View Post
I believe you will need to upgrade. The 6850 draws slightly less power than a 5850, but iirc it still needs 2 PCIe connectors with a max of 225. I'd say the two GPUs will draw between 300-400watts, and combined with your other components won't be enough to power 2 of them. Corsair520HX can do 480watts on the 12v rail I believe?
The number of PCIE Connectors just gives and approximation of how much power it could use, and on top of that you have the power the card can pull straight from the PCIE slot.


Quote:
Originally Posted by sLowEnd View Post
Two 6850's will run fine.
This.
    
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post #9 of 12
Quote:
Originally Posted by playboysmoov View Post
The 6850 only has on six pin PCI-E connector.
Oh, I didn't know that. In that case it'll be like a single 5770 so it will run fine.
post #10 of 12
Yes you will be ok
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