For what cards? 4850s...?
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*** ATI RADEON 4850 IN STOCK! ***
- Thread starter Yewen
- Start date
For what cards? 4850s...?
"With two 4850s paired up in CrossFire, we once again ran into issues with our power supply. Our 1000W OCZ EliteXStream wasn't always enough for the dual-GPU setup and in Call of Duty 4 our system rebooted in the middle of our test at 2560 x 1600. Thankfully OCZ sent us a PC Power & Cooling Turbo Cool 1200W unit that is certified for use with GeForce GTX 280 SLI, and if it works on that beast, it had better work with a pair of 4850s in CrossFire."
Why? Two 4850;s with a qaud + one hard drive takes less than 400W on full load
Unless you have something running 700w in your system already?
That's clearly a problem with the PSU...the fact that reviewer didn't mention this worries me.
Likewise. He's probably on the PC Power and Cooling payroll to be honest.
And you beleive them? Never cross their mind the psu was at fault or they should test power usage?
OCUK already said they have been running them in xfire in machines with 700w supplies.
Oh look at that ocuk selling complete machines with xfire 4850's and a 600w power supply.
http://www.overclockers.co.uk/showp...catid=1116&subcat=&name=Ultima Crossfire 4850
Guess none of them will pass quality control before shipping cause they just won't even boot up.
that's TOTAL system power consumption as well, at the mains....if the PSU is 85% efficient that means the actual system is drawing 285W....once you take the CPU, drives, and mobo out of the equation then it looks like the cards themselves are drawing well under 200 watts together.
And you beleive them? Never cross their mind the psu was at fault or they should test power usage?
OCUK already said they have been running them in xfire in machines with 700w supplies.
Oh look at that ocuk selling complete machines with xfire 4850's and a 600w power supply.
http://www.overclockers.co.uk/showp...catid=1116&subcat=&name=Ultima Crossfire 4850
Guess none of them will pass quality control before shipping cause they just won't even boot up.
Whats with the attitude?
We have run a tri-card setup of a nicely low PSU.
Going to be doing a Tri-card setup tommorrow, can get power requirements on that if you guys wont, does no harm to plug in a budget 500W OCZ unit and see if it powers 3 cards through a 3D Mark run.
What attitude?
He is only pointing out what we have done with the cards, we have ran them on test rigs aswell with low W units, not sure on the exact model but our most potent power supplies for inital crossfire testing would have been around the 620W Corsair mark.
Going to be doing a Tri-card setup tommorrow, can get power requirements on that if you guys wont, does no harm to plug in a budget 500W OCZ unit and see if it powers 3 cards through a 3D Mark run.
easyrider said:
What attitude?
He is only pointing out what we have done with the cards, we have ran them on test rigs aswell with low W units, not sure on the exact model but our most potent power supplies for inital crossfire testing would have been around the 620W Corsair mark.
We have run a tri-card setup of a nicely low PSU.
Going to be doing a Tri-card setup tommorrow, can get power requirements on that if you guys wont, does no harm to plug in a budget 500W OCZ unit and see if it powers 3 cards through a 3D Mark run.
Yeah do that please.
We have run a tri-card setup of a nicely low PSU.
Going to be doing a Tri-card setup tommorrow, can get power requirements on that if you guys wont, does no harm to plug in a budget 500W OCZ unit and see if it powers 3 cards through a 3D Mark run.
Nice one
Soldato
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Yewen, maybe you will be wrong, who knows???
