question about power supply

[sixfor]

Hi,

I want to set up new rig on the beginning with 2x 280x and with 1000w power supply. I will use Xilence 1000 W and i know 1000 W should be enough for 2x 280x. Can I plug in another 280x in the future? Will be 1000W (Xilence 1000 W) enough to run 3x 280x and system?

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[YourMine.org]

I would say no it's to border line on 3 cards.

[Flashman]

I think those will only suck about 270W at the PSU, so 3 would be fine if the CPU etc isn't sucking too much.

[goshev]

If you can get the 1.2kW Cousair or Seasonic. Starting with platinum power supply is better especially considering the fact that you will put 1k in GPUs at least and this is on each rig.

I use this one here:

http://www.kitguru.net/wp-content/uploads/2010/06/ax1200-angled.jpg

Better run everything as stable as possible right .

[sixfor]

I find the same topic here: https://bitcointalk.org/index.php?topic=403273.0
here is the solution:
650 is the limit for 2
3 would reccomend 1000w or more
4 would suggest 1200w or more

I will buy corsair 750w and 2x 280x.

[Kenshin]

Hi,

I want to set up new rig on the beginning with 2x 280x and with 1000w power supply. I will use Xilence 1000 W and i know 1000 W should be enough for 2x 280x. Can I plug in another 280x in the future? Will be 1000W (Xilence 1000 W) enough to run 3x 280x and system?

Get a 1600w PSU if you are going to do that.

[Omikifuse]

Hi,

I want to set up new rig on the beginning with 2x 280x and with 1000w power supply. I will use Xilence 1000 W and i know 1000 W should be enough for 2x 280x. Can I plug in another 280x in the future? Will be 1000W (Xilence 1000 W) enough to run 3x 280x and system?

I myself run 3 R280x card on 1000w, as long as you don't overclock so much should be ok...

[Voltage2]

I have ran 3 280x's on a 850W psu for a couple of weeks, but i wouldn't recommend that. Psu got pretty hot at some point so I bought a new one.
With 1000W you should have enough for 3 cards.