How much can my PSU take?

[PDcologne]

Hi

i currently have 4 280X running off of 2 x corsair rm750 using an adapter...

i have 2 of these rigs set up... and im wondering, rather than building another rig, do you think it is possible to add a 5th card to each set-up?

Each PSU has only 2 pcie slots, and obviously both being used on each PSU... but is there another way to connect the cards?

newbie question, but never thought of doing it before...

thanks

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[dloganbill]

Couldn't you easily add a third PSU? 550W?

[PDcologne]

possibly, but that would make things extremely crowded - plus the extra costs i might aswell just buy another mb etc too....

[dloganbill]

I guess I look at it differently. The mb, CPU, and ram are overhead costs that just extend your ROI. More cards per rig is more unstable but more profitable.

[PDcologne]

agreed, just wanted to know if it possible on the current set-up...

if it is, then i might try it.... if not i will build another