Unless you're adding farms or a lot of extra equipment, it would be equivalent to folding electric costs. But yeah, unless you trade those nvidias for ati's and break even on that, the return wouldn't justify the expense now.
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Unless you're adding farms or a lot of extra equipment, it would be equivalent to folding electric costs. But yeah, unless you trade those nvidias for ati's and break even on that, the return wouldn't justify the expense now.