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Graphics Cards

vahedi
Newcomer

sapphire nitro + 580 8gb: 8-pin or 6+8-pin?

i have 3 green 750 psu that each one just have 2 vga output and 1 cpu output. I need to connect 12 sapphire nitro plus 580 8gb graphic cards to them. is it necessary to connect both 8 pin and 6 pin for each cards? or int enough just connect 8 pin like other vga cards?

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Both power connectors must be connected.

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