Yes, it needs 2.
Assuming it's the same card model, No, as you already have the cables from the original.
Ahh, you right... I am replacing GT 120 with ATI 4870. I suppose I just need to get it opened see how many cables 120 has.
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Looking to upgrade graphics card in early 08 - hopelessly confused
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Ahh, you right... I am replacing GT 120 with ATI 4870. I suppose I just need to get it opened see how many cables 120 has.
In this case, you'd need a pair (2) of power cables. If you get the card from Apple, it will come with them.
But if you use a PC card for Flashing or software injectors, you'd need to order the power cables, as the standard ones available for PC cards won't work (can't fit the logic board). There's a few ways to get them if needed, such as from an Apple store (special order), directly from ATI, or svideo.com (they ship overseas too).