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The Early 2009 Mac Pro—also known as the Mac Pro 4,1—introduced Intel's Nehalem architecture to Apple's line of professional desktop computers in March 2009. The Mac Pro 5,1 used the same interior design but received further CPU updates in 2010 and 2012.

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Vega 56 Power connectors

Hi, i want to use a Vega 56 in my mac pro 5.1 it has two 8 pin connectors. I have a cable from 2 mini 6 pin to one 8 pin. Is there any cable from 2 sata to 8 pin to connect the second 8 pin on the graphics card? thanks

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To get 8 pin power you will need to perform a mod called the Pixlas mod. It’s not overly complicated and if you’re interested here’s a tutorial.

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actually, the Mac Pro can comfortably use Vega 56's without a Pixlas mod.

two mini 6 pins to 8 pin PCIe cables are enough as the two mini 6 pins actually carry around 120 watts each, and the PCIe slot makes 75. this gives you just enough power to run a vega 56. but i would not recommend using anything more powerful than a 56

(normally mini 6 pins only make 75 watts according to the pcie standard, but apple seemed to break that for some reason, maybe anticipating more powerful gpus in the future)

da

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florian-lang sarà eternamente grato.
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