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pcie x8

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    RX 560 graphics card on Mac Pro 4,1/5,1 PCIe Lane Width x8?

    I’ve installed a RX 560 on my Mac Pro. Currently it’s the only graphics card in the system and in slot 1. I’ve noticed that System Report says it’s running with a PCIe Lane Width of x8. The card I took out was a GT 120 and that ran at x16. In fact if I put the GT 120 into slot 2 it still runs a...
    • CosmicScale
    • Thread
    • graphic card mac 4.1 mac 5.1 mac pro (2010) mac pro (early 2009) pcie card pcie x16 pcie x8 rx 560 upgradable macs
    • Replies: 10
    • Forum: Mac Pro
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