Can I Use My 650W Power Supply With an RX 9060 XT Without Daisy-Chaining?
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I'm currently using an RX 5700 XT with a 650W power supply, connected with a daisy-chained PCIe cable. I'm considering upgrading to an ASUS Dual Radeon RX 9060 XT 16GB, which appears to require only one 8-pin power connector. Can I plug one 6+2 PCIe connector from the pigtail cable into the new graphics card and leave the additional connector unused, or would that cause any power problems?
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If that ASUS model only needs a single 8-pin connector, you can use one 6+2 connector from the PCIe cable and leave the extra pigtail connector unplugged. The unused connector does not draw power or affect the card; it is simply there for GPUs that need additional connectors. A 650W supply should generally be adequate for an RX 9060 XT, assuming it is a decent-quality unit and is otherwise in good condition.
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Using separate PCIe cables is preferable when a graphics card needs multiple power connectors, but it is not relevant when the new card only requires one 8-pin connection. Just combine the 6+2 section into an 8-pin plug and connect that to the GPU. Make sure the cable is labeled PCIe/VGA rather than CPU/EPS.
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!make a sketch: That clears it up—my main concern was whether the unused connector on the pigtail would somehow keep pulling power. I’ll use the single 8-pin connector and leave the other one unplugged.