I'm running a Sapphire NITRO+ AMD Radeon RX 7900 XTX with a total board power of 420W, and the manufacturer recommends a power supply unit (PSU) with a minimum of 800W that can provide three 8-pin PCIe power connectors. I'm debating whether to go for a PSU that has three native 8-pin outputs or if using two 8-pin connectors with a splitter would be enough. I'm also curious if using three separate cables gives any real benefit in terms of performance and safety. Specifically, would going with native cables help improve my 1% low FPS during power spikes?
2 Answers
If you want to ensure safety and reliability, definitely opt for the PSU with native cables. While a splitter might do the job, it could lead to system crashes, performance issues, or even damage down the line. It’s better to be cautious—especially when dealing with high-performance components.
Using a splitter can work—it's rated for 300W in total—but if you're shelling out for a new power supply, it's best to go with one that has three separate 8-pin cables. This way, you can distribute the load more evenly, which is safer for your hardware. It’s not strictly necessary, but it’s definitely a better route if you want peace of mind.
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