Hey everyone! I just built my first PC with a Be Quiet! Straight Power 12 1200W PSU, which has two 12vhpwr cables. I'm getting my 5090 FE soon, which comes with a 4 x 8 pins PCIe to 12vhpwr adapter. I'm considering using two 12vhpwr to 2 x 8 pins PCIe adapters and then connecting the NVidia adapter to my GPU. What do you think about that? I've heard that while it might increase resistance, the NVidia adapter generally has a lower failure rate than third-party ones. Plus, I feel like handling an RMA would be smoother if I only have to deal with NVidia. Am I overthinking this? Should I just stick with the PSU's 12vhpwr cable and be super careful about connections?
3 Answers
Each connection you make increases the chance of a failure. Using the PSU's native cable gives you fewer potential failure points. It's safer than going through multiple adapters, even if you're trying to double down on safety.
Honestly, you might be overcomplicating things. Even official NVidia cables can have issues; they aren't inherently better than high-quality PSU cables. Every additional adapter you add is another potential point of failure. I'd recommend using the cable that came with your PSU straight to your GPU without any adapters.
It's tough to say for sure what the safest option is—there aren't hard stats on burn rates. While the RMA process might be easier with a dongle, you’re relying on the GPU's quality control, which could be worse. Just be cautious with those adapters; if something goes wrong, it could offset any potential convenience.
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