I just got myself an RTX 5090 (MSI Ventus 3X OC), and it came with a 12VHPWR to 4 PCI-E adapter. I've seen some advice from YouTubers about limiting the number of extensions or adapters to reduce failure risks, especially with melting cables. Should I stick with the adapter that came with the card, or is it better to get a 12VHPWR cable that connects directly to the PSU and GPU?
2 Answers
If you have a 1200-watt PowerSpec, it should handle the RTX 5090 without a problem. I'd recommend getting the direct 12VHPWR cable to minimize risk and ensure stable power delivery. The fewer adapters in the chain, the better!
Before deciding, it’s vital to know what power supply you’re using. If it’s up to the task and comes with a solid 12VHPWR connection, that would be the safest route to avoid potential issues. Using fewer adapters can help reduce failure points, so going direct if possible is usually best.
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