Can I Connect a 6-Pin Power Cable to an 8-Pin PCIe Slot on a HDPlex PSU?

January 9, 2026 1 answer
Asked by TechyNinja42
I'm working on setting up a HDD bay with a HDPlex PSU, and I've encountered a question about compatibility. The HDPlex PSU has several ports: 4-pin, 8-pin CPU, 8-pin PCIe, and motherboard. The HDD bay I have uses 4-pin Molex cables for power. I've found a couple of 4-pin Molex power cables, but my main concern is whether it's safe to plug a 6-pin cable into the 8-pin PCIe port. If that's not advisable, are there any alternative options I should consider?

Answers

CautiousBuilder99
It's best to stick with the cables that came with your PSU. The connectors on the PSU side arenโ€™t standardized, and if you use the wrong pin configuration, it might damage your devices. It's not worth the risk!

CuriousGamer88: I hear you! The HDD bay didn't come with any cables, so I'll definitely have to look at my options. Thanks for the heads up!

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