a limited number of connections and disconnections

This is the bad news of the day: ZOTAC It clearly shows a lifespan of 30 plugs and plugs for PCIe 5.0 4*8 pin to PCIe 16 pin (12+4) adapter. In itself, this is not very embarrassing for ordinary users who, having installed their cards, will not move them for a while. But for us Sunday testers and DIYers, it gets much more complicated. In fact, I’ve lost count of the number of times we’ve plugged/unplugged a card to perform performance tests on this or that game or other product.

Attention, ZOTAC advertises a 30 cycle lifespan for its PCIe 4*8 pin to PCIe 12VHPWR adapters

The basic problem in this story is that PCIe 5.0 4*8pin to 12VHPWR adapters can be dangerous. In fact, it has been shown with supporting evidence that power variation in adapter cables can be significant. Then it can happen that it heats up to the point that the connector just starts to melt due to flexing or too many connection cycles, an estimated value of around 40.

PCIe 5.0 adapter - a limited number of connections/disconnections

More details are given in the Gamers Nexus video. This data was even communicated to the PCI-SIG through NVIDIA.

If ZOTAC advertises a shelf life of 30 cycles, it is simply a matter of protecting yourself from possible problems and damage. We don’t know about you, but we imagine a Reddit thread with photos of melted connectors… In short, finally having a power supply with a PCIe 5.0 port avoids this problem, remember that they are designed to send up to 600W via this single PCIe 5.0 cable. On the other hand, it still means buying a new component to get a recent configuration and that, well, we don’t like it too much in view of all the skyrocketing prices. Buying a gaming PC in 2023 is going to be tricky.

ZOTAC RTX 4090 PCIe Adapter


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