Fears on the series feed connector RTX 50 They resurface again, so the community works in connectors solutions to improve security.
NVIDIA RTX 50: connector prototype with alarm to avoid overloads
From the middle Uniko's Hardwarethey share the invention of a user of BILIBILI (“Wing King”), which has created a PCB design that is located next to its 16 -pin connector that reads the current values per pin and even incorporates a safety alarm.
The connector of 16 pinsbetter known as 12VHPWR either 12V-2 × 6 It has four signal detection pins, six current pins (+12 v) and six grounding pins. In theory, the six pins of 12 V should be able to supply 575 w of powerwhich is what a RTX 5090but the distribution of that power is not uniform among all pins. The internal cuts of the cables or the incorrect placement of them can cause an unequal distribution of the current, which ends up causing the connector to burn. That is, basically, if a single pin distributes much more common than other pins, this causes an overload and excessive heat that causes the connector to burn.
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The connector prototype 12V-2 × 6 Created by “Wing King” allows you to read the current that passes through each pin and has an alarm that is activated if a pin is distributing a lot of current.
The connector is also including a USB port on the back of the PCB, so it would be possible to make current readings through software on a PC. It could even connect to any device, such as a Raspberry Pi to make a monitoring.
The connector and software are currently currently under development. Wing King says he plans to turn it into open sourceso in the future it would be possible to see this kind of connectors in stores by different manufacturers. We will keep informed.
