Four-RTX 5090 LLM Rig Melts Plug and Socket, Owner Says

An owner says a large language model (LLM) system with four RTX 5090 graphics cards melted its main power plug and wall socket. The account was reported by Wccftech.

The rig bypassed the GPUs’ 12VHPWR power connectors, according to the report. The owner said the setup used a 13A fuse as its only safety measure. The source summary says the fuse was not enough to withstand the power draw of the four-card configuration.

The report describes the 12VHPWR connector as a weak point for the RTX 5090, and says the four GPUs can consume substantial power at maximum load. It does not provide measured power consumption, identify the plug or socket, or independently verify the owner’s account.