Modded RTX 5090 Left Permanently Damaged After Second 16-Pin Addition

NVIDIA’s RTX 5090 connector melting concerns are back in the spotlight, and this time, a risky dual 16-pin modification has reportedly ended in hardware failure.

According to VideoCardz, a modified RTX 5090 equipped with two 12V-2×6 power connectors stopped working only days after the change, raising fresh concerns about extreme power delivery experiments on flagship GPUs.

Dual 16-Pin RTX 5090 Mod Draws Scrutiny

The case centers on a Gigabyte Aorus Master RTX 5090 that allegedly failed shortly after a second 12V-2×6 connector was installed. The modification was carried out by Frame Chasers and later highlighted in video clips shared by UNIKO’s Hardware.

Extreme overclockers sometimes add extra power connectors to increase headroom and stabilize higher wattage targets. However, given recent RTX 5090 connector melting incidents, some enthusiasts warned that doubling the connectors could double the risk.

Certain Gigabyte RTX 5090 models reportedly use a shared PCB design that includes an unpopulated footprint for a second connector. That layout typically serves alternate variants, such as stealth-style cards with hidden power input designs.

Instability Reported Before Full Modification

Reports indicate that the GPU showed signs of instability even before the connector mod was fully completed. After the failure, the card was sent to a professional repair center for inspection.

Technicians observed visible PCB damage, including what appears to be a hole in the board and signs that a capacitor may have exploded. The repair service has not officially confirmed the exact cause of the failure.

Frame Chasers suggested that heat gun usage during the soldering process could have contributed to the damage. Applying high heat without precise control can weaken PCB layers, loosen components, or create microscopic fractures.

Power Delivery Risks Under the Spotlight

This incident arrives amid ongoing debates about the RTX 5090 connector melting and speculation around whether specific connector suppliers contribute to overheating risks.

While no official findings blame a particular manufacturer, discussions around MSI-branded connectors and cable tolerances continue within enthusiast communities.

Experts stress that dual 16-pin modifications require professional-grade soldering tools, electrical testing equipment, and advanced knowledge of GPU power circuitry. Adding another connector introduces additional solder joints and electrical paths, increasing the potential for imbalance or failure.

Improper soldering, uneven current distribution, or thermal stress can trigger catastrophic damage in high-power GPUs. The RTX 5090 already operates at extreme wattage levels, and pushing it further without validated engineering safeguards can result in permanent hardware loss.

This is not the only recent case of RTX 5090 hardware damage linked to aggressive tuning. Earlier, reports surfaced that an MSI RTX 5090 Lightning Z prototype physically cracked under extreme overclocking conditions.

As enthusiasts continue exploring the limits of next-generation GPUs, the latest dual 16-pin failure serves as a reminder that experimental mods can carry significant financial and technical risks.