Afterburner, a graphics monitoring and overclocking tool, adds a feature to warn of dangerous connector conditions that could cause a graphics card meltdown.
Afterburner is a popular app for overclocking and temperature monitoring of graphics cards, and is widely used by gamers and PC builders. The beta version of Afterburner, version 4.6.7, was released on February 11, 2026, and adds a new feature that warns users of dangerous connector insertions that could cause their graphics card to melt.
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MSI Afterburner 4.6.7 Download
https://www.guru3d.com/download/msi-afterburner-beta-download/
Graphics cards equipped with high-end GPUs from NVIDIA's GeForce RTX 40 series onward are equipped with connectors called 12VHPWR or 12V-2x6. These connectors are known to cause cable melting if inserted improperly, and NVIDIA has warned users to insert the cables all the way in.
NVIDIA warns about GeForce RTX 4090 connector melting issue, 'Make sure it's fully plugged in' - GIGAZINE
The beta version of Afterburner 4.6.7 adds a feature that displays a warning when it detects that the 12VHPWR or 12V-2x6 cable is not properly plugged in. This warning feature is only available when using an MSI power supply that supports the ' GPU Safeguard+ ' safety feature, but GPU Safeguard+ was only announced in January 2026, and no compatible power supplies have yet been released.
If a PC equipped with a compatible power supply detects an incorrect connection, a warning screen like the one below will appear. The warning screen reads, 'A faulty 12VHPWR or 12V-2x6 connection has been detected. To minimize risk, power output to the GPU will be limited to 75%.' 'Please power off the system and reinsert the cable. If the warning reappears after reinserting, please replace the cable.'
In January 2026, four power supply models compatible with GPU Safeguard+ were
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