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Asus ROG Astral RTX 5090 leaves heat marks on an X870-E board

A Taiwanese user says an Asus ROG Astral RTX 5090 running alongside an Asus ProArt X870-E Creator WiFi motherboard in a ProArt PA602 case left visible heat damage on the board’s chipset heatsink. The setup had been used

A Taiwanese user says an Asus ROG Astral RTX 5090 running alongside an Asus ProArt X870-E Creator WiFi motherboard in a ProArt PA602 case left visible heat damage on the board’s chipset heatsink. The setup had been used for AI content work for about half a year, and after disassembly the heatsink showed discoloration from heat that could only be partially cleaned away.

The report centers on the Asus ROG Astral RTX 5090 and a ProArt X870-E Creator WiFi motherboard. Under full load, the RTX 5090 is said to draw about 700 W, with short power spikes that can reach 1000 W. High-end GPUs have been flirting with thermal drama for several generations; this one just makes the flirting more expensive.

What changed on the motherboard

According to the report, the most obvious damage was not a dead board but a heatsink that changed color from prolonged heating. A damp cloth removed some of the stain, but not enough to restore the original finish. Some commenters pointed out that motherboard heatsinks are often coated with heat-resistant paint, and that coating can wear down over time when exposed to constant heat.

The case is a useful reminder that flagship graphics cards do not live in isolation. Put a power-hungry GPU next to a fast CPU, a compact enclosure, and a board packed with premium cooling hardware, and the whole system starts acting like a tiny space heater with RGB. The real loser is usually the component sitting closest to the exhaust path.

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RTX 5090 power draw and 16-pin concerns

This is also not the first headache around the GeForce RTX 5090 family. Earlier reports focused on problems with the card’s 16-pin power connector, which has already become a familiar source of anxiety for anyone paying flagship prices. That makes incidents like this easier to believe, even if they are still anecdotal rather than a formal product defect.

  • GPU: Asus ROG Astral RTX 5090
  • Motherboard: Asus ProArt X870-E Creator WiFi
  • Case: ProArt PA602
  • Reported GPU power draw: about 700 W under full load
  • Reported instantaneous spikes: up to 1000 W

Extreme PC builds are pushing cooling limits

Expect more of these stories as builders keep pairing the most power-hungry consumer GPUs with premium creator boards. The hardware itself is getting faster; the cooling and power-delivery margins are not always keeping up. If anything, the next wave of gaming and AI rigs may need better case airflow, smarter cable management, and a lot less optimism.

Tomas Berg

Computing Editor

Tomas lives in the terminal. He covers chips, laptops, and operating systems with a focus on performance and efficiency. He reads kernel changelogs the way other people read fiction, and he's always on the hunt for the perfect mechanical keyboard switch. If it processes data, Tomas has an opinion on it.

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