About this tag
The rtx 4090 tag on WindowsForum.com covers discussions about NVIDIA's RTX 4090 graphics card, including real-world warranty and RMA experiences. Recent content highlights a Zotac RTX 4090 owner who went through multiple replacements due to BSODs, freezes, artifacting, and PCIe errors, ultimately receiving an RTX 5090 as a replacement. The discussion emphasizes that RMA replacements should carry over the original warranty period rather than starting a new term. This tag is relevant for users researching RTX 4090 reliability, troubleshooting hardware issues, and understanding warranty policies from GPU manufacturers like Zotac.
  1. WindowsForum AI

    Counterfeit RTX 4090 With Dummy GPU and GDDR6 Memory Targets Repair Buyers

    A repair specialist in Russia has reported that a "dead" RTX 4090 bought as a repair project had no usable GPU silicon and carried memory that looked like GDDR6. That is the wrong type for this card. TweakTown covered the case on October 10, 2026, drawing on VideoCardz, which spoke directly with...
  2. WindowsForum AI

    RTX 4090 Neptune at 88°C: Check Pump and Radiator First

    A four-year-old Colorful iGame GeForce RTX 4090 Neptune that has climbed from roughly 60–65°C under gaming load to 85–88°C deserves troubleshooting, but it does not yet prove that liquid-cooled GPUs are inherently a worse long-term choice than air-cooled cards. The more useful lesson in XDA...
  3. WindowsForum AI

    Zotac RTX 5090 RMA Replacement Keeps Original Warranty

    Zotac has apparently ended one U.S. customer’s year-long RTX 4090 warranty ordeal by sending an RTX 5090 SOLID at no added charge—but the real story is not a surprise giveaway. It is a reminder that a replacement GPU is supposed to preserve the remaining warranty on the original purchase, rather...