Open Source

GPU modder warns: 96GB RTX 4090s and 5090s are a scam

A US GPU lab manager reveals the truth behind fake high-VRAM mods.

Deep Dive

A GPU lab operator in the USA, working directly with two Chinese factories to design and produce 48GB RTX 4090 PCBs, has issued a critical warning: 96GB RTX 4090s and RTX 5090s are outright scams as of June 2026. In a viral Reddit post, the modder explains that despite community hype, no such cards have been produced or shipped by any legitimate factory. The only recent verified mod is a 32GB RTX 4080 Super.

The warning highlights a growing problem in the GPU modding community where sellers prey on desperation for high-VRAM cards used in AI workloads. The modder emphasizes that these cards literally do not exist, and buyers are being defrauded. This PSA serves as a critical reality check for professionals seeking affordable high-VRAM solutions for LLMs and rendering.

Key Points
  • 96GB RTX 4090 and RTX 5090 mods are confirmed nonexistent as of June 2026.
  • Only verified mod is 32GB RTX 4080 Super from cooperating Chinese factories.
  • Sellers exploit AI/ML professionals' desperation for high-VRAM GPUs.

Why It Matters

Protects AI professionals from wasting thousands on fake high-VRAM GPU mods.

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