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GPU Solutions offers a service to upgrade NVIDIA GeForce RTX 2080 Ti VRAM from 11 GB to 22 GB by replacing GDDR6 modules, including BIOS configuration and stability testing.
Overclockers from Xtreme Systems have developed an external clock generation technique for the RTX 5090 using the Elmor External Clock Board (ECB), bypassing Nvidia's software-imposed limitations on VRAM and crossbar clock speeds. The method, still a work in progress, involves hardware-level signal injection to push GPU clocks beyond factory limits, yielding notable benchmark improvements.
A user seeks community feedback on purchasing a modded RTX 4090 with 48GB VRAM from GpuWorld.eu, asking for trustworthy sources and alternative sellers like Taobao.