A modder has upgraded Nvidia's fastest consumer graphics card, the RTX 5090, with four times the memory and a faster, newer standard. Although this might sound like some unique "for-fun" modding project, the creator is actually looking to sell these unique GPUs for professional use and has priced the "super limited" card accordingly. It's currently going for a whopping $13,000.
Nvidia's RTX 5090 is the fastest gaming graphics card ever made, with 21,000+ CUDA cores, high clock speeds, and 32 GB of GDDR7 memory. That's incredible for gaming and pretty great for a range of professional tasks, including running local AI language models. But if you want to run really big local language models, that VRAM just isn't enough. Enter X (formerly Twitter) user I_Leak_VN, who has modified a 5090 with 128GB of GDDR7X memory (per Tom's Hardware), making it much faster than it was before, and far more capable for AI/professional tasks.
This is a surprise, even to most tech publications, because GDDR7X memory isn't even readily available in large batches for most manufacturers and isn't built into any commercially available consumer cards. Despite this, the modder has included a gargantuan amount on this single card. Although the "super limited" quantity of this card might be a joke about there being just one of them, it seems to suggest there may be more in the future.
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There are enterprise graphics card platforms with terabytes of memory, but this is the most VRAM we've ever seen on a graphics card. Previous mods have seen RTX 5090s with 48 GB and even 96 GB of VRAM, but 128GB of GDDR7X is something else entirely, especially considering it appears to actually work. This isn't just some proof of concept; the modder has shown screenshots of the memory being detected by the system. That's not to say it will work perfectly with existing drivers, but for $13,000, it'd better.
Although that much RAM wouldn't do much for gaming, it would be really interesting to see what effect using the newer, faster standard could do, especially if it could be overclocked. Get that card under LN2, flash it with a 1,000W BIOS, and it might be a record breaker—even more so than the RTX 6000 Pro.