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Tom’s Hardware
Tom’s Hardware
Technology
Zhiye Liu

Nvidia crypto mining GPUs hacked to restore locked-away VRAM — software mod unlocks 64GB of VRAM on $250 CMP 170HX

Nvidia Crypto Memory Mining Cryptocurrency AMD Noctua
GPUs in a crypto mining farm.

Now that the best graphics cards are worth a fortune for both gamers and AI enthusiasts, modders have resorted to hacking Nvidia’s older Cryptocurrency Mining Processor (CMP) series, originally released five years ago, as a way to overcome the ongoing memory shortage and ludicrous prices. CMP Unlocker, a completely software-based solution, has restored the previously locked-away memory on the CMP 170HX, boosting its memory capacity by up to 8X — from just 8GB to a massive 64GB, and from 10GB to 40GB.

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