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Tom’s Hardware
Tom’s Hardware
Technology
Bruno Ferreira

Enthusiast turns a Lenovo Yoga laptop, an M.2 slot, and AMD Radeon RX 7900 XT into 'the world's stupidest' desktop for local AI chatbots — M.2 franken-rig crippled by laptop DRAM swap

Lenovo Yoga with Radeon 7900 XT.

About a month ago, techie Redditor Alternative-Panic69 (Panic) had the idea of acquiring a Radeon 7900 XT with 20 GB of VRAM for LLM use, a significant undertaking in their home country of India. They found one for $550, an excellent deal even by Western standards, and they were off to the races with Qwen and GLM in tow. Panic intended to use this card in a Lenovo M910Q desktop, but the machine wouldn't cooperate, so recently they turned to the next logical thing: a Lenovo Yoga laptop.

As Panic themselves put it, they took the "completely sane decision to perform surgery on [their] laptop." Armed with an ADT-Link PCIe external cable connector wired to the laptop's M.2 slot, a DeepCool PL750D power supply, and some quick bottom-panel removal, they managed to wire everything together in a manner that mostly worked.

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