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User achieves 80GB VRAM on CMP 170HX via voltage glitch

By PulseAugur Editorial · [1 sources] ·

A user successfully modified their CMP 170HX graphics card using a voltage glitch, increasing its VRAM to 80GB and its SM count to 126. The process involved a script written by Astra and took nearly 15 hours to complete. The user plans to perform a similar modification on a second CMP card. AI

IMPACT Increased VRAM capacity on consumer-grade hardware could lower barriers for running larger local LLMs.

RANK_REASON User modification of existing hardware for increased capacity.

Read on r/LocalLLaMA →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

User achieves 80GB VRAM on CMP 170HX via voltage glitch

How we ranked this

Signal score
12 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User modification of existing hardware for increased capacity.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
infra
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/LocalLLaMA TIER_1 English(EN) · /u/Yarukiless-cat ·

    I finally succeed the CMP 170HX voltage glitch and get 80GB VRAM + 126sm! !

    <table> <tr><td> <a href="https://www.reddit.com/r/LocalLLaMA/comments/1xwxzgj/i_finally_succeed_the_cmp_170hx_voltage_glitch/"> <img alt="I finally succeed the CMP 170HX voltage glitch and get 80GB VRAM + 126sm! !" src="https://preview.redd.it/qop0ivudms1i1.jpeg?width=140&amp;he…

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