AMD's Mext buy shows how AI could solve the RAM shortage it created

**TL;DR:** AMD's Mext buy shows how AI could solve the RAM shortage it created

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With no end in sight to the memory crunch, AMD thinks that AI, the main cause of the shortage, could be part of the solution. This week, the House of Zen acquired predictive memory startup Mext for an undisclosed sum, setting the stage for a world where bots decide which data to put into RAM and which to store in less-expensive flash.

Founded in 2023, the Mext proactive memory platform uses machine learning algorithms and learned heuristics to proactively offload "cold" memory to flash storage, and, based on data access patterns, restore it before its needed again. Modern flash arrays are already approaching main memory in terms of aggregate bandwidth, but swapping to disk still imposes a stiff latency penalty. Mext claims it can expand the effective memory of a system by 2 to 4x using flash, which gig for gig is still vastly less expensive than DRAM.

This flash memory is exposed to the operating system like regular memory simply by running the Mextd daemon. Memory tiering is nothing new and has seen various reincarnations over the years with some being software based and others, like Intel Optane persistent memory, using special 3D XPoint memory tech co-developed by Micron. Mext s

Source: The Register

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Last updated: June 16, 2026.

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