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With 4F² promising a 33% smaller DRAM cell footprint, not every memory giant is convinced it’s the way forward. So where do they stand on 4F² devel...

What happened

Per a TrendForce post at 9:37 AM on Oct 28, 2026, 4F² promises a 33% smaller DRAM cell footprint, but not every memory giant is convinced it is the way forward. Micron says no to 4F², while SK hynix is keeping the door open: at today's earnings call, the Korean memory giant signaled plans to push its proven 6F² architecture further while continuing to explore 4F² and 3D DRAM for the future.

Impact and signal

Low impactImpact score: 20/100

Affected components and suppliers

4F² DRAM cell architecture6F² DRAM architecture3D DRAM
DRAM4F²6F²3D DRAMtechnology roadmapearnings call

Source and time

Source: TrendForce Official (Market Data) · 10/28/2026 · View original source

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