Micron pulls the plug on future 4F² DRAM after two decades of research in dramatic shift
- ID
- 38294
- Status
- summarized
- Published
- 22 Oct 2026, 8:00 PM
- Fetched
- 22 Oct 2026, 10:08 PM
- Provider
- Tom's Hardware
- Category
- technology
- Original URL
- https://www.tomshardware.com/pc-components/dram/micron-pulls-the-plug-on-future-4f2-dram-after-two-decades-of-research-in-dramatic-shift-company-says-architecture-offers-no-meaningful-density-advantages-increases-manufacturing-complexity-and-costs-and-has-fundamental-scaling-limitations
- Source URL
- https://www.tomshardware.com/feeds/all
Summary
- Score
- 3.5
- Created
- 22 Oct 2026, 10:10 PM
- Tags
- Audience
- developersai_ml_learnerssaas_founders
What happened
Micron has ended its 4F² DRAM research program after roughly two decades, with the company stating the architecture delivers no meaningful density advantage while increasing manufacturing complexity and cost, and that it has fundamental scaling limitations. The Tom's Hardware piece as supplied is almost entirely site navigation and paywall chrome — it contains no figures on capacity, pricing, timeline, or what Micron pursues instead. Treat the substance as a single-sentence corporate rationale, not a technical postmortem.
Why it matters
There is nothing to change in your stack from this item: no price, capacity, node date, or product impact is stated. The one decision it touches is planning assumptions — if your hosting or inference cost model assumes memory cost per GB keeps falling on the historical curve, note that Micron has publicly written off one of the candidate paths (4F²) on the grounds of no density win at higher manufacturing cost and complexity. That is a signal about the roadmap, not a change in today's prices.
Discussion angle
Micron's stated reason is cost and complexity with no density payoff — ask the room whether anyone's cloud or AI cost model actually depends on DRAM density improving, and whether they'd notice within a year if it stalled.