China’s Latest Technology Could Replace RAM Forever

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A 32GB DDR5 kit now costs close to $500, because AI data centers are swallowing the world's DRAM. In Shanghai, Fudan University's PoX memory writes a bit in 400 picoseconds, faster than SRAM, and keeps it with the power off (Nature, 2025); its Changying chip already runs on standard silicon. Meanwhile CXMT ships DDR5 at scale. What is proven in the lab, what is still a promise, and why the RAM in your next PC may be built differently.

What did your last memory upgrade cost you? Tell us in the comments.

Chapters:
0:00 PoX: China's 400-Picosecond Memory
1:46 The $475 RAM Kit on Your Desk
4:24 AI Data Centers Swallow the DRAM
5:57 Micron Kills Crucial, Samsung Cashes In
9:10 Why Your RAM Forgets Everything
12:45 How PoX Beats SRAM at Its Own Game
16:00 Changying: From One Device to a Chip
18:57 Proven in the Lab vs Still a Promise
20:44 CXMT: China's Memory Already Shipping
23:57 The Truth About CXMT Prices

Sources:
Nature — Subnanosecond flash memory enabled by 2D-enhanced hot-carrier injection (April 16, 2025) — https://doi.org/10.1038/s41586-025-08839-w
Nature — A full-featured 2D flash chip enabled by system integration (October 8, 2025) — https://doi.org/10.1038/s41586-025-09621-8
TrendForce — 1Q26 DRAM contract price forecast raised (February 2, 2026) — https://www.trendforce.com/presscenter/news/20260202-12911.html
The Register — Micron ditches consumer memory brand Crucial (December 3, 2025) — https://www.theregister.com/2025/12/03/micron_cuts_crucial/
Counterpoint Research — CXMT's stock market debut and the Big Three memory club (July 2026) — https://counterpointresearch.com/en/insights/cxmt-stock-market-big-three-memory-club
Fudan University — Breakthrough in 2D flash chip achieved (October 2025)
Blocks & Files — Chinese researchers claim fastest memory in graphene-based paper (April 22, 2025)
Caixin — Memory shortage works out for Chinese chipmaker CXMT (May 19, 2026)
Wccftech — CXMT's "cheap" DDR5 is a myth, memory vendors tell us at Computex (June 6, 2026)
PCWorld — China's RAM boom is here. Your cheap PC is not (July 28, 2026)

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This channel is made by an enthusiast who loves business and technology history — nothing more. All videos are for educational and entertainment purposes only and reflect my personal views and interpretations. I research each story carefully using publicly available sources, but errors or omissions can happen. Nothing here is professional, financial, or legal advice, and this channel is not affiliated with, endorsed by, or sponsored by any company mentioned.