Chinese memory giant CXMT has reportedly achieved a significant milestone in DDR5 production, with manufacturing yields now comfortably above 90%. This is comparable to what major manufacturers like Samsung, SK hynix, and Micron are achieving. According to reports, CXMT uses a 17 nm node for DDR5...
Honestly I would have been surprised if they came to save the day, why would they subvention our broken economic system? If they ever enter the market (outside China) I doubt they would undercut memory suppliers that much.