Apple tests CXMT DRAM for China iPhones as AI squeezes supply
TL;DR
- Apple is testing CXMT memory chips for iPhones and MacBooks, with the goal of using them in some devices sold in China.
- HP and Acer are already putting CXMT DRAM into laptops sold outside the U.S. to ease an AI-driven memory shortage.
- US export rules bar American firms from sharing chip design specs with CXMT, so Apple would have to accept off-the-shelf parts.
Apple is quietly qualifying DRAM from Changxin Memory Technologies, China's largest DRAM maker, for use in iPhones and MacBooks aimed at devices sold in China, the Wall Street Journal reported. It is one small line in a much bigger story: the AI datacenter buildout has pulled so much memory out of the market that Chinese makers are, per the reporting, now picking clients and in some cases charging more than Samsung and SK Hynix.
The interesting part is what Apple would be giving up to do this. Apple's memory usually comes co-designed with the supplier so it slots cleanly into the iPhone or Mac silicon story. US export rules bar American firms from sharing that kind of design detail with CXMT, so any Apple order would be off-the-shelf parts, not tuned ones. That is a real departure from how Apple has run its component pipeline, and it tells you how tight the supply picture has become when Apple is willing to accept the trade.
Apple is not the first through the door. HP and Acer are already using CXMT memory in notebooks sold outside the US, and per Tom's Hardware Asus is doing the same in small volumes. CXMT's global DRAM share reached 7% in the second quarter and the company has maxed out capacity this year, which limits how much relief any single customer can actually pull out of it.
The honest caveat is that this is not a done deal. Apple is reportedly lobbying the White House for sign-off, US senators have publicly warned it off Chinese memory suppliers, and lawmakers in Washington are pushing to have CXMT outright blacklisted. Take the specifics as reported, not as settled. What the reporting does not give you is which SKUs, which model year, or on what timeline any of this would ship.
The forward read is straightforward. If AI-driven DRAM scarcity holds, more Western OEMs will quietly do what Apple is now testing, and the political question of whether a Chinese memory maker can be a legitimate Western supplier moves from theoretical to operational.
Shared on Bluesky by 3 AI experts
Originally reported by wsj.com
Read the original article →Original headline: WSJ: Apple Tests China's CXMT DRAM for iPhone and MacBook, US Rules Block Custom-Chip Design Sharing