Apple is reportedly evaluating a new DRAM supplier for its future iPhones. According to a recent report, the company is testing memory chips made by Chinese manufacturer ChangXin Memory Technologies (CXMT) for the upcoming iPhone 18 lineup. The move comes despite CXMT appearing on a U.S. blacklist over alleged military ties, making the development one of the most closely watched supply chain stories ahead of Apple’s next-generation smartphones. Apple has not officially confirmed the report.

Apple Reportedly Testing DRAM Chips for iPhone 18
According to reports, Apple has begun testing DRAM chips supplied by ChangXin Memory Technologies (CXMT). The chips are reportedly being evaluated for iPhone models sold in China, although Apple would still require regulatory approval before using them in commercial products.
The reported testing follows Apple’s recent decision to extend its semiconductor partnership with Broadcom through 2031, suggesting the company is continuing to diversify its component suppliers while securing long-term production capacity.
Why Is CXMT Controversial?
CXMT is one of China’s largest DRAM manufacturers. Earlier this year, the company was added to a U.S. list of firms alleged to have links to the Chinese military, creating uncertainty around future business relationships with American companies.
Despite those restrictions, reports claim Apple is exploring whether CXMT’s memory chips could be used in devices intended for the Chinese market, subject to government approval.
What This Could Mean for the iPhone 18
If Apple eventually approves the new supplier, the decision could offer several potential benefits.
Better Supply Chain Flexibility
Adding another DRAM supplier could reduce Apple’s dependence on a limited number of memory manufacturers and improve supply stability during periods of high demand.
Lower Component Costs
Greater supplier competition may help Apple control manufacturing costs, particularly during periods of memory shortages.
China-Focused Production
Current reports suggest the chips are only being considered for iPhone units sold in China rather than the global iPhone 18 lineup. That could allow Apple to strengthen its local supply chain while limiting broader geopolitical risks.
Expected iPhone 18 Launch Timeline
Apple has not announced the iPhone 18 series yet. Based on the company’s typical release schedule, the lineup is expected to debut next year.
At this stage, there is no confirmation that CXMT memory chips will appear in retail iPhone 18 models.
Why This Report Matters
The Apple iPhone 18 DRAM Chips report highlights how Apple’s supply chain continues to evolve. Rather than focusing only on new features, the company is also working to secure component availability for future devices.
If Apple receives regulatory approval and completes testing successfully, CXMT could become another supplier in Apple’s complex global manufacturing network. However, because the information comes from reports rather than official announcements, it should be treated as unconfirmed until Apple comments publicly.
FAQs
Is Apple using CXMT memory chips in the iPhone 18?
Not yet. Reports say Apple is testing the chips, but there is no confirmation that they will be used in commercial iPhone 18 models.
Which company is Apple reportedly testing?
The reports mention ChangXin Memory Technologies (CXMT), a Chinese DRAM manufacturer.
Will all iPhone 18 models use these chips?
Current reports suggest the testing is focused on devices intended for the Chinese market. Apple has not announced any final supplier decisions.
Has Apple officially confirmed the report?
No. Apple has not commented publicly on the reported DRAM testing or confirmed any plans to use CXMT as an iPhone 18 supplier.