The performance is impressive and it's good to see official support, but the question remains whether you can actually buy any of it.
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MSI appears to have been the first major motherboard vendor to publicly promote BIOS optimizations specifically for CXMT DDR5 memory, initially through China-market BIOS releases and later with global announcements . What Gigabyte is saying is a little different: not only is CXMT RAM supported on Gigabyte motherboards for both AMD's Socket AM5 and Intel's LGA 1851, but it's supported at impressive speeds of up to 8200 MT/s on select boards.
As proof, Gigabyte offers up a CPU-Z screenshot showing a pair of 16GB Lexar modules equipped with CXMT chips achieving a speed of 8200 MT/s with a CAS latency of just 40 cycles on one of its B850M FORCE motherboards. We have to remark that Gigabyte doesn't show the voltage required to hit these speeds, likely for good reason, but the firm did it without disabling the chip's integrated graphics. That doesn't prevent the chips from posting an excellent AIDA64 latency of just 65.4 nanoseconds on the monolithic Ryzen 5 8600G used for the test. For context, typical EXPO kits usually run around 80ns, JEDEC timings are more like 100ns, and LPDDR-based systems rarely come below 110-120ns.
As Gigabyte says, "CXSH (CXMT) chip-based memory offers a welcome additional source of supply for consumers." (CXSH is the JEDEC manufacturer ID code for CXMT) Gigabyte specifically notes that it is modules with 16-gigabit and 24-gigabit ICs that are supported; that means 16GB and 24GB single-rank modules, or 32GB and 48GB dual-rank modules.
While CXMT memory is certainly a welcome additional source of supply, it's also not really clear how much of that memory is actually making its way outside of China, particularly to the US and Europe. CXMT isn't on the US Commerce Department's "Entity List" yet, so the firm's parts aren't actually banned, but the company is once again considered a Chinese military company by the Department of Defense after being briefly removed from the 1260H list in February. Lawmakers here in the states, likely laden with donations from the big three memory firms, want to see CXMT banned , while US tech companies like Corsair, HP, and Dell are already integrating ChangXin RAM into their products, and Apple wants in, too .
China-made CXMT memory now supports faster speeds on MSI's AMD motherboards
Key considerations
- Investor positioning can change fast
- Volatility remains possible near catalysts
- Macro rates and liquidity can dominate flows
Reference reading
- https://www.tomshardware.com/pc-components/ddr5/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/ddr5/gigabyte-announces-support-for-chinese-made-cxmt-memory-pushes-it-to-8200-mt-s-on-socket-am5#main
- https://www.tomshardware.com/subscription
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Informational only. No financial advice. Do your own research.