Arrow Lake is currently the only mainstream processor lineup to support CUDIMMs fully. AMD's Ryzen 9000 series (codenamed Granite Ridge) will accept CUDIMMs, but operate them in bypass mode. In other words, the CUDIMMs function as standard DIMMs without the benefits of the CKD.
Performance for 2 DPC configurations with Arrow Lake Refresh will mirror that of its Arrow Lake predecessors. Users can expect supported data rates of DDR5-4800 for single-rank modules and DDR5-4400 for dual-rank modules.
Of course, these recommendations constitute Intel's official specifications. Enthusiasts have long been utilizing faster memory via overclocking. It's likely, then, that Intel has optimized the integrated memory controller (IMC) on Arrow Lake Refresh to support higher CUDIMMs from the outset. The IMC's robustness has always been the determining factor as to whether a processor can manage memory exceeding Intel's baseline specifications.
In today's climate of memory shortages sparked by the AI boom, consumers might find it less exciting that Arrow Lake Refresh supports DDR5-7200 CUDIMMs. DDR5 prices have soared, making it challenging even for those willing to spend a small fortune to find DDR5-7200 CUDIMM kits in stock.
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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/ram/SPONSORED_LINK_URL
- https://www.tomshardware.com/pc-components/ram/intel-arrow-lake-refresh-cpus-arrive-with-native-ddr5-7200-cudimm-support-12-5-percent-higher-speeds-than-initial-arrow-lake-chips#main
- https://www.tomshardware.com
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Informational only. No financial advice. Do your own research.