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Beware of the single rank x16 RAM kits sneaked in some laptop models! The 1Rx16 modules have significantly lower bandwidth compared to the 1Rx8 variants - NotebookCheck.net News
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That is better 2 dual rank dimm's or 4 single rank. - CPUs, Motherboards, and Memory - Linus Tech Tips
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DDR4 rank for Ryzen, help me understand | AnandTech Forums: Technology, Hardware, Software, and Deals
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