Solved: RAM for laptop - HP Support Community - 7355494
Laptop ram 1Rx16 to 1Rx8 or 2Rx8? - updated with before/after results - CPUs, Motherboards, and Memory - Linus Tech Tips
Single Rank Memory vs. Dual Rank Memory (vs Quad Rank Memory) - OEMPCWorld
1Rx8 vs 2Rx8: A Detailed Comparison Guide Between the Two RAMS
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