SK Hynix 4GB 1Rx16 PC4-2400T-SC0-11 DDR4 SODIMM SDRAM RAM HMA851S6AFR6N UH NO AC | eBay
Dell Memory Upgrade - 8GB - 1Rx16 DDR4 SODIMM 3200MHz | Dell Hong Kong
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