Difference RAM DIMM (Long), SO-DIMM, And Soldered (Laptop)
Crucial - DDR4 - module - 16 Go - SO DIMM 260 broches - 2666 MHz / PC4-21300 - CL19 - 1.2 V - memoire sans tampon - non ECC - pour Apple iMac (Debut 2019); Mac mini (Fin 2018) (CT16G4S266M) | DDR4 | Inso.ca
Can you mix SODIMM and DIMM type RAM, provided they are DDR3 types? - Quora