Smart cards are for security, Express cards are used to add ports and external graphics. Card reader is for SD cards.
GBAtemp.net - The Independent Video Game Community
SAIYAN48
SylverReZ
This is 2023, not the 1980s where you had your IBM machine in your dusty basement. /jk
AncientBoi
Guess I gotta get a Micro SD card reader 
AncientBoi
My old laptop had one. but I already tore it apart. Badly. 