olemus
emaplaadile pesi lisav vaheplaat
= intermediate PCB for adding slots to motherboard

näiteid
https://duckduckgo.com/?q=riser+card&t=h_&iax=images&ia=images

ülevaateid
https://www.computerhope.com/jargon/r/risecard.htm

https://en.wikipedia.org/wiki/Riser_card