Around 15,000 counterfeit electronic products worth more than €300,000 have been seized by gardai.
Earphones, controllers, USB plugs, and chargers were seized in Dublin.
Gardai searched a house in Dublin 3 and a business in Oak Close in Dublin 12 yesterday as part of Operation Bannister.
This operation is targeting criminal activity associated with the suspected sale of counterfeit electronic products of inferior quality.
They found 15,000 counterfeit items along with a significant amount of branded packaging.
Hard drives, mobile phones, and documentation were also seized.
Gardai say they have taken statements from potential witnesses, and it's expected that after an assessment of the property seized, suspects will be arrested and further searches may take place.