About 15,000 counterfeit electronic products worth more than €300,000 have been seized by gardaí.
Earphones, controllers, USB plugs and chargers were found during a search in Dublin.
Gardaí searched a house in Dublin 3 and a business in Oak Close in Dublin 12 on Wednesday as part of Operation Bannister.
The operation targets criminal activity associated with the suspected sale of counterfeit electronic products of inferior quality.
Hard drives, mobile phones and documentation were also seized. It is expected that some suspects will be arrested and more searches may take place, a Garda statement said.