Adapter Cards definition: An adapter card is any internal expansion card that allows the computer to communicate with another peripheral. Adapter cards add functional... Adapter Cards Product Listing: AQN-107-124-SBA,AQN-108-101-SBA.Computer Equipment type:Accessories(13474),Privacy Filters, Screen Protectors(9442),Adapter Cards(992),Printers, Label Makers(825),Adapters, Converters(807) .Adapter Cards has 2 pieces of spot stock price information, you can click the "RFQ" button to confirm the inventory and price with the Twicea.