Gold Finger PCBs from Gold Finger PCB Manufacturer, also known as gold-plated edge connectors, feature gold-plated contacts along their edges, facilitating reliable electrical connections between PCBs and external components. These specialized PCBs are commonly used in devices that require frequent plugging and unplugging, such as memory cards, computer motherboards, and expansion boards. The gold plating on the edge connectors provides several advantages, including excellent conductivity, corrosion resistance, and protection against wear and tear.