A gold finger board is a circuit board featuring one or more rows of gold-plated conductive contacts along the edge of a PCB (printed circuit board). Its name originates from the finger-like appearance of these edge contacts and the gold plating process applied.
Gold finger boards are PCBs featuring gold-plated insertion/removal contacts, suitable for high-reliability connection applications. Gold fingers are commonly used to achieve high-reliability pluggable electrical connections between circuit boards and external devices or motherboard slots.
Widely used in electronic products such as memory modules (RAM), graphics cards, PCI/PCIe expansion cards, and hard drive interface cards where high-reliability electrical plug-and-play connections are needed.
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