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For sale is a MEM-A MC411- Industrial Memory Module PCB, backplane connector. Industrial control memory module / circuit board. Label reads: MEM-A MC411-. Large backplane connector marked PH86B30P1H. Smoked transparent cover with metal sides and pull tab/handle. 8-position DIP switch accessible from the front. Multiple ICs visible under the cover. Condition: used. Moderate scuffs and scratches on the case and some sticker residue; light dust inside the cover. Connector contacts look intact. Not powered on or function-tested; brand not identified. Sold as-is based on photos. Includes the module only. No rack, cables, or documentation. Typical use: replacement or spare for an industrial controller/PLC system, or for repair/parts and bench testing (assumption).