NM-A681 Main Board — Compatible with FOR 100-14IBD / 100-15IBD B50-50 (Single Unit)

Replacement main board NM-A681 compatible with FOR 100-14IBD and 100-15IBD B50-50 models. This listing is for a single purchase (one main board) intended to replace the original motherboard in the specified B50-50 series. Confirm model compatibility before ordering.