The IBM Intel PRO/1000 PT Dualport, MPN 39Y6127-RFB, is a PCIe networking adapter for adding network connectivity to a compatible computer or server. Its dual-port design provides two network connections from one adapter, making it useful where two wired links are needed.
This listing identifies the card as refurbished. It is described as a PCIe model, so its interface is the key installation detail confirmed for this item. The exact model name helps distinguish it from other PRO/1000 PT adapters, including versions with a different port configuration.
The adapter is listed under IBM part number 39Y6127-RFB.