The server has two onboard 1 GbE ports and up to two additional onboard 1/10 GbE network ports with optional LOM cards. Onboard ports and LOM cards use the Intel Ethernet Connection X722 1/10 GbE technology integrated into the Intel C622 Platform Controller Hub (PCH).
Lenovo Thinksystem 10GB 2x RJ 45-Ports Base-T Lom Card Only 7ZT7A00548