Cisco N56-M24UP2Q Nexus N5K-C56128P 24 porte SFP+ modulo di espansione
Came out from a working Nexus 5k. Check the pictures for type label and Nexus specific type. It was in operation for about 6 years. It comes with cisco transceivers 4 of 1g and 8 of 10g for MM fiber. See pictures.