Cisco - SFP28 transceiver module

10GbE, 25GbE - 10GBase-CSR, 25GBase-CSR - LC/PC multi-mode - up to 400 m - 840-860 nm - for P/N: C9500X-60L4D-EDU, FPR4225-ASA-K9, HCI-FI-6454, HCI-FI-6454-M6, HCI-FI-6536