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OEM SKU: XFP-10G-BX-U-20KM 

Cisco Compatible Single Fiber 10G XFP Module (Tx/Rx 1270/1330nm, 1.24-11.32 Gbps, Max. 20km over SMF, 12 dB, Temp. 0-70C)

OEM SKU: FTCD4323E3PCL 

II-VI / Finisar Compatible 400GBASE-LR4 QSFP-DD Module (Tx/Rx 4 CWDM lanes:1271, 1291, 1311, 1331, 106.25 Gbps (PAM4) per lane, up to 425 Gbps, Max. 10km over SMF, 6.3 dB, Temp. 0-70C, LC Connector)