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OEM SKU: FTL4C1QM2C 

Finisar Compatible Double Fiber 40G QSFP+ Module (Tx/Rx 4 CWDM lines:1271,1291,1311,1331, up to 44.8 Gbps, Max. 10km over SMF, 9.7 dB, Temp. 0°C to 75°C, LC Connector)

OEM SKU: SPTSHP3PMCDF 

Intel Compatible 400GBASE-DR4+ QSFP-DD Module (Tx/Rx 4×1310 PSM4, 106.25 Gbps (PAM4) per lane, up to 425 Gbps, Max. 2km over SMF, 4 dB, Temp. 0-70C, MTP/MPO-12 Connector)