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OEM SKU: SPTSHP2PMCDF 

Intel Compatible 400GBASE-DR4 QSFP-DD Module (Tx/Rx 4×1310 PSM4, 106.25 Gbps (PAM4) per lane, up to 425 Gbps, Max. 500m over SMF, 3 dB, Temp. 0-70C, MTP/MPO-12 Connector)

OEM SKU: QDD-400-AOC5M 

Cisco Compatible 400G QSFP-DD to QSFP-DD Active Optical Cable (425 Gbps, Max. 5m, MMF, OM4, DDM/DOM supported, Temp. 0-70C)