1 x Dell 40GbE QSFP+ SR 850nm MPO12 Transceiver Module AFBR-79E4Z-D-FT1. Form Factor: QSFP+. Compliance: QSFP+ MSA, IEEE 802.3ba. Optical Standard: 40GBASE-eSR4 (extended-reach SR4). Wavelength: 850nm.
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