Hot-pluggable QSFP+. QSFP+ MSA and IEEE 802.3ba 40GBASE-SR4. MPO Multi-Mode QSFP+ Transceiver. 850nm Quad VCSEL Laser. Up to 150m reach on OM4 fibre. Genuine Dell QSFP-40G-SR4 Transceiver. Dell P/N :7TCDN.
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