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QSFP-40G-CSR4-300M - Cablexa QSFP+, 40Gb/s, 40GBASE-CSR4, MMF, 850nm Band, 12-fiber MPO, 300M Transceiver Module
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40G QSFP+ ZR4 80km 1310nm LC Connector Optical Transceiver Compatible SFP Module 40GB QSFP 40G 80km Transceiver - AliExpress
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FCBN410QB1C03 – Quadwire 40Gb/s QSFP+ Active Optical Cable « Fiber Optic Transceivers, Direct-Attach Cables – SFP GBIC XFP QSFP – Quagwire
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