40GBase-LR4 Lite, 40GBase-IR4 QSFP+ to Dual LC Optical 40G Ethernet transceiver module, 4 CWDM lanes, SMF, up to 2km.
Wide Compatibility - Cisco WSP-Q40GLR4L QSFP-40G-IR4 and other Open Switches.
Easy to Use - Easy installation, plug and play, fully hot-pluggable. Widely used in fiber switches, routers, NIC, server or other fiber optic equipment with 40Gb QSFP+ ports.
Superior DDM Function - DDM allows you to monitor the critical information concerning the status of the transmitted and received signals of the transceivers in real-time to find out some potential problems.
10Gtek is a manufacturer of transceiver, customized service is available.
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10Gtek 40GBASE-IR4 40GBase-LR4 Lite QSFP+ LC Single-Mode Transceiver Module for Cisco WSP-Q40GLR4L QSFP-40G-IR4, Dual LC Optical Module, 2km
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First Listed on Newegg
October 26, 2025
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