Dell EMC QSFP-40G-ER4 Comp QSFP+ SM Module - 40G... Dell EMC QSFP-40G-ER4 Comp QSFP+ SM Module - 40GBase-ER4Q
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Key features
  • 100% Compatibility with Dell EMC QSFP-40G-ER4 guaranteed
  • SFP modules are backed by a lifetime warranty
  • Meets or exceeds OEM specifications and Multi-Source Agreement (MSA) industry standards
  • Low power consumption of less than > 1.6W
  • Hot-swappable with fiber-optic modules
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Product Description


The QSFP40GER4ES is a Cisco QSFP-40G-SR4-S compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBase-SR4 compliant networks, with a maximum distance of up to 40 km (24.8 mi).

This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.



Product Description Dell EMC QSFP-40G-ER4 Compatible QSFP+ Module - QSFP+ transceiver module - 40 Gigabit LAN
Device Type QSFP+ transceiver module - LC single-mode
Form Factor Plug-in module
Cabling Type 40GBase-ER4Q
Data Transfer Rate 40 Gbps
Optical Wave Length 1311 nm
Data Link Protocol 40 Gigabit LAN
Max Transfer Distance 40 km
OEM Manufacturer Equivalent Part Number Dell EMC QSFP-40G-ER4
Dimensions (WxDxH) 5.84 cm x 1.39 cm x 1.26 cm
Weight 40 g
Manufacturer Warranty Limited lifetime warranty

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