QSFP-100G-EZR4-S Cisco Compatible 100G QSFP28 EZR4 100–120km SMF Transceiver

An OEM-compatible 100 Gigabit QSFP28 EZR4 transceiver, rated to 100–120km over single-mode fiber, coded and 100% tested to link up clean in your switch — backed by the GreenLights4Life® Limited Lifetime Replacement Warranty.

• Form Factor: QSFP28
• Data Rate: 100G
• Reach: 100–120km
• Wavelengths: LAN-WDM
• Fiber Type: SMF
• Connector: Duplex LC
• DDM/DOM: Supported
• Warranty: GreenLights4Life® Limited Lifetime Replacement Warranty

Compatibility: Built to the QSFP28 MSA and coded for Cisco platforms; for your exact line card or OS release, email 10.4@tenfouroptics.com and we'll confirm fit.

Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.

OEM-compatible and MSA-compliant. Manufactured to MSA specifications following ISO-certified processes. Class 1 laser certified, RoHS compliant. Digital Diagnostic Monitoring (DDM/DOM) supported. Every module is tested for traffic conformity per supported layer 2/3 protocols, DOM threshold verification, EEPROM/MSA value verification, serial number verification, and optical cleanliness before shipment.

In-stock items ship same or next business day.

Cisco® is a trademark of its respective owner. TenFour Optics is not affiliated with, sponsored by, or endorsed by Cisco. OEM part numbers are used solely to identify compatibility.