The QSFP-40G-ER4 is a 40G optical transceiver compatible with Cisco platforms. Plug-and-play, no configuration required.
-
Data Rate: 40G
-
Protocol: ER4
-
Wavelength: 1550nm
-
Fiber Type: SMF
-
Reach: 40km
-
Connector: Duplex LC
-
OEM Equivalent: QSFP-40G-ER4
OEM-compatible and MSA-compliant. Manufactured to supplier 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.
Backed by TenFourOptics' GreenLights4Life® lifetime warranty — buy it once, covered forever. In stock and ships same or next business day. Trusted by network engineers and procurement teams across North America for over 10 years.
