The ARI-QSFP-40G-LR4 is a 40G optical transceiver compatible with Arista platforms. Plug-and-play, no configuration required.
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Data Rate: 40G
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Protocol: LR4
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Wavelength: 1310nm
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Fiber Type: SMF
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Reach: 10km
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Connector: Duplex LC
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OEM Equivalent: ARI-QSFP-40G-LR4
Compatibility: Documented OEM compatibility (Arista published compatibility documentation): this module is accepted in 40G QSFP+ ports on the 7050X3 Series, 7060X Series, 7280R3 Series, and 7300X3 Series. Confirm your exact chassis, line card, and OS release against the Arista matrix before deployment.
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.
Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In-stock items ship same or next business day — contact 10.4@tenfouroptics.com to confirm availability and lead time. Trusted by network engineers and procurement teams across North America for over 10 years.
