Runs between rows, across risers, and out to adjacent buildings all sit inside 500m, and that span is the ground the QSFP-100G-PSM4 covers: 100G at 1310nm over single-mode fiber from a QSFP28 cage terminated in duplex LC. It arrives coded for Arista hosts, so the module is recognized the moment it seats, with DDM/DOM readings live from link-up onward and nothing beyond seating it needed to bring the port to full rate.
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Form Factor: QSFP28
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Data Rate: 100G
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Wavelength: 1310nm
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Fiber Type: SMF
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Reach: 500m
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Connector: Duplex LC
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OEM Equivalent: QSFP-100G-PSM4
Compatibility: Documented OEM compatibility (Arista published compatibility documentation): this module is accepted in 100G QSFP28 ports on the 7020R Series, 7050X3 Series, 7060X Series, 7060X4 Series, 720XP Series, 7280R3 Series, 7300X3 Series, and 7800R3 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.
As a drop-in for the Arista part of the same number, it holds a spare-shelf slot or goes straight into a new build without touching port configuration. The module adheres to its MSA across interface and management functions, and each one is bench-run before it is boxed. It is 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.
