ARI-QSFP-100G-ER4 Arista Compatible 100G QSFP28 ER4 40km Transceiver

The ARI-QSFP-100G-ER4 is a 100G QSFP28 optical transceiver compatible with Arista platforms. Plug-and-play, no configuration required.

• Form Factor: QSFP28
• Data Rate: 100G
• Protocol: ER4
• Wavelength: 1550nm
• Fiber Type: SMF
• Reach: 40km
• Connector: Duplex LC
• OEM Equivalent: ARI-QSFP-100G-ER4

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. This module follows Arista's published compatibility matrix; 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.

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 10 years.