QDD-400G-ZRP Arista Compatible 400G QSFP-DD ZR+ 120km SMF

The QDD-400G-ZRP is a 400G QSFP-DD optical transceiver compatible with Arista platforms.

• Form Factor: QSFP-DD
• Data Rate: 400G
• Type: Coherent ZR+ (OpenZR+), tunable
• Fiber Type: SMF
• Reach: 120km
• Connector: Duplex LC
• OEM Equivalent: QDD-400G-ZRP

Compatibility: Coherent 400G/800G modules are host-dependent — support varies by chassis, line card, port, airflow, and software release. The QDD-400G-ZRP-ARI-TFO is TenFour Optics' compatible equivalent of the Arista QDD-400G-ZRP, coded per order for Arista platforms. Add your switch model and OS release in the order notes, or email 10.4@tenfouroptics.com, and we confirm coding before it ships.

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

OEM-compatible and MSA-compliant. Compliance documentation (RoHS declaration, IEC 60825-1 laser classification) is available on request for project quotes. 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.