QSFP-DD 400GBASE-DR4 Optical Transceiver Module
Save significantly on enterprise-grade 400G connectivity with this refurbished QSFP-DD DR4 transceiver from Reef Telecom. Backed by our industry-leading 10-year warranty, this module delivers reliable 400GBASE-DR4 performance for data centers, high-performance computing networks, and service provider applications.
Technical Specifications
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Data Rate: 400Gbps (4x 100G PAM4 lanes)
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Wavelength: 1310nm EML transmitter
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Reach: Up to 500m over single-mode fiber (SMF)
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Connector: MPO-12/APC (MTP compatible)
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Form Factor: QSFP-DD (Double Density)
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Standards: IEEE 802.3bs 400GBASE-DR4, QSFP-DD MSA, 400GAUI-8
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Modulation: PAM4 pulse amplitude modulation
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Monitoring: Digital Diagnostic Monitoring (DDM/DOM)
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Operating Temp: 0°C to +70°C (Commercial)
Key Features & Benefits
- Supports 4x 100G breakout to QSFP28 100G-DR modules
- Backward compatible with QSFP+, QSFP28, and QSFP56 ports
- Four parallel SMF channels optimize fiber utilization
- Hot-pluggable design for zero-downtime deployment
- FEC support for enhanced signal integrity
Ideal Applications
Deploy this 400G DR4 transceiver for data center spine-leaf interconnects, high-performance computing clusters, AI/ML training infrastructure, campus backbone links, and enterprise core-to-distribution connections. Simplify your cabling with parallel SMF over MPO-12 while achieving 400GbE throughput up to 500 meters.
Free shipping on orders over $300. Every refurbished transceiver from Reef Telecom includes our 10-year warranty and is fully tested for guaranteed performance. Bulk pricing available for large-scale deployments.
