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400G QSFP-DD SR4+ PAM4 850nm MMA4Z00-NS400 DOM MPO Multimode Optical Module
400G QSFP-DD SR4+ PAM4 850nm MMA4Z00-NS400 DOM MPO Multimode Optical Module
400G QSFP-DD SR4+ Multimode Optical Module | PAM4 | 850nm | DOM | MPO
The Yiyuan Guanglian 400G QSFP-DD SR4+ optical module is an enhanced short-reach multimode solution designed for hyperscale data centers and AI computing clusters. Compatible with the MMA4Z00-NS400 specification, it delivers 400Gbps aggregate bandwidth via PAM4 modulation over OM4 multimode fiber — offering extended reach compared to standard SR4 while maintaining the same compact QSFP-DD form factor.
Key Features
- Enhanced Short-Reach Performance: SR4+ specification provides extended reach over OM4 multimode fiber compared to standard SR4, ideal for flexible data center cabling
- PAM4 Modulation: 4×100G PAM4 parallel architecture for efficient multimode fiber utilization
- MMA4Z00-NS400 Compatible: Meets industry-standard specifications for broad interoperability
- Digital Optical Monitoring (DOM): Real-time monitoring of temperature, voltage, bias current, and TX/RX optical power for simplified operations and maintenance
- 850nm Wavelength: Compatible with OM3/OM4 multimode fiber — the preferred choice for intra-data-center interconnects
- MPO Interface: Standard parallel interface, fully compatible with mainstream switches and servers
- Low Power Consumption: Compliant with QSFP-DD MSA standards, plug-and-play ready
- Wide Operating Temperature Range: 0°C ~ 70°C commercial-grade temperature range
Technical Specifications
- Data Rate: 400Gbps (4×100G)
- Form Factor: QSFP-DD
- Wavelength: 850nm
- Fiber Type: Multimode OM3/OM4 (MMF)
- Connector Type: MPO
- Modulation: PAM4
- Compatibility: MMA4Z00-NS400
- Digital Diagnostics: DOM Supported
- Supply Voltage: 3.3V
- Operating Temperature: 0°C ~ 70°C
- Standards: QSFP-DD MSA, CMIS Rev 5.2, IEEE 802.3
Compatible with Cisco, Arista, Mellanox, Juniper, Dell, and other leading-brand equipment. Each module undergoes rigorous testing before shipment to ensure reliable quality. Contact us for product selection assistance.
Product features
Product features
Technical Specifications：
Parameter Specification
Data Rate 1.6Tbps (2×800G)
Form Factor OSFP224
Modulation PAM4
Center Wavelength 1310nm
Transmission Distance 500m
Fiber Type Single-Mode Fiber (SMF)
Connector Type Dual MPO-12/APC
Digital Diagnostics DOM Supported
Operating Temperature 0°C ~ 70°C
Supply Voltage 3.3V
Compliance IEEE 802.3, MSA
Compatibility
Compatibility
Brand Switch Model
Cisco Nexus 9000 Series
Huawei CloudEngine CE9000 Series
Juniper QFX5220 Series
Arista 7800R3 Series
Nokia 7750 SR Series
Compatible with all MSA-compliant 1.6T OSFP224 ports. Please verify with your network equipment vendor before deployment.
Applications
Applications
Data Center Interconnect (DCI) — High-density 1.6T connectivity for hyperscale data centers
Cloud Computing — Ultra-high bandwidth backbone links for cloud service providers
5G Fronthaul / Backhaul — Supporting next-generation 5G network infrastructure
AI & HPC Clusters — Low-latency, high-throughput interconnects for AI training and HPC workloads
Enterprise Core Networks — Scalable backbone upgrades for large enterprise environments
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