400G QSFP-DD SR4 Multimode Optical Module, 850nm, 100m, DOM

400G QSFP-DD SR4 Multimode Optical Module | PAM4 | 850nm | 100m | DOM | MPO-12/APC

The Yiyuan Guanglian 400G QSFP-DD SR4 optical module delivers high-density 400G connectivity for hyperscale data centers and high-performance computing environments. Utilizing PAM4 modulation with 4×100G parallel channel architecture, it supports a maximum transmission distance of 100 meters over OM4 multimode fiber — the ideal choice for intra-data-center rack interconnects.

Key Features

• High Bandwidth: 400Gbps aggregate bandwidth, ideal for AI training clusters and next-generation data center spine-leaf architectures
• PAM4 Modulation: 4×100G PAM4 parallel architecture for efficient multimode fiber utilization
• 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 short-reach intra-data-center interconnects
• MPO-12/APC Interface: Standard interface design with broad compatibility for 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)
• Transmission Distance: 100m (OM4) / 70m (OM3)
• Connector Type: MPO-12/APC
• Modulation: PAM4
• 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.