PRE-QSFP56DD-VR4
The PRE-QSFP56DD-VR4 is a 400G QSFP-DD transceiver designed for short-reach applications over multimode fiber (MMF), supporting 850nm VCSEL technology, MPO-12 connectivity, and up to 50 meters for high-density data center and enterprise environments.
QSFP-DD, VR4, 850nm, 400G, 50m, MMF/MPO12-APC
The PRE-QSFP56DD-VR4 is a high-performance 400G QSFP-DD transceiver designed for data centers and enterprise networks, delivering reliable short-reach connectivity over multimode fiber (MMF). Compliant with 400GBASE-VR4 Ethernet, IEEE 802.3bs/802.3db, and the QSFP-DD MSA, it supports seamless integration into next-generation network architectures. Featuring CMIS 4.0, a Class 1 laser, and full RoHS compliance, this module ensures safe, standards-based, and environmentally responsible high-speed operation.
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Single Wave PAM4 Modulation
Utilizes PAM4 modulation to transmit 400Gbps over a single wavelength per lane, effectively doubling the data rate without increasing the bandwidth requirements. -
PIN Receiver
Integrated PIN photodiode receiver offers high sensitivity and low noise performance, ensuring reliable data recovery in short-reach, high-speed optical links. -
850nm VCSEL
Equipped with an 850nm Vertical-Cavity Surface-Emitting Laser (VCSEL) for efficient and cost-effective optical transmission over multimode fiber. -
MMF OM4/OM5 Transmission Medium
Designed for use with OM4 and OM5 multimode fiber, enabling optimized performance and extended reach in high-density data center environments. -
MPO-12 Connector Available
Features an MPO-12 APC connector, supporting parallel optics and simplified cable management for high-bandwidth, short-distance interconnects. -
Digital Diagnostic Monitoring (DDM)
Supports DDM functionality, providing real-time monitoring of critical parameters such as temperature, voltage, and optical power for proactive maintenance. -
C-Temp Rated
Rated for commercial temperature (0°C to 70°C) environments, ensuring stable and reliable operation in controlled indoor deployments. -
400Gbps Maximum Data Rate
Delivers up to 400Gbps aggregate throughput, ideal for high-capacity switching, routing, and interconnect applications in modern network infrastructures. -
<8W Power Consumption
Offers low power operation under 8 watts, reducing thermal load and improving energy efficiency in high-density systems.
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Data Center
Optimized for high-speed interconnects in data centers, this transceiver enables efficient 400G connectivity between switches, routers, and servers over short distances, reducing latency and improving bandwidth scalability. -
Enterprise Networks
Ideal for enterprise core and aggregation layers, the module delivers high-throughput data transfer, supporting bandwidth-intensive applications and facilitating future-proof network infrastructure upgrades. -
400GBASE-VR4 Ethernet
Fully compliant with the 400GBASE-VR4 Ethernet standard, the module provides reliable 400G performance over multimode fiber, ensuring seamless integration with current-generation 400G network equipment.
