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The H3C QDD-DR4-400G Compatible LINK-PP module is a transceiver module designed for 500m optical communication applications, and it is compliant to 100G Lambda MSA standard. This module can convert 8-channel 53.125Gb/s electrical data to 4- channel 106.25Gb/s optical signals, and multiplex them into a single channel for 425Gb/s optical transmission.
| H3C Part Number | QDD-DR4-400G | Vendor Name | LINK-PP |
| Part Status | Active | Form Factor | QSFP-DD |
| Max Data Rate | 425Gbps (4x106.25Gb/s) | Max Cable Distance | 500m |
| Wavelength | 1310nm | Media | SMF |
| Connector | MTP/MPO-12 APC | Receiver Type |
PIN |
| Modulation Format | PAM4 | Application | 400G Ethernet |
| DDM/DOM | Supported | Operating Temperature Range |
0°C to +70°C |
| Protocols | QSFP-DD MSA HW Rev 5.1, QSFP-DD CMIS Rev 5.0, IEEE 802.3bs | Warranty | 5 Years |
Take advantage of our testing program to evaluate the reliability and performance of our optical transceivers.
LINK-PP 400G Connectivity for Data Centers
The LINK-PP 400G QSFP-DD transceiver delivers ultra-high-speed, high-density, and energy-efficient (18W) performance for next-generation networks.It provides a reliable and scalable solution to achieve 400G data transmission with enhanced signal integrity and low latency.Ideal for large-scale cloud computing, AI, and high-performance data center environments requiring maximum bandwidth efficiency.

Tunable Power for DWDM Optimization
The LINK-PP DWDM transceivers feature adjustable transmit power, allowing precise tuning for optimal system margin and signal balance.This flexibility enhances network stability, performance, and link efficiency across dense wavelength environments.By maintaining power equilibrium, they eliminate the need for manual crosstalk correction, simplifying deployment and maintenance.Ideal for long-haul and metro DWDM systems requiring high reliability and scalability.





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