The Optical Transceiver 400G QSFP-DD DR4++ is engineered to deliver high-speed, long-reach optical connectivity for AI-driven and data center network environments. Supporting eight 53.125Gbps channels and operating at a 1310nm wavelength, this transceiver enables reliable 400G Ethernet and InfiniBand transmission over single-mode fiber up to 10 km.
Leveraging advanced silicon photonics technology combined with PIN receivers, the QSFP-DD DR4++ module provides strong optical output power, excellent receiver sensitivity, and stable signal integrity across extended distances. Featuring an MPO-12 connector and a compact QSFP-DD form factor, it supports scalable parallel-optics architectures. With commercial temperature operation and a maximum power consumption of 12W, this transceiver is well suited for AI clusters and modern data center infrastructures requiring production-ready, long-reach optical solutions.
Product Type
DR4
Form Factor
QSFP-DD
Data Rate
8*53.125Gbps
Wavelength
1310nm
Component
SiPh+PIN
Output Power
-1.9~4.8dBm
Rec. Sens
-6.1dBm
Connector
MPO-12
Case Temp.
C
Reach
10km
Max Power Consumption
12W
Application
AI, Data Center
Protocol
Ethernet, IB
Built for Deployment, Not Just Specification
ATOP products are engineered for real-world network environments where performance, compatibility, and long-term reliability matter.
Each product is designed, manufactured, and validated within ATOP’s factory-direct production ecosystem, ensuring consistency across batches, predictable availability, and dependable operation beyond initial deployment.
Compatibility & Ongoing Validation
This product is validated for interoperability with mainstream platforms and undergoes continuous review across firmware updates and production cycles.
Compatibility at ATOP is not a one-time certification. It is actively maintained to reduce deployment risk, prevent post-installation issues, and support stable operation as networks evolve.
Supply, Scale & Lifecycle Assurance
As a manufacturer, ATOP controls the full lifecycle of this product, from component sourcing and assembly through testing, traceability, and volume delivery.
Consistent performance across production runs
Predictable lead times and scalable supply
Long-term availability aligned with customer roadmaps
Traceability, Compliance & Sustainability
Each ATOP product is backed by full production traceability and compliance documentation, including ESG and regulatory requirements where applicable.
Factory-level visibility enables accurate reporting, audit readiness, and confidence in sourcing, without retroactive data collection or assumptions.
Part of a Broader Portfolio
This product represents one configuration within ATOP’s wider portfolio of optical transceivers and high-speed interconnect solutions. Variants, adjacent specifications, and alternative form factors may be available based on platform, reach, or deployment requirements.
If you don’t see an exact match, ATOP can advise on equivalent or optimized alternatives.
