The 400G QSFP112 DR4 SiPh optical transceiver, housed in an QSFP112 package and featuring DSP technology manufactured using a 7nm process, incorporates a low insertion loss silicon optical chip. This transceiver is specifically engineered for facilitating 400 Gigabit Ethernet connections over distances of up to 500 meters through single-mode fiber. It accommodates four independent electrical signal input/output channels, each operating at a speed of 106.25Gbps. Additionally, it includes a single transmitter/receiver unit. Its electrical interface conforms to the 400GAUI-4 standard outlined by IEEE 802.3ck.
Product Type
DR4
Form Factor
QSFP112
Data Rate
4*106.25Gbps
Wavelength
1310nm
Component
SiPh+PIN
Output Power
-2.9~4dBm
Rec. Sens
-3.9dBm
Connector
MPO-12
Case Temp.
C
Reach
500m
Max Power Consumption
10W
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.
