Part Number | ESOSMM85-S10C | Distance | 50m |
Form Factor | QSFP-112 | Connector | MPO-12(APC) |
Wavelength | 850nm | Transmitter | VCSEL |
Receiver | PIN | Media | Multi-Mode Fiber(MMF) |
Power Consumption | <8W | Protocol | 400G Base Ethernet |
Case Temperature(℃) | C: 0℃ to +70℃ |
Product Features
4x 106.25 Gbps electrical interface
4x VCSEL850nm arrays and 4x PIN PD arrays
Hot-pluggable QSFP112 form factot
Maximum link length of 100m on OM4 fiber, with FEC
+3.3V single power supply
Power dissipation < 9W
MPO-12 APC connector
Operating case temp: 0°C to +70 °C
RoHS compliane

① 400Gb/s High-Bandwidth Transmission
The QSFP112 400G SR4 Transceiver provides a total bandwidth of 400Gb/s through four independent 100Gb/s PAM4 optical channels, meeting the increasing bandwidth requirements of modern data centers.
② Compact QSFP112 Form Factor
The QSFP112 package offers a smaller footprint compared with traditional 400G solutions, enabling higher port density and improved rack-level scalability.
③ Low Power Consumption
Optimized optical design and advanced semiconductor technology help reduce power consumption, making it suitable for large-scale deployments where energy efficiency is critical.
④ Short-Reach Optical Connectivity
Using 850nm VCSEL and MPO-12/APC optical interfaces, the module delivers reliable short-distance connections up to 50m, ideal for server-to-switch and switch-to-switch interconnections.
⑤ High Reliability and Easy Deployment
The hot-pluggable design supports simplified installation and maintenance, while built-in monitoring functions ensure stable operation in demanding network environments.
① AI Data Centers and GPU Clusters
The QSFP112 400G SR4 Transceiver provides high-speed interconnect solutions for AI training clusters, GPU servers, and high-performance computing platforms.
② Cloud Computing Infrastructure
It enables efficient data exchange between servers, switches, and storage systems in hyperscale cloud environments.
③ Data Center Spine-Leaf Networks
The module is widely used in 400G Ethernet spine-leaf architectures, improving network throughput and reducing transmission bottlenecks.
④ High-Density Switch Connections
With its compact QSFP112 form factor, it supports high-port-density switches and next-generation Ethernet platforms.
⑤ Enterprise and Telecom Networks
The QSFP112 400G SR4 Transceiver can be deployed in enterprise data centers and telecom edge networks requiring high-speed short-distance optical links.
ESOPTIC is equipped with a comprehensive range of professional testing equipment designed to assess various parameters of optical products.
This ensures the highest performance, quality, and stability of optical transmission in all of our products.

Put the qualified products into the corresponding model blister box packaging.
The bottom, surface and side of the carton are filled with one piece of anti-static foam to protect the product.According to the requirements of the packing quantity, put the blister box box of the product into the packaging carton. If the space between the blister boxes is large, use a piece of anti-static foam to put it in the middle. The empty space in the end box must be filled with anti-static foam to ensure that it will not be damaged during transportation.
The outer case label is attached to the side position of the outer case,Label the outer case after sealing.
At the time of delivery, the entire outer box should be wrapped with at least 2 layers of wrapping film protection.
