What is a 100G SR4 Transceiver?

Definition of 100G SR4 Transceiver

The 100G SR4 transceiver is a high-speed optical module designed for data center networks, providing a data rate of 100Gbps to transfer large amounts of data quickly and efficiently. It extends a short-range transmission up to 100 meters, and the wavelength of the transceiver is 850nm. The “SR” stands for “Short Range.” Typically, the transceiver uses multimode fiber and is equipped with specialized MPO/MTP connectors to facilitate and simplify connections. It provides a cost-effective solution for short-distance applications.

Technical Specifications Of 100G SR4 Transceiver

Data Rate: The 100G SR4 transceiver supports a data rate of 100 Gbps (Gigabits per second), enables rapid transmission of large volumes of data, and facilitates efficient communication within data center networks.

Fiber Type and Connector: The transceiver is designed for multi-mode fiber (MMF) connectivity. It typically utilizes an MPO/MTP (Multi-fiber Push-On/Pull-Off) connector, simplifying cabling and facilitating quick and reliable connections between network devices.

Wavelength: The 100G SR4 transceiver operates at a wavelength of 850 nm (nanometers). Which is suitable for short-reach applications within data centers, allowing for transmission distances of up to 100 meters.

Optical Components: The transceiver incorporates Vertical Cavity Surface Emitting Laser (VCSEL) technology. VCSELs provide a cost-effective and reliable solution for multi-mode fiber transmission, offering high-performance optical signaling for short-range data transfers.

MPO/MTP Connector: The transceiver is equipped with an MPO/MTP connector; this connector type allows for easy and quick connectivity between the transceiver and other network components, reducing deployment time and enhancing overall network efficiency.

What Are the Key Features and Benefits of 100G SR4 Transceiver?

High Bandwidth: The 100G SR4 transceiver supports a data rate of 100 Gbps; this high-speed capability allows for rapid data transfer, enabling seamless communication and enhanced network performance.

Short-Range Transmission: The 100G SR4 transceiver enables transmission distances of up to 100 meters via a wavelength of 850 nm.

IEEE 802.3 Compliance: The 100G SR4 transceiver is compatible with  IEEE 802.3 standard. Compliance ensures interoperability and compatibility with multiple network devices and allows seamless integration.

DDM Functionality: The 100G SR4 transceiver features DDM for real-time monitoring, including, Operating voltage, current, operating temperature, and TX power. Once something gets failure, the administrator will be alerted, and inspections will be performed in a timely manner to prevent damage to the equipment.

Same 4 Channel, Design-The 4-channel design of this module is a one-point specification, meaning that it has four channels, each bearing the same 25G rate, for a total budget of 100G.

100G SR4 Transceiver Applications 

Data Center Interconnects: The 100G SR4 transceiver is widely used for connection with switches, routers, and servers in the data center environment. It enables fast and efficient data transfer between network devices, supporting the high-bandwidth requirements of data-intensive applications and ensuring seamless communication between different devices of the data center infrastructure.

High-Performance Computing (HPC) Clusters: Typically, HPC clusters require high-speed and low-latency data transmission to support computationally intensive tasks. The 100G SR4 transceiver provides fast and reliable data transfer within HPC clusters, enabling efficient collaboration and data processing across multiple computing nodes.

Cloud Computing and Virtualization: With fast data transmission service, the 100G SR4 transceiver plays a significant role in Cloud computing environments, which require quick traffic communication and efficient resource allocation.

How to Choose 100G SR4 Transceiver?

With the introduction above, we already know some of the characteristics of 100G SR4. So next, let’s consider how to select a 100G SR module.

Evaluate the environmental conditions of your data center or networking environment. We had better consider these factors, including temperature range, power supply requirements, and reliability specifications, to ensure the transceiver can operate optimally in your specific environment.

When selecting the most suitable 100G SR4 module, our main concern is how it performs: transmission distance, compatibility, supported protocols, power consumption, warranty period, etc. For example, if you have a Cisco device, you need a Cisco-compatible module guaranteed to work correctly on your device. 

Cost and Budget: There is a wide range of 100G SR4 modules available on the market, all of which vary in price depending on brand and transmission distance, in which case you will need to choose a product that is suitable for all aspects of your solution, within a limited budget, ensure that you prioritize quality, compatibility, and reliability to avoid potential issues and ensure long-term performance.


In conclusion, the 100G SR4 transceiver is a high-performance optical module that offers impressive capabilities and features for data center networks. Features With high-speed forwarding and low latency, it significantly meets the network environment’s high computing requirements, making it favored by most enterprises.

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