100G QSFP28 SR4 100m 850nm MPO-12 Optical Transceiver for Multimode Fiber Ethernet

• Supports 100Gbps Ethernet transmission with four parallel 25.78125Gbps optical channels
• QSFP28 pluggable form factor for high-density network equipment integration
• Uses 850nm VCSEL laser technology optimized for multimode fiber transmission
• Supports transmission distances up to 100m over OM3/OM4 multimode fiber
• Integrated MPO-12 optical connector for compact multi-fiber connectivity
• Low power consumption with maximum power dissipation of only 2.5W
• Hot-pluggable design enables easy installation and replacement without system downtime
• Single +3.3V power supply for efficient operation
• Compliant with IEEE 802.3bm and SFF-8665 industry standards
• Suitable for high-bandwidth, low-latency data center networking applications

• 100G Ethernet switch-to-switch interconnects
• Data center spine-leaf network architectures
• Server-to-switch high-speed connections
• Enterprise data center backbone networks
• Cloud computing and virtualization infrastructure
• High-performance computing (HPC) networks
• Short-distance optical links using multimode fiber cabling
• High-density structured cabling systems

FiberMania provides OEM and customized optical transceiver solutions to meet different customer requirements. Custom options are available for optical performance, firmware compatibility, labeling, packaging, and product branding. We can support specific requirements from data center operators, system integrators, and network equipment manufacturers, including customized EEPROM programming, connector options, operating temperature ranges, and application-specific testing.

What type of fiber is required for the 100G QSFP28 SR4 transceiver?

This transceiver is designed for multimode fiber (MMF) cabling, typically using OM3 or OM4 fiber. OM4 multimode fiber is recommended when achieving the maximum 100-meter transmission distance is required.

What is the difference between QSFP28 SR4 and QSFP28 LR4 transceivers?

QSFP28 SR4 is optimized for short-distance data center connections using 850nm VCSEL technology and multimode fiber, typically up to 100m. QSFP28 LR4 uses 1310nm wavelength technology and single-mode fiber for longer-distance transmission, commonly up to 10km.

Can this 100G SR4 module be used with breakout cables?

Yes. The QSFP28 SR4 optical interface can be used with MPO-12 based breakout solutions, such as 100G to 4×25G connections, allowing connection to multiple lower-speed network ports when supported by the switch platform.

Does this transceiver support DDM/DOM monitoring?

Yes. QSFP28 optical transceivers typically support Digital Diagnostic Monitoring (DDM/DOM), allowing users to monitor key parameters such as temperature, supply voltage, transmit optical power, and receive optical power through compatible network equipment.

What applications are best suited for 100G QSFP28 SR4 modules?

These modules are mainly used in short-reach, high-density network environments such as data centers, cloud infrastructure, HPC clusters, and enterprise networks where high bandwidth and low power consumption are required.