ST-200G-QSFP56-ER4
Sate Optics ST-200G-QSFP56-ER4 is a 200Gbps QSFP56 compatible optical transceiver designed for long-distance Ethernet networks, telecom applications, and high-performance data center interconnects.
This 200G QSFP56 ER4 optical module supports 4-channel 50G PAM4 transmission over single mode fiber (SMF) using 1310nm wavelength, providing up to 40km transmission distance. The QSFP56 form factor enables high-density optical connectivity for metro networks, backbone infrastructure, and long-reach Ethernet applications.
The ST-200G-QSFP56-ER4 compatible transceiver delivers extended-distance transmission with high optical output power, stable performance, and reliable connectivity. Each module is tested to ensure interoperability with compatible networking platforms and advanced optical network systems.
More in 200G QSFP56 Transceivers
| Part Number | Model No. | Picture | Data Rate(Mbps) | Wavelength | Media Type | Reach | TX Power(dBm) | RX Sens.(dBm) | Temp.(℃) | Note | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-200G-QSFP56-SR4 | 200G QSFP56 SR4 Compatible | ![]() |
200Gbps | 850nm | Multimode Fiber (MMF) | 100m | -6.5 ~ +4dBm | -8.4 dBm | 0~70℃ | Compatible 200G QSFP56 Optical Transceiver | |
| ST-200G-QSFP56-PSM8 | 200G QSFP56 PSM8 Compatible | ![]() |
200Gbps | 1310nm | Single Mode Fiber (SMF) | 2km | -2.9 ~ +4dBm | -12.66 dBm | 0~70℃ | Compatible 200G QSFP56 Optical Transceiver | |
| ST-200G-QSFP56-FR4 | 200G QSFP56 FR4 Compatible | ![]() |
200Gbps | 1310nm | Single Mode Fiber (SMF) | 2km | -4.2 ~ +4.7 dBm | -8.2 dBm | 0~70℃ | Compatible 200G QSFP56 Optical Transceiver | |
| ST-200G-QSFP56-LR4 | 200G QSFP56 LR4 Compatible | ![]() |
200Gbps | 1310nm | Single Mode Fiber (SMF) | 10km | -4 ~ +2 dBm | -12.66 dBm | 0~70℃ | Compatible 200G QSFP56 Optical Transceiver | |
| ST-200G-QSFP56-ER4 | 200G QSFP56 ER4 Compatible | ![]() |
200Gbps | 1310nm | Single Mode Fiber (SMF) | 40km | +0.4 ~ +6.6 dBm | -10.3 dBm | 0~70℃ | Compatible 200G QSFP56 Optical Transceiver | |
| ST-200G-QSFPDD-SR8 | 200G QSFP-DD SR8 Compatible | ![]() |
200Gbps | 850nm | Multimode Fiber (MMF) | 100m | -8.4 ~ +2.4 dBm | -10.3 dBm | 0~70℃ | Compatible 200G QSFP-DD Optical Transceiver |






