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1. Rate: 100G; Connector: LC; with DDM 2. EML+SOA/PIN; Low Power Consumption ≤5.5W 3. Applied in Campus Network, Data Center and Enterprise Core Layer 4. Compatible with 200+ Vendors 5. Hot Pluggable QSFP28 MSA CompliantSee more
The Cisco QSFP-100G-ZR4-S compatible optical transceiver module is designed with duplex LC connectors, reaching a link up to 80km over single-mode fiber(OS2). QSFPTEK manufactured 100G ZR4 QSFP28 80km transceiver module is compliant with QSFP28 MSA Compliant standard. Besides, DDM (digital diagnostics monitoring) function is supported on the 100G fiber optic transceiver to achieve real-time operating parameters monitoring. With these features, this 100G QSFP28 ZR4 transceiver is widely applied in 100G telecom connections, DCI, metro network, long-haul, and high-performance computing networks application.
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Part Number: |
QT-QSFP28-ZR4 |
Vendor Name: |
QSFPTEK |
|
Form Factor: |
QSFP28 |
Data Rate: |
103.125Gbps (4x 25.78Gbps) |
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Wavelength: |
1295~1310nm |
Distance: |
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Connector: |
Duplex LC |
Cable Type: |
OS2 SMF |
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Transmitter: |
EML |
Receiver Type: |
SOA+PIN |
|
TX Power: |
+2 ~ +7dBm |
Receiver Sensitivity: |
<-27dBm |
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Power Consumption: |
≤5.5W |
Modulation Format: |
NRZ |
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DDM: |
Support |
Bit Error Ratio (BER): |
5E-5 |
|
Protocols: |
QSFP28 MSA, SFF-8636 |
Warranty: |
5 Years |


Every module is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

Every unit sold undergoes rigorous quality testing, to ensure compatibility in the target switch environment, guaranteeing perfect operation.

Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.


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Compatible Cisco
Transceivers type QSFP-100G-ZR4-S
Stable 100GBASE-ZR4 module for long-distance links (~70km), works as expected with solid performance, just runs a bit warm so proper airflow is important.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
We’ve been using this 100GBASE-ZR4 module for a while on a long-distance link, and it has been running steadily so far. The link came up right after installation and hasn’t needed any extra adjustments. Monitoring shows stable optical levels and low error rates during daily operation. Overall, it has been a reliable option for 100G long-reach connections.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
The QSFP28 ZR4 module is ideal for ultra-long-reach applications. After installation, the link establishes a stable connection and maintains consistent signal quality over time. Monitoring shows low error rates and consistent optical output, even with extended fiber runs.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
We used this 100GBASE-ZR4 module with Cisco switches for long-distance links of approximately 80 kilometers. It delivered exceptional stability and outstanding signal quality with virtually no bit errors. The module's thermal management is well-controlled, and it is fully compatible and plug-and-play. Overall, this is a reliable, cost-effective, long-distance transmission solution.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
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0
We bought this 100GBASE-ZR4 module for our backbone upgrade, and it has performed very reliably. The 80 km reach works exactly as advertised and we have had no compatibility issues across different switches. A solid 5-star choice for long-haul connections.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
This QSFP28 ZR4 optical module is a reliable choice for long-distance transmission, offering excellent compatibility and consistent performance. It's recognized right away and starts working as soon as you plug it in. Thermal management is on point, with barely any speed drops or interruptions during operation.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
It works much better than I thought it would. It keeps a steady speed even when you're going at full speed. Installing it was very fast—just slide it in and it's ready to use. The label text is a bit small, which isn't ideal when you're swapping gear quickly, but that's a minor issue. It's definitely worth it for long-distance backbone links.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
Tested over 80km SMF with consistent 100G throughput and low BER. DOM readouts were stable, and it integrated perfectly with Juniper switches. No need for EDFA in our setup. Excellent alternative to OEM modules—same performance at a fraction of the price. Definitely recommended for long-haul deployments.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
It provides stable performance of up to 80 km with low latency. It is easy to deploy and is compatible with Cisco switches. Perfect for long-distance backbone upgrades without signal loss.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
Helpful
0
Have been using this 100GBASE-ZR4 module for a few weeks now and it is running well with stable rates. However, in addition to the hardware, the documentation support and configuration manual could still be optimized, in my opinion. All in all, this is a very reliable module and the overall performance is good for its price.
Transceivers typeQSFP-100G-ZR4-S
CompatibleCisco
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0