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QSFP-100G-CWDM4-S-C
100GBASE-CWDM4 QSFP Transceiver 2km SMF Cisco Compatible
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QSFP-100G-CWDM4-S-C is a QSFP optical transceiver module designed to support a 100G data rate for high-bandwidth applications. It features LC connectors and is engineered for short-range transmission over single-mode fiber, making it ideal for data center interconnects, enterprise networks, and telecommunications infrastructure where high-speed Ethernet is required.
This module comes in a compact QSFP form factor with physical dimensions designed to meet industry standards, ensuring seamless integration into a variety of network devices. It supports Ethernet protocols and provides reliable performance in critical applications while maintaining a low power consumption and robust operating temperature range, underlining its value in modern high-density optical networks.
QSFP-100G-CWDM4-S-C price is is available on request. Get immediate quote.
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| QSFP-100G-CWDM4-S-C |  QSFP-100G-ER4L-S-C |  QSFP-100G-LR4-S-C |  QSFP-100G-SR4-S-C |  QSFP-100G-SM-SR-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP | QSFP28 | QSFP | QSFP |
| Data Rate | 100G | 100G | 100G | 100G | 100G |
| Connector Type | LC | LC | LC Duplex | MPO | LC |
| Wavelength | 1270-1330 nm | 1310 nm | 1310 nm | 850 nm | 1310nm |
| Transmission Distance | Short-Range | Extended-Range | Long-Range | Short-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Single-mode |
| Max Distance | 2 km | 40 km | 10 km | 100 meters | 2 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Product Name | QSFP-100G-CWDM4-S-C | QSFP-100G-ER4L-S-C | QSFP-100G-LR4-S-C | QSFP-100G-SR4-S-C | QSFP-100G-SM-SR-C |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Superb 2km reach on single-mode fiber. These CWDM4 modules offer professional stability and were recognized instantly by our core routers. Perfect for campus-wide links.
Exceptional signal quality and low power consumption. We successfully deployed these for our 100G backbone. Reliability has been outstanding with zero maintenance needed.
High-quality 100G transceivers. The 2km range provides great flexibility for our data center architecture. Fully compatible and delivers steady performance under load.
Consistent and durable. These CWDM4 optics provide the high-speed connectivity our enterprise requires without the OEM price tag. Rock-solid uptime so far.
Professional 100G solution. The integration with our Cisco gear was flawless, and the throughput is consistently high. Ideal for intermediate single-mode spans.
The QSFP-100G-CWDM4-S-C is a 100GBASE-CWDM4 QSFP+ transceiver module designed for 2 km single-mode fiber links, Cisco compatible and CWDM4-rated.
This module supports a 100 Gbps aggregate data rate over four 25 Gbps lanes using CWDM wavelengths.
The QSFP-100G-CWDM4-S-C supports optical links up to 2 km over single-mode fiber (SMF).
It operates on standard single-mode fiber (ITU-T G.652 SMF) with LC duplex connectors.
It uses four CWDM wavelengths: 1271 nm, 1291 nm, 1311 nm and 1331 nm, each carrying 25 Gbps.
Yes, the module is hot-swappable, allowing insertion and removal without powering down the host device.
Yes, the QSFP-100G-CWDM4-S-C is fully compatible with Cisco QSFP+ ports and supports Cisco MDIO EEPROM code.
Power consumption is typically below 3.5 W, meeting the QSFP+ MSA power budget requirements.
Yes, it features I²C-based digital diagnostics for real-time monitoring of temperature, voltage, bias current and optical power.
Operating temperature ranges from 0 °C to 70 °C (commercial), ensuring reliable performance in standard data center environments.
It uses the QSFP+ (Quad Small Form-Factor Pluggable) form factor for high-density 100 Gbps links.
It complies with IEEE 802.3bm 100GBASE-CWDM4, CWDM MSA, RoHS and FCC/CE certifications.
No, this model is optimized for CWDM; for DWDM applications use a 100GBASE-DWDM QSFP module.
Host equipment requires LC duplex receptacles compatible with QSFP+ cages.
Align and insert the transceiver into the QSFP+ port until the latch clicks, then connect LC duplex fiber cables.
It is backed by a one-year limited warranty covering defects in materials and workmanship under normal use.
United States
