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QSFP-100G-ER4L-S
100GBASE QSFP TRANSCEIVER 40KM REACH OVER SMF DUPLEX LC
Federal agencies and Fortune 500 operations source through ORM Systems.
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Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QSFP-100G-ER4L-S is a QSFP optical transceiver module engineered to support 100G Ethernet applications, offering extended-range performance for long-haul networking. Designed with precision, the module features LC connectors and operates over single-mode fiber to reliably transmit high-speed data over distances up to 40 km, making it ideal for data centers, telecom networks, and enterprise interconnects.
QSFP-100G-ER4L-S meets stringent industry protocols by supporting Ethernet standards with a compact QSFP form factor that ensures ease of integration into high-density environments. Its well-defined physical dimensions facilitate critical thermal management and mechanical stability, confirming its role as a trusted component in modern long-range optical network deployments.
QSFP-100G-ER4L-S price is $2,164.00, a 97.6% saving from the Cisco list price of $88,481.00. QSFP-100G-ER4L-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-100G-ER4L-S for additional pricing. Browse the full Cisco 100G Optical Modules series or explore all Cisco products.
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| QSFP-100G-ER4L-S |  CPAK-100G-CWDM4 |  QSFP-100G-SR4-S |  CFP-100G-SR10 |  CFP2-100G-ER4 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Optical Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | CFP | QSFP28 | CFP | CFP2 |
| Data Rate | 100G | 100G | 100 Gbps | 100G | 100G |
| Connector Type | LC | LC | MPO-12 | LC | LC |
| Fiber Type | Single-mode | Single-mode | Multi-Mode (MMF) | Multi-mode | Single-mode |
| Operating Temperature | 0 to 70°C | 0 to 70°C | Commercial (0°C to 70°C) | 0 to 70°C | 0 to 70°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.
Achieved reliable 40km reach with consistent 100G throughput.
Strong signal integrity across long-distance SMF.
Stable extended reach performance for metro deployments.
Excellent interoperability and dependable optical output.
Reliable long-haul connectivity under production load.
Consistent 100G ER4L operation with low error rates.
High performance optics for demanding network routes.
The QSFP-100G-ER4L-S transceiver supports a maximum single-mode fiber link length of up to 40 km over SMF with duplex LC connectors.
The module is compatible with single-mode fiber (SMF) using standard duplex LC connectors.
This transceiver supports data rates up to 100 Gbps in a 4×25 Gbps lane configuration.
Yes, the QSFP-100G-ER4L-S module is hot-swappable and can be inserted or removed without powering down the system.
The transceiver operates at a C-band wavelength of 1310 nm per lane, optimized for long-reach applications.
It is compatible with any QSFP28-compliant switch or router from leading OEMs that supports 100 GBASE-ER4L interfaces.
Typical power consumption is ≤4.5 W, ensuring energy-efficient long-reach performance.
The module uses the QSFP28 form factor, enabling four 25 Gbps channels in a single 100 Gbps transceiver.
Yes, it complies with IEEE 802.3ba 100GBASE-ER4, QSFP28 MSA and RoHS standards.
Operating temperature range is 0 °C to 70 °C (32 °F to 158 °F) for standard commercial environments.
Insert the module into a QSFP28 slot until the latch clicks, then connect the duplex LC fiber cable ensuring proper polarity.
No, this transceiver is designed for single-wavelength 100GBASE-ER4L applications, not for WDM.
It supports Digital Optical Monitoring (DOM) for real-time diagnostics of input/output power, temperature, and voltage.
Yes, the module includes a one-year limited warranty covering manufacturing defects and early failures.
Check your vendor’s hardware compatibility list and confirm support for IEEE 802.3ba 100GBASE-ER4 and QSFP28 MSA.
No, the QSFP-100G-ER4L-S is a fixed-wavelength transceiver for 100GBASE-ER4L and is not designed for CWDM or DWDM applications.
United States
