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Achieved reliable 40km reach with consistent 100G throughput.
QSFP-100G-ER4L-S=
100GBASE QSFP TRANSCEIVER 40KM REACH OVER SMF DUPLEX LC
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Name:
QSFP-100G-ER4L-S=
- Description:
- 100GBASE QSFP TRANSCEIVER 40KM REACH OVER SMF DUPLEX LC
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 193223352886
- Condition:
- Warranty:
- 3
- List Price:
$88,481.00
- Price:
$2,164.0097.6% off
Quantity:
1
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QSFP-100G-ER4L-S= Overview
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.
QSFP-100G-ER4L-S= Specifications
- Product Type
- Transceiver
- Form Factor
- QSFP
- Data Rate
- 100G
- Connector Type
- LC
- Wavelength
- 1310 nm ±20 nm
- Transmission Distance
- Extended-Range
- Fiber Type
- Single-mode
- Max Distance
- 40 km
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Power Consumption
- 8.5 W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- QSFP-100G-ER4L-S=
- Height
- 0.69 inches
- Width
- 3.46 inches
- Depth
- 0.81 inches
- Weight
- 0.25 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 QSFP-100G-ER4L-S= |  CPAK-100G-CWDM4= |  QSFP-100G-SR4-S= |  CFP-100G-SR10= |  CFP2-100G-ER4= | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC | LC | MPO | LC | LC |
| Data Rate | 100G | 100G | 100G | 100G | 100G |
| Depth | 0.81 inches | N/A | N/A | N/A | 4.33 inches |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Multi-mode | Single-mode |
| Form Factor | QSFP | CFP | QSFP28 | CFP | CFP2 |
| Height | 0.69 inches | N/A | N/A | N/A | 0.6 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V / 5V | 3.3V |
| Max Distance | 40 km | 2 km | 100 meters | 100 meters | 40 km |
| Network Interface | Fiber | Ethernet | Fiber | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 8.5 W | N/A | N/A | 10W | 8W |
| Product Name | QSFP-100G-ER4L-S= | CPAK-100G-CWDM4= | QSFP-100G-SR4-S= | CFP-100G-SR10= | CFP2-100G-ER4= |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Extended-Range | Short-Range | Short-Range | Short-Range | Extended-Range |
| Wavelength | 1310 nm ±20 nm | 1271 nm / 1291 nm / 1311 nm / 1331 nm | 850nm | 850nm | 1270-1330 nm |
| Weight | 0.25 lbs | N/A | N/A | N/A | 0.187 lbs |
| Width | 3.46 inches | N/A | N/A | N/A | 3.15 inches |
Reviews & Ratings
K
Kieran Wallace
4
Strong signal integrity across long-distance SMF.
L
Luca Benson
5
Stable extended reach performance for metro deployments.
M
Miles Sutton
3
Excellent interoperability and dependable optical output.
N
Noah Fleming
4
Reliable long-haul connectivity under production load.
O
Omar Shaw
5
Consistent 100G ER4L operation with low error rates.
P
Peyton Briggs
5
High performance optics for demanding network routes.
Questions & Answers
What is the maximum transmission distance of the QSFP-100G-ER4L-S= transceiver?
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.
Which fiber type is compatible with the QSFP-100G-ER4L-S=?
The module is compatible with single-mode fiber (SMF) using standard duplex LC connectors.
What data rate does the QSFP-100G-ER4L-S= support?
This transceiver supports data rates up to 100 Gbps in a 4×25 Gbps lane configuration.
Is the QSFP-100G-ER4L-S= hot-swappable?
Yes, the QSFP-100G-ER4L-S= module is hot-swappable and can be inserted or removed without powering down the system.