- Name:
-
QSFP-40G-ER4=
- Description:
- QSFP 40GBASE-ER4 TRANSCEIVER MODULE LC 40KM
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- Brand:
- Cisco
- Condition:
- GTIN:
- 821455286517
- Warranty:
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3 - List Price:
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$44,238.00
- Price:
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$3,421.00
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QSFP-40G-ER4=
QSFP 40GBASE-ER4 TRANSCEIVER MODULE LC 40KM
$3,421.00
25 in Global Warehouse
$3,421.00
92% off
TRUSTED, TRIED, PROVEN
QSFP-40G-ER4= Overview
QSFP-40G-ER4= is a QSFP optical transceiver module engineered to deliver 40G data rate performance over single-mode fiber using LC duplex connectors. Designed for extended-range applications, this module supports Ethernet protocols and is ideally suited for high-performance data centers, enterprise networks, and telecom environments.
QSFP-40G-ER4= features a compact QSFP form factor with dimensions that meet industry standards, ensuring easy integration into diverse networking platforms. Its robust design, compliance with operating and storage temperature requirements, and compatibility with leading network vendors make it a reliable choice for extended-reach connectivity solutions.
What is the price of QSFP-40G-ER4=?
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QSFP-40G-ER4= Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 40G |
| Connector Type | LC Duplex |
| Wavelength | 1310 nm |
| Transmission Distance | Extended-Range |
| Fiber Type | Single-mode |
| Max Distance | 40 km |
| Supported Protocols | Ethernet |
| Network Interface | Fiber |
| Power Consumption | 3.5W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco, Juniper, Huawei, Arista |
| Product Name | QSFP-40G-ER4= |
| Height | 0.55 inches |
| Width | 0.55 inches |
| Depth | 1.65 inches |
| Weight | 0.2 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista |
| Connector Type | LC Duplex | LC | LC | LC | LC |
| Data Rate | 40G | 10G | 10G | 10G | 100G |
| Depth | 1.65 inches | 1.0 inches | 0.72 inches | 1.5 inches | 0.5 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Single-mode |
| Form Factor | QSFP | XFP | XFP | SFP+ | CFP |
| Height | 0.55 inches | 0.65 inches | 0.28 inches | 0.75 inches | 0.7 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 40 km | 80 km | 80 km | 300 meters | 80 km |
| Network Interface | Fiber | Fiber | Ethernet | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 3.5W | 4.0 W | 3.6W | 1.5W | 6W |
| Product Name | QSFP-40G-ER4= | DWDM-XFP-3425-C | EX-XFP-10GE-ZR-1591-C | XBR-000212-C 10G SFP+ Transceiver Module | AA1403013-3190-E6-C CFP Transceiver Module |
| 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, SONET | Ethernet, Fibre Channel | Ethernet | Ethernet, Fibre Channel |
| Transmission Distance | Extended-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 1310 nm | 1550 nm | 1310 nm | 850 nm | 1550 nm |
| Weight | 0.2 lbs | 0.24 lbs | 0.2 lbs | 0.1 lbs | 0.2 lbs |
| Width | 0.55 inches | 0.75 inches | 0.95 inches | 0.5 inches | 2.8 inches |
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Questions & Answers
Q
What is the QSFP-40G-ER4= transceiver module?
A
The QSFP-40G-ER4= is a 40GBASE-ER4 QSFP+ transceiver that delivers 40 Gbps over single-mode fiber up to 40 km using LC duplex connectors.
Q
What transmission distance does the QSFP-40G-ER4= support?
A
It supports optical links up to 40 kilometers on G.652 single-mode fiber.
Q
Which connector type does the QSFP 40GBASE-ER4 use?
A
The module uses standard LC duplex connectors for single-mode fiber termination.
Q
What wavelength does the QSFP-40G-ER4= operate on?
A
It operates at a nominal wavelength of 1310 nm across four 10 Gbps lanes.
Q
Is the QSFP-40G-ER4= hot-swappable?
A
Yes, the QSFP-40G-ER4= is fully hot-pluggable, allowing installation and removal without powering down the system.
Q
What is the data rate of the QSFP-40G-ER4=?
A
The module aggregates four 10 Gbps lanes to deliver a total data rate of 40 Gbps.
Q
What fiber type is required for the QSFP-40G-ER4=?
A
It requires G.652 single-mode fiber optimized for long-reach transmission.
Q
Is the QSFP-40G-ER4= compatible with Cisco switches?
A
Yes, the QSFP-40G-ER4= is fully compatible with Cisco and most major vendor QSFP+ 40G Ethernet ports.
Q
What is the operating temperature range of the QSFP-40G-ER4=?
A
The standard operating range is 0 °C to 70 °C (32 °F to 158 °F) for commercial environments.
Q
How much power does the QSFP-40G-ER4= consume?
A
Typical power consumption is under 3.5 W during normal operation.
Q
Does the QSFP-40G-ER4= support digital diagnostics monitoring (DDM)?
A
Yes, it supports SFF-8436 DDM for live monitoring of temperature, voltage, and optical power.
Q
How do I install the QSFP-40G-ER4= transceiver?
A
Insert it into a compatible QSFP+ port until it clicks, then connect LC duplex fiber cables, ensuring proper polarity.
Q
What warranty comes with the QSFP-40G-ER4=?
A
The module includes a one-year limited warranty covering defects in materials and workmanship.
Q
What applications are ideal for the QSFP-40G-ER4=?
A
It’s ideal for long-haul data center interconnects, metro transport, and high-speed campus backbones.
Q
How can I troubleshoot connectivity issues with the QSFP-40G-ER4=?
A
Verify fiber cleanliness, confirm secure connector seating, check link configurations, and review DDM logs for power and temperature.
Q
Where can I purchase the QSFP-40G-ER4= transceiver?
A
Order directly via our website or through authorized channel partners using SKU QSFP-40G-ER4=.


