- Name:
-
QSFP-40G-ER4
- Description:
- 40GBase-ER4 Optical Transceiver,QSFP+,40G,Single-mode Module (1310nm,40km,LC)
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- Brand:
- Huawei
- Condition:
- GTIN:
- 886598026543
- Warranty:
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3 - List Price:
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$82,857.00
- Price:
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$3,246.00
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QSFP-40G-ER4
40GBase-ER4 Optical Transceiver,QSFP+,40G,Single-m...
$3,246.00
11 in Global Warehouse
$3,246.00
96% off
TRUSTED, TRIED, PROVEN
QSFP-40G-ER4 Overview
Overview of QSFP-40G-ER4
QSFP-40G-ER4 is a QSFP transceiver that supports a 40G data rate for Ethernet applications. It is designed with LC connectors and is optimized for extended-range transmission over single-mode fiber, providing distances up to 40 km. This module adheres to industry-standard QSFP form factor dimensions, making it ideal for high-performance data centers, telecom networks, and enterprise interconnects where long-reach, high-density connectivity is essential.
This transceiver is engineered to support Ethernet protocols and delivers reliable performance in demanding network environments. Its compact physical dimensions and robust design simplify integration into existing infrastructures, while its compatibility with major network vendors such as Cisco, Juniper, Huawei, and Arista further enhance its deployment versatility in scalable network solutions.
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QSFP-40G-ER4 Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 40G |
| Connector Type | LC |
| Wavelength | 1310 nm |
| Transmission Distance | Extended-Range |
| Fiber Type | Single-mode |
| Max Distance | 40 km |
| Supported Protocols | Ethernet |
| Network Interface | Ethernet |
| Power Consumption | 3.5 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-40G-ER4 |
| Height | 0.38 inches |
| Width | 0.83 inches |
| Depth | 3.4 inches |
| Weight | 0.22 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 | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 40G | 1G | 10G | 10G | 10G |
| Depth | 3.4 inches | 0.8 inches | N/A | 0.70 inches | 1.0 inches |
| Fiber Type | Single-mode | Single-mode | Single-mode | Multi-mode | Multi-mode |
| Form Factor | QSFP | SFP | SFP | SFP | SFP |
| Height | 0.38 inches | 0.5 inches | N/A | 0.46 inches | 0.39 inches |
| Input Voltage | 3.3V | 3.3V | N/A | 3.3V | 3.3V |
| Max Distance | 40 km | 80 km | 40 km | 300 meters | 300 meters |
| Network Interface | Ethernet | Fiber | Fiber | 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 | 3.5 W | 1.5W | N/A | 2.5W | 3.5W |
| Product Name | QSFP-40G-ER4 | DWDM-SFP-3661-C | CWDM-SFP10G-1590-C | JH633A-C 10G SFP Transceiver | JH626A-C 10G SFP Transceiver |
| 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, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Extended-Range | Long-Range | Long-Range | Short-Range | Short-Range |
| Wavelength | 1310 nm | 1550 nm | 1590 nm | 850 nm | 850nm |
| Weight | 0.22 lbs | 0.1 lbs | N/A | 0.21 lbs | 0.2 lbs |
| Width | 0.83 inches | 0.55 inches | N/A | 2.02 inches | 1.25 inches |
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Questions & Answers
Q
What is a QSFP-40G-ER4 optical transceiver?
A
The QSFP-40G-ER4 is a 40GBase-ER4 optical transceiver module designed for single-mode fiber, supporting 40 km links at 1310 nm with LC duplex connectors.
Q
Which networking equipment is compatible with QSFP-40G-ER4?
A
QSFP-40G-ER4 is compatible with any QSFP+ port on switches, routers and network interface cards that support 40 GBase-ER4 optics over single-mode fiber.
Q
What link distance does the QSFP-40G-ER4 support?
A
This transceiver supports up to 40 km link distance on single-mode fiber (SMF) using standard LC duplex connectors.
Q
What wavelength does the QSFP-40G-ER4 operate at?
A
The QSFP-40G-ER4 operates at a nominal wavelength of 1310 nm, optimized for long-reach single-mode applications.
Q
What fiber type is required for QSFP-40G-ER4?
A
Single-mode fiber (SMF) with LC duplex connectors is required to achieve the rated 40 km distance at 1310 nm.
Q
Is the QSFP-40G-ER4 hot-swappable?
A
Yes. The QSFP-40G-ER4 is a hot-pluggable module that can be inserted or removed without powering down the host device.
Q
How many lanes and what data rate per lane does the QSFP-40G-ER4 use?
A
The module uses four 10 Gbps lanes aggregated to deliver a total of 40 Gbps per QSFP+ port.
Q
What is the typical power consumption of the QSFP-40G-ER4?
A
Typical power consumption is 3.5 W, conforming to industry QSFP+ power budgets.
Q
How do I install the QSFP-40G-ER4 in my switch?
A
Align the QSFP+ module with the port guide rails, insert until it clicks, and secure the latch. Verify link status in your switch interface.
Q
Does QSFP-40G-ER4 support Digital Optical Monitoring (DOM)?
A
Yes. It supports SFF-8436 compliant DOM for real-time monitoring of optical power, temperature, voltage and bias current.
Q
Can I use QSFP-40G-ER4 over multimode fiber?
A
No. QSFP-40G-ER4 is specifically designed for single-mode fiber at 1310 nm and will not meet specifications on multimode.
Q
What operating temperature range does the QSFP-40G-ER4 support?
A
Standard commercial-grade modules operate from 0 °C to 70 °C. Industrial versions may extend from -40 °C to 85 °C.
Q
Is the QSFP-40G-ER4 RoHS compliant?
A
Yes. The QSFP-40G-ER4 meets RoHS directives, ensuring it is free of lead, mercury, cadmium and other restricted substances.
Q
What warranty comes with the QSFP-40G-ER4?
A
Most vendors offer a lifetime warranty or 3- to 5-year limited warranty covering manufacturing defects.
Q
How do I verify link performance after installing QSFP-40G-ER4?
A
Use switch diagnostics to check DOM parameters, verify Tx/Rx optical power levels and ensure error-free 40 Gbps traffic.
Q
Where can I purchase authentic QSFP-40G-ER4 modules?
A
Purchase from authorized network hardware resellers or directly from certified manufacturers to guarantee genuine QSFP+ ER4 optics.


