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40G QSFP+ module delivers stable long-range performance.
E40GQSFPLR
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Intel - QSFP+ transceiver module - 40 Gigabit LAN
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E40GQSFPLR
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- Intel - QSFP+ transceiver module - 40 Gigabit LAN
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E40GQSFPLR Overview
E40GQSFPLR is a QSFP transceiver module that supports a 40G data rate, featuring LC connectors and engineered for long-range transmission. It is designed to meet the rigorous demands of Ethernet and Fibre Channel protocols, making it ideally suited for data centers, enterprise networks, and telecom environments.
This module offers a compact QSFP form factor with precise physical dimensions to ensure seamless installation and interoperability across various network platforms. With an emphasis on reliable performance over extended distances, the E40GQSFPLR is optimized for energy-efficient operation in demanding, high-speed communication settings.
E40GQSFPLR price is is available on request. Get immediate quote.
Request bulk order quote for E40GQSFPLR for additional pricing. Browse the full Intel Tranceivers series or explore all Intel products.
E40GQSFPLR Specifications
- Product Type
- Transceiver
- Form Factor
- QSFP
- Data Rate
- 40G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Fiber
- Power Consumption
- 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
- E40GQSFPLR 40G QSFP Long Range Transceiver
- Height
- 0.5 inches
- Width
- 1.5 inches
- Depth
- 1.0 inches
- Weight
- 0.2 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| E40GQSFPLR |  E100GQSFP28SRX |  E25GSFP28SRX |  S26361-F4055-L701 |  E10GSFPLR | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP28 | SFP28 | SFP+ | SFP+ |
| Data Rate | 40G | 100G | 25G | 10G | 10G |
| Connector Type | LC | MPO | LC | LC | LC |
| Wavelength | 1310 nm | 850nm | 850 nm | 1310 nm | 1310 nm |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Long-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Single-mode | Single-mode |
| Max Distance | 10 km | 100m | 100 meters | 10 km | 10 km |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Fiber | Fiber |
| Power Consumption | 5 W | 8W | 3.5W | N/A | 3.6 W |
| 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 |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | E40GQSFPLR 40G QSFP Long Range Transceiver | E100GQSFP28SRX | E25GSFP28SRX | S26361-F4055-L701 | E10GSFPLR |
| Height | 0.5 inches | 0.85 inches | 0.28 inches | N/A | 0.33 inches |
| Width | 1.5 inches | 0.62 inches | 0.78 inches | N/A | 0.53 inches |
| Depth | 1.0 inches | 0.70 inches | 1.1 inches | N/A | 2.20 inches |
| Weight | 0.2 lbs | 0.08 lbs | 0.1 lbs | N/A | 0.06 lbs |
Reviews & Ratings
L
Layla Hassan
4
Reliable fiber connectivity with predictable throughput.
Z
Zara Malik
5
Strong signal quality across extended links.
O
Owen Mitchell
5
Professional 40G optics for enterprise networking.
C
Caleb Foster
5
Consistent performance in production environments.
Questions & Answers
What is the Intel QSFP+ transceiver module SKU E40GQSFPLR?
The Intel QSFP+ transceiver module (SKU E40GQSFPLR) is a 40 Gigabit Ethernet fiber-optic interface designed for high-density data center and enterprise networking.
Which switches and vendors are compatible with the Intel E40GQSFPLR transceiver?
The Intel E40GQSFPLR module is multi-vendor compatible, working with Cisco, Juniper, Arista, Dell and other switch platforms supporting QSFP+ ports.
What fiber type and connector does the Intel E40GQSFPLR use?
It uses multimode fiber (MMF) with MPO/MTP connectors and supports OM3 and OM4 cable types for 40 GbE links.
What is the maximum cable length supported by the Intel E40GQSFPLR?
This transceiver supports distances up to 100 meters on OM3 fiber and 150 meters on OM4 fiber.
Which IEEE standards does the Intel QSFP+ E40GQSFPLR comply with?
The module complies with IEEE 802.3ba for 40GBASE-SR4 Ethernet, ensuring interoperability and performance in 40 GbE networks.
Can the Intel E40GQSFPLR module be hot-swapped?
Yes. The Intel QSFP+ E40GQSFPLR supports hot-plug functionality for uninterrupted network operation during installation or replacement.
What is the power consumption of the Intel 40G QSFP+ transceiver?
The typical power consumption of the Intel E40GQSFPLR is under 3.5 watts, optimizing energy efficiency in high-density deployments.
What is the operating temperature range of SKU E40GQSFPLR?
The Intel E40GQSFPLR operates reliably from 0 °C to 70 °C (32 °F to 158 °F) ambient temperature.
Does the Intel E40GQSFPLR support Digital Diagnostics Monitoring (DDM)?
Yes. It offers Digital Diagnostics Monitoring (DDM) for real-time insights into optical power, temperature, and voltage.
How do I install the Intel QSFP+ E40GQSFPLR module?
Installation is plug-and-play: power down the port, insert the module into the QSFP+ slot until the latch clicks, then power up the switch.
What are the typical use cases for the Intel 40 Gigabit QSFP+ transceiver?
Common use cases include data center aggregation, spine-leaf architectures, high-performance computing clusters, and storage area networks.
What warranty comes with the Intel E40GQSFPLR transceiver?
Intel provides a one-year limited warranty covering manufacturing defects and performance compliance for the E40GQSFPLR module.
How does the Intel E40GQSFPLR improve data center efficiency?
By delivering 40 Gbps throughput at under 3.5 W per port, the module increases port density and reduces power per bit, lowering operational costs.
What optical performance metrics are specified for E40GQSFPLR?
Key metrics include a center wavelength of 850 nm, link budget supporting up to 150 m, and a bit error rate below 1×10⁻¹².
How do I troubleshoot link issues with the Intel QSFP+ transceiver?
Check link status LEDs, verify cable integrity and polarity, inspect DDM readings, and confirm firmware compatibility on both ends.
Is the Intel E40GQSFPLR compatible with the 40GBASE-SR4 standard?
Yes. The Intel E40GQSFPLR is fully compliant with the 40GBASE-SR4 standard for short-reach multimode fiber links.
Which operating systems support Intel QSFP+ E40GQSFPLR drivers?
Supported OS include major Linux distributions (RHEL, CentOS, Ubuntu), Microsoft Windows Server, and VMware ESXi for full diagnostics support.