United States$5,000,000+
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E
Ethan Calloway
5
Reliable LR4 Lite module for 2km connections. Stable long-range 40G performance.
WSP-Q40GLR4L=
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WSP-Q40GLR4L= QSFP 40G ENET LR4 LITE LC 2KM
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Name:
WSP-Q40GLR4L=
- Description:
- WSP-Q40GLR4L= QSFP 40G ENET LR4 LITE LC 2KM
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 662680665407
- Condition:
- Warranty:
- 3
- List Price:
$7,174.00
- Price:
$3,300.0454% off
Quantity:
1
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WSP-Q40GLR4L= Overview
WSP-Q40GLR4L= is a QSFP+ transceiver engineered for 40G Ethernet applications, featuring an LC connector and designed for long-range connectivity over single-mode fiber. It delivers reliable performance in environments such as data centers, enterprise networks, and telecom infrastructures with protocol support for Ethernet and Fibre Channel.
This compact module conforms to QSFP+ form factor specifications with precise physical dimensions, ensuring seamless integration into high-density network systems. Built for efficiency, the product meets strict power and temperature requirements, making it an ideal solution for both high-performance and demanding operational settings.
WSP-Q40GLR4L= price is $3,300.04, a 54% saving from the Cisco list price of $7,174.00. WSP-Q40GLR4L= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WSP-Q40GLR4L= for additional pricing. Browse the full 40G Base Modules series or explore all Cisco products.
WSP-Q40GLR4L= Specifications
- Product Type
- Transceiver
- Connector Type
- LC
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Width
- 0.60 inches
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet, Fibre Channel
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Data Rate
- 40G
- Form Factor
- QSFP+
- Power Consumption
- 3.5W
- Product Name
- WSP-Q40GLR4L=
- Height
- 0.75 inches
- Depth
- 0.30 inches
- Weight
- 0.045 lbs
WSP-Q40GLR4L= Use Case
Hyperscale Cloud Data Center Interconnect
In a hyperscale cloud environment, operators deploy the WSP-Q40GLR4L=-WSP-Q40GLR4L= QSFP 40G ENET LR4 LITE LC 2KM module to connect two data-center pods via single-mode fiber over a 2 km span. This 40 Gbps link delivers ultra-low latency and scalable throughput for seamless VM migration and real-time data replication, while its LR4 Lite optics consume ≤3.5 W per channel for efficient power management.
Low-Latency Financial Trading Backbone
A leading financial institution upgrades its trading network by integrating WSP-Q40GLR4L=-WSP-Q40GLR4L= QSFP 40G ENET LR4 LITE LC 2KM modules to link the exchange floor and data center across a 1.5 km fiber corridor. The 40 Gbps LR4 Lite optics ensure sub-microsecond latency, high reliability, and secure fiber transmission, supporting algorithmic trading and compliance mandates with minimal power overhead.
Enterprise Campus High-Bandwidth Backbone Expansion
A multinational enterprise deploys WSP-Q40GLR4L=-WSP-Q40GLR4L= QSFP 40G ENET LR4 LITE LC 2KM modules to upgrade its campus backbone connecting multiple buildings across a 2 km fiber span. The 40 Gbps capacity supports 4K/8K video conferencing, VR collaboration, and centralized storage access, while the LR4 Lite design reduces OPEX through low power consumption and seamless integration with existing LC fiber infrastructure.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| WSP-Q40GLR4L= |  QSFP-40G-LR4 |  CVR-QSFP-SFP10G= |  QSFP-4SFP10G-CU1M |  QSFP-40G-SR4-S | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Direct Attach Copper Cable | Transceiver |
| Form Factor | QSFP+ | QSFP | QSFP / SFP | QSFP-to-SFP+ Breakout Cable | QSFP |
| Data Rate | 40G | 40G | 10G | 10G | 40G |
| Connector Type | LC | LC | LC | QSFP+ / SFP+ | MPO |
| Wavelength | 1310 nm | 1310 nm | 1310 nm | N/A | 850 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Short-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | N/A | Multi-mode |
| Max Distance | 10 km | 10 km | 10 km | 1 meter | 100 meters |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Copper | Ethernet |
| Power Consumption | 3.5W | 4.0 W | 2.5W | N/A | 4 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 | N/A | 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 | WSP-Q40GLR4L= | QSFP-40G-LR4 | CVR-QSFP-SFP10G= | QSFP-4SFP10G-CU1M | QSFP-40G-SR4-S |
| Height | 0.75 inches | N/A | 0.63 inches | N/A | N/A |
| Width | 0.60 inches | N/A | 0.55 inches | N/A | N/A |
| Depth | 0.30 inches | N/A | 1.5 inches | N/A | N/A |
| Weight | 0.045 lbs | N/A | 0.07 lbs | N/A | N/A |
Reviews & Ratings
S
Sophie Lang
4
Easy to deploy with minimal configuration. Excellent for enterprise networks.
M
Malik Fraser
4
Low-latency and consistent throughput over single-mode fiber.
J
Jocelyn Parr
5
Durable industrial design for critical applications.
T
Tristan Hale
5
High-quality transceiver that meets long-distance performance requirements.
Questions & Answers
What is the WSP-Q40GLR4L= QSFP 40G ENET LR4 LITE LC 2KM module?
The WSP-Q40GLR4L= is a 40 Gigabit Ethernet QSFP+ optical transceiver module with LR4 Lite specifications, LC duplex connectors, and a 2 km single-mode fiber reach.
What data rate does the WSP-Q40GLR4L= support?
This module supports up to 40 Gb/s aggregate throughput over four 10 Gb/s channels, meeting IEEE 802.3ba standards.
Which connector type is used by the WSP-Q40GLR4L=?
It uses duplex LC connectors, ensuring easy plug-and-play installation with standard LC fiber patch cords.
What is the maximum transmission distance?
The module provides reliable links up to 2 km over single-mode fiber at specified optical budgets.
What wavelengths does the LR4 Lite module operate on?
It employs four CWDM wavelengths—1271 nm, 1291 nm, 1311 nm, and 1331 nm—to achieve the 40 Gb/s aggregate rate.
Is the WSP-Q40GLR4L= hot-pluggable?
Yes, the QSFP+ form factor supports hot-plug insertion and removal without disrupting system operation.
What power budget does this LR4 Lite module offer?
It provides an optical power budget of up to 5 dB per channel, suitable for links up to 2 km.
Which temperature range does the module support?
Operating temperatures range from 0 °C to 70 °C, covering standard commercial environments.
Which switches and routers are compatible?
The WSP-Q40GLR4L= is compatible with all QSFP+ ports adhering to IEEE 802.3ba, including major Cisco, Juniper, Arista, and HPE platforms.
Does this module support digital diagnostics monitoring (DDM)?
Yes, it features SFF-8472 compliant DDM for real-time monitoring of optical power, temperature, and supply voltage.
What optical fiber type is required?
Single-mode fiber (SMF) with LC duplex patch cords is required for optimal 2 km performance.
How does LR4 Lite differ from standard LR4?
LR4 Lite offers a lower cost and simplified design with a reduced power budget, ideal for moderate-distance 40 GbE links up to 2 km.
What industry standards does the WSP-Q40GLR4L= comply with?
It meets IEEE 802.3ba for 40 GbE, RoHS, and CE/FCC safety and electromagnetic compatibility requirements.
How do I install the QSFP+ module?
Insert the module into an empty QSFP+ port until it clicks, then attach LC fiber patch cords to the module’s connectors.
What is the typical power consumption?
The module consumes less than 3.5 W, keeping overall system power draw minimal.
What warranty and support are offered?
The WSP-Q40GLR4L= comes with a one-year limited warranty and lifetime technical support from our certified optical networking team.