Worldwide$5,000,000+
Inventory Delivered By
H
Harrison Bennett
5
Reliable 40G LR4 CFP providing stable 10km SMF connectivity.
CFP-40G-LR4=
Original Stock
Ready to Ship
40GBASE-LR4 CFP MODULE
FEATURED DEAL
Name:
CFP-40G-LR4=
- Description:
- 40GBASE-LR4 CFP MODULE
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658337307
- Condition:
- Warranty:
- 3
- List Price:
$13,995.00
- Price:
$2,702.0080.7% off
Quantity:
1
Business price:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
CFP-40G-LR4= Overview
CFP-40G-LR4= is a CFP form-factor optical transceiver engineered for 40G data rates and designed to deliver long‐range connectivity over single-mode fiber. Built with LC connectors and optimized for Ethernet and Fibre Channel protocols, this module supports high-performance applications in data centers, enterprise networks, and telecom infrastructures.
CFP-40G-LR4= features a compact CFP design with officially documented physical dimensions, making it ideal for high-density deployments. Its capability to transmit data reliably over distances up to 10 km, along with proven compatibility with leading networking equipment manufacturers, ensures it meets the rigorous demands of modern network environments.
CFP-40G-LR4= price is $2,702.00, a 80.7% saving from the Cisco list price of $13,995.00. CFP-40G-LR4= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CFP-40G-LR4= for additional pricing. Browse the full Cisco 40G Optical Modules series or explore all Cisco products.
CFP-40G-LR4= Specifications
- Product Type
- Transceiver
- Form Factor
- CFP
- Data Rate
- 40G
- Connector Type
- LC
- Wavelength
- 1310nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 10 km
- Supported Protocols
- Ethernet, Fibre Channel
- Network Interface
- Ethernet
- Power Consumption
- 5.0W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- CFP-40G-LR4=
- Height
- 1.0 inches
- Width
- 2.8 inches
- Depth
- 3.2 inches
- Weight
- 0.85 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| CFP-40G-LR4= |  QSFP-40G-SR-BD= |  QSFP-40G-CSR-S= |  QSFP-40G-CSR4 |  QSFP-40G-LR4-S= | |
|---|---|---|---|---|---|
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco | Cisco / Juniper / Huawei / Arista |
| Connector Type | LC | LC | LC | LC | LC |
| Data Rate | 40G | 40G | 40G | 40G | 40G |
| Depth | 3.2 inches | N/A | 2.85 inches | 1.00 inches | N/A |
| Fiber Type | Single-mode | Multi-mode | Multi-mode | Multi-mode | Single-mode |
| Form Factor | CFP | QSFP | QSFP | QSFP | QSFP |
| Height | 1.0 inches | N/A | 0.33 inches | 0.66 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 10 km | 150 meters | 100 meters | 100 meters | 10 km |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | 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 | 5.0W | 3.8W | 3.5W | 3.0W | N/A |
| Product Name | CFP-40G-LR4= | QSFP-40G-SR-BD= | QSFP-40G-CSR-S= | QSFP-40G-CSR4 | QSFP-40G-LR4-S= |
| 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, Fibre Channel | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Transmission Distance | Long-Range | Short-Range | Short-Range | Short-Range | Long-Range |
| Wavelength | 1310nm | 850nm | 850nm | 850nm | 1310 nm |
| Weight | 0.85 lbs | N/A | 0.1 lbs | 0.1 lbs | N/A |
| Width | 2.8 inches | N/A | 0.64 inches | 0.90 inches | N/A |
Reviews & Ratings
I
Ian Bradley
4
Strong long-range optical performance across core links.
J
Jonas Reed
4
Consistent signal levels and smooth deployment.
K
Kyle Bennett
4
Maintained full 40G throughput over extended fiber runs.
L
Logan Murphy
5
Enterprise-grade optics with predictable results.
M
Miles Harper
5
Dependable backbone connectivity solution.
N
Noah Bennett
4
Stable and efficient long-haul 40G module.
Questions & Answers
What is the CFP-40G-LR4=?
The CFP-40G-LR4= is a standards-compliant 40GBASE-LR4 CFP optical transceiver module designed for 40 Gb/s Ethernet over single-mode fiber.
What is the maximum transmission distance of the CFP-40G-LR4=?
The CFP-40G-LR4= supports a maximum link length of 10 km on ITU-T G.652 single-mode fiber.
Which wavelengths does the 40GBASE-LR4 CFP module use?
It uses four CWDM lanes at 1271 nm, 1291 nm, 1311 nm, and 1331 nm for full 40 Gbps transmission.
What data rate does the CFP-40G-LR4= support?
The module provides an aggregate data rate of 40.3125 Gbps, compliant with IEEE 802.3ba 40GBASE-LR4 specifications.