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Consistent 40G ER4 performance over long distances.
CFP-40G-ER4
High Speed Transceiver,CFP,40G,Single-mode Module(1310nm ban...
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CFP-40G-ER4
High Speed Transceiver,CFP,40G,Single-mode Module(1310nm ban...
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CFP-40G-ER4 is a CFP form factor transceiver that supports a 40G data rate and is designed for long-range transmission over single-mode fiber using LC connectors. It operates over Ethernet protocols and is ideally suited for high-speed applications in data centers, enterprise networks, and telecom infrastructures.
Engineered to meet strict CFP specifications, the CFP-40G-ER4 offers a robust solution for extended reach connectivity while maintaining precise physical dimensions for seamless integration. It is purpose-built for applications that demand reliable, long-distance communication and compatibility with modern network architectures.
CFP-40G-ER4 price is $3,763.42, a 80% saving from the Huawei list price of $18,817.08. CFP-40G-ER4 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for CFP-40G-ER4 for additional pricing. Browse the full Huawei Transceivers series or explore all Huawei products.
To get the detailed certification, please go to the Compliance Center.
 CFP-40G-ER4 |  OSX070001 |  OSN030N05 |  OSC015B01 |  CWDM-SFPGE-1611 | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | CFP | QSFP+ | SFP+ | SFP+ | SFP |
| Data Rate | 40G | 40G | 10G | 10G | 1G |
| Connector Type | LC | MPO | LC | LC | LC |
| Wavelength | 1310 nm | 1310 nm | 1310 nm | 850 nm | 1611 nm |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Short-Range | Long-Range |
| Fiber Type | Single-mode | Multi-mode | Single-mode | Multi-mode | Single-mode |
| Max Distance | 40 km | 100 meters | 40 km | 300 meters | 80 km |
| Supported Protocols | Ethernet | Ethernet / Fiber Channel | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Ethernet | Fiber | Ethernet | Fiber |
| Power Consumption | N/A | 3.5W | 3.5 W | 3.5W | N/A |
| 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 | N/A | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | N/A | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | CFP-40G-ER4 Transceiver | OSX070001 QSFP+ 40G Transceiver | OSN030N05 10G SFP+ Optical Transceiver | OSC015B01 10G SFP+ Transceiver Module | CWDM-SFPGE-1611 |
| Height | N/A | 0.33 inches | 0.65 inches | N/A | N/A |
| Width | N/A | 0.55 inches | 0.50 inches | N/A | N/A |
| Depth | N/A | 3.2 inches | 1.80 inches | N/A | N/A |
| Weight | N/A | 0.15 lbs | 0.04 lbs | N/A | N/A |
Consistent 40G ER4 performance over long distances.
Clean signal suitable for backbone deployments.
Reliable under heavy traffic loads.
Easy integration into core routers.
Carrier grade stability.
Professional 40G CFP optic.
The CFP-40G-ER4 supports single-mode fiber links up to 40 km at 40 Gbps.
The CFP-40G-ER4 operates in the 1310 nm band for long-reach single-mode transmission.
The CFP-40G-ER4 is housed in an industry-standard CFP form factor for 40 GbE interfaces.
The module supports a line rate of 41.25 Gbps, compliant with IEEE 802.3ba 40GBASE-ER4.