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FET-40G-C
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40G Fabric Extender Transceiver Cisco Compatible
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Name:
FET-40G-C
- Description:
- 40G Fabric Extender Transceiver Cisco Compatible
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Orm
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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FET-40G-C Overview
FET-40G-C is a high-performance QSFP+ transceiver module engineered to deliver 40G data rates over fiber, featuring LC duplex connectors and optimized for long-range transmission up to 10 km on single-mode fiber. Designed with essential protocols like Ethernet and Fibre Channel in mind, it offers a compact form factor that meets modern data center, enterprise, and telecom network requirements.
Engineered for demanding network environments, FET-40G-C provides reliable, low-latency performance while conforming to strict physical dimensions and operating conditions. Its precise design—featuring standardized dimensions, a 3.3V input voltage, and an operating temperature range from 0 to 70°C—ensures seamless compatibility with leading networking platforms including Cisco, Juniper, Huawei, and Arista.
FET-40G-C price is is available on request. Get immediate quote.
Request bulk order quote for FET-40G-C for additional pricing. Browse the full Cisco Compatible Qsfp+ series or explore all Orm products.
FET-40G-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- 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
- 3.8 W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- FET-40G-C
- Height
- 0.73 inches
- Width
- 2.85 inches
- Depth
- 1.48 inches
- Weight
- 0.11 lbs
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Product Comparison Table 
| FET-40G-C |  QSFP-40G-ER4-C |  QSFP-40GE-LR4-C |  QSFP-40G-CSR4-C |  QSFP-40G-SR4-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP+ | QSFP | QSFP | QSFP | QSFP |
| Data Rate | 40G | 40G | 40G | 40G | 40G |
| Connector Type | LC | LC | LC | LC | MPO |
| Transmission Distance | Long-Range | Extended-Range | Long-Range | Short-Range | Short-Range |
| Supported Protocols | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Ethernet | Ethernet | Ethernet |
| 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 |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco | Cisco, Juniper, Huawei, Arista | Cisco | Cisco / Juniper / Huawei / Arista |
| Product Name | FET-40G-C | QSFP-40G-ER4-C | QSFP-40GE-LR4-C | QSFP-40G-CSR4-C | QSFP-40G-SR4-C |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
K
Kieran Thorne
5
Perfect for our Cisco Fabric Extender links. This FET-40G is recognized correctly and provides stable connectivity between our Nexus switches. Very reliable.
L
Lila Sterling
4
Consistent 40G performance for our FEX architecture. This module is robust and was recognized instantly. A dependable and cost-effective alternative for data centers.
M
Merrick Finch
5
Exceptional build quality. This FET-40G transceiver delivers rock-solid performance for our fabric extensions. No issues with signal integrity or latency. Highly recommended.
N
Nadia Whitlock
4
Reliable and high-performing module for Fabric Extenders. Seamlessly compatible with our Cisco gear. It provided the high-speed link we needed without any hassle.
O
Octavian Ross
5
Professional-grade FET-40G. It delivers stable signaling and full hardware compatibility. Extremely satisfied with the performance and durability of this transceiver in our production.
Questions & Answers
What is the FET-40G-C 40G Fabric Extender Transceiver Cisco Compatible?
The FET-40G-C is a Cisco-compatible QSFP+ transceiver designed for 40 GbE fabric extension over multimode fiber, delivering high-density, low-latency connectivity in data center networks.
Is the FET-40G-C transceiver compatible with Cisco Nexus and Catalyst switches?
Yes. The FET-40G-C is fully interoperable with Cisco Nexus and Catalyst series switches, supporting native 40 GbE QSFP+ ports without firmware upgrades or vendor locks.
What form factor does the FET-40G-C use?
The FET-40G-C uses the industry-standard QSFP+ (Quad Small Form-Factor Pluggable Plus) form factor in compliance with the SFF-8436 specification.
Which connector interface does the FET-40G-C require?
It requires a 12-fiber MPO/MTP connector, supporting parallel multimode fiber links for 40 GbE transmission.
What wavelength does the FET-40G-C operate on?
The transceiver operates at an 850 nm wavelength, optimized for OM3 and OM4 multimode fiber applications.
What is the maximum transmission distance of the FET-40G-C?
The FET-40G-C supports up to 100 m on OM3 fiber and up to 150 m on OM4 fiber at 40 GbE data rates.
What is the typical power consumption of the FET-40G-C?
The transceiver consumes less than 3.5 W under full load, ensuring energy-efficient operation in high-density environments.
What operating temperature range does the FET-40G-C support?
The FET-40G-C operates reliably in a temperature range from 0 °C to 70 °C (extended industrial range available on request).
Is the FET-40G-C transceiver hot-swappable?
Yes. The QSFP+ design allows hot-plug insertion and removal without powering down the host switch or disrupting other links.
How do I install the FET-40G-C in my switch?
First, insert the transceiver into an empty QSFP+ slot until it latches. Next, connect the MPO/MTP fiber cable and verify link status via the switch CLI or GUI.
What data center applications does the FET-40G-C support?
It supports leaf-spine architectures, FEX uplinks, server interconnects, high-performance computing (HPC) clusters, and storage area networks (SANs).
What warranty is provided with the FET-40G-C?
The product includes a one-year limited warranty covering manufacturing defects, with options for extended coverage and advanced replacement.
Does the FET-40G-C comply with industry standards?
Yes. It meets IEEE 802.3ba for 40 GbE, SFF-8436 QSFP+ MSA, and RoHS 6/6 environmental standards.
Does the FET-40G-C support digital diagnostics monitoring (DDM)?
Yes. The transceiver provides real-time DDM access to parameters such as optical power, temperature, voltage and laser bias current via the I2C interface.
What is included in the FET-40G-C package?
Each package contains the FET-40G-C transceiver module, protective dust caps, and a quick-start installation guide.
What is the typical lead time and shipping for the FET-40G-C?
In-stock orders ship within 1–2 business days. Expedited shipping and bulk order lead times may vary based on availability.
How can I troubleshoot link issues with the FET-40G-C?
Verify fiber cleanliness, confirm switch port configuration, check DDM parameters for power and temperature, and test with a known good cable or transceiver.