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QSFP-40G-SR4-C
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40GBase-SR4 QSFP+ MMF Module Cisco Compatible
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Name:
QSFP-40G-SR4-C
- Description:
- 40GBase-SR4 QSFP+ MMF Module Cisco Compatible
- Rating:
Added to cart 28 times recently
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2 In stock - Ready to Ship
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- Orm
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QSFP-40G-SR4-C Overview
QSFP-40G-SR4-C is a QSFP transceiver module engineered for 40G Ethernet applications, offering high-speed data transmission over short-range distances. It utilizes multi-mode fiber with MPO connectors and operates at an 850nm wavelength, making it ideal for data centers, enterprise networks, and telecom environments.
Designed in a compact QSFP form factor with standard dimensions for pluggable optics, the QSFP-40G-SR4-C ensures reliable performance and interoperability with leading networking equipment. Its support for Ethernet protocols and optimized transmission characteristics make it a robust solution for high-density optical interconnects in modern infrastructures.
QSFP-40G-SR4-C price is is available on request. Get immediate quote.
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QSFP-40G-SR4-C Specifications
- Product Type
- Transceiver
- Brand
- Orm
- Form Factor
- QSFP
- Data Rate
- 40G
- Connector Type
- MPO
- Wavelength
- 850nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 100m (OM3)/150m (OM4)
- Supported Protocols
- Ethernet
- Network Interface
- Ethernet
- Power Consumption
- 4.2W
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco / Juniper / Huawei / Arista
- Product Name
- QSFP-40G-SR4-C
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Product Comparison Table 
| QSFP-40G-SR4-C |  QSFP-4X10G-LRL-S-C |  WSP-Q40GLR4L-C |  QSFP-40G-ER4-C |  QSFP-40G-CSR4-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP | QSFP+ | QSFP | QSFP |
| Data Rate | 40G | 4x10G (40G) | 40G | 40G | 40G |
| Connector Type | MPO | LC | LC | LC | LC |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Extended-Range | Short-Range |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| 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 |
| 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, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco | Cisco |
| Product Name | QSFP-40G-SR4-C | QSFP-4X10G-LRL-S-C | WSP-Q40GLR4L-C 40G QSFP+ Long-Range Transceiver | QSFP-40G-ER4-C | QSFP-40G-CSR4-C |
Compliance & Warranty
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Up to 3-Year Warranty Coverage
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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.
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Reviews & Ratings
P
Prudence Bell
5
Excellent 40G SR4 performance over MMF. This QSFP+ module is stable and reliable. Full compatibility with our Cisco Nexus 3000 switches. Great value.
Q
Quentin Vance
4
Exceptional signal integrity. This SR4 module delivers professional stability for our high-speed data center links. No packet loss or latency issues since installation.
R
Rosalind Pike
5
Consistent 40G throughput. This module is robust and was recognized instantly. A solid, cost-effective solution for our short-reach fiber backbone. Very satisfied.
S
Sebastian Orr
5
High-quality SR4 module. It integrated seamlessly into our existing 40G setup. Robust build and steady signaling. Highly recommended for enterprise networking.
T
Tabitha Young
4
Reliable and robust 40G SR4 optic. It delivers the professional performance our backbone requires. Easy installation and flawless Cisco compatibility. Excellent choice.
Questions & Answers
What is the QSFP-40G-SR4-C module?
The QSFP-40G-SR4-C is a 40GBase-SR4 QSFP+ multimode fiber transceiver module compatible with Cisco equipment, designed for high-density 40 Gbps data center links.
Is the QSFP-40G-SR4-C compatible with Cisco switches and routers?
Yes. The QSFP-40G-SR4-C is fully compatible with Cisco QSFP+ ports and supports Cisco IOS and NX-OS platforms.
What is the maximum transmission distance of the QSFP-40G-SR4-C?
It supports up to 100 meters over OM3 multimode fiber and up to 150 meters over OM4 multimode fiber at 40 Gbps.
Which fiber cable type does the QSFP-40G-SR4-C support?
This module is optimized for OM3 and OM4 multimode fiber with an MPO/MTP 12-fiber connector interface.
What data rate and wavelength does the QSFP-40G-SR4-C use?
It operates at 40 Gbps aggregate with four 10 Gbps lanes, using an 850 nm VCSEL laser wavelength.
What connector type is required for the QSFP-40G-SR4-C?
The module uses a standard MPO/MTP 12-fiber female connector for multimode fiber connectivity.
Does the QSFP-40G-SR4-C support breakout configurations?
Yes. It supports 4×10 Gbps breakout using a compatible MPO-to-LC fanout cable on most Cisco platforms.
Is the QSFP-40G-SR4-C hot-swappable?
Yes. The QSFP-40G-SR4-C module is hot-pluggable, allowing insertion or removal without powering down the system.
What is the power consumption of the QSFP-40G-SR4-C?
Typical power consumption is ≤1.5 W, ensuring low energy usage in high-density deployments.
Which standards does the QSFP-40G-SR4-C comply with?
It meets IEEE 802.3ba 40GBase-SR4 and MSA QSFP+ specifications for interoperability.
How do I install the QSFP-40G-SR4-C module?
Align the module with the port, slide it in until it latches, connect the MPO/MTP cable, and verify link status via your switch management interface.
Can the QSFP-40G-SR4-C support 4×10 Gbps applications?
Yes. It can be configured for four 10 Gbps channels over an MPO-to-4LC fanout cable to support legacy 10 Gigabit Ethernet ports.
What is the operating temperature range of the QSFP-40G-SR4-C?
The module operates reliably from 0 °C to 70 °C (32 °F to 158 °F) ambient temperature.
What is the SKU or part number of this module?
The Cisco-compatible part number is QSFP-40G-SR4-C.
Does the QSFP-40G-SR4-C come with a warranty?
Yes. It includes a one-year warranty covering manufacturing defects and performance compliance.
What are the typical applications for the QSFP-40G-SR4-C?
Ideal for data center spine-leaf architectures, HPC clusters, SAN, and switch interconnects requiring 40 Gbps multimode links.