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QSFP-40G-SR4-C
40GBase-SR4 QSFP+ MMF Module Cisco Compatible
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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.
Request bulk order quote for QSFP-40G-SR4-C for additional pricing. Browse the full Cisco Compatible Qsfp+ series or explore all Orm products.
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 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 |
| Wavelength | 850nm | 1310 nm | 1310nm | 1310 nm | N/A |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Extended-Range | Short-Range |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Single-mode | N/A |
| Max Distance | 100m (OM3)/150m (OM4) | 10 km | 10 km | 40 km | N/A |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet | Ethernet |
| Network Interface | Ethernet | Ethernet | Fiber | Fiber | Ethernet |
| Power Consumption | 4.2W | 3.0 W | 6.5W | N/A | 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 | 3.3V | 3.3V | 3.3V | N/A | 3.3V |
| 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 |
| Height | N/A | 0.47 inches | 0.7 inches | N/A | N/A |
| Width | N/A | 0.94 inches | 0.9 inches | N/A | N/A |
| Depth | N/A | 1.5 inches | 1.2 inches | N/A | N/A |
| Weight | N/A | 0.1 lbs | 0.12 lbs | N/A | N/A |
Excellent 40G SR4 performance over MMF. This QSFP+ module is stable and reliable. Full compatibility with our Cisco Nexus 3000 switches. Great value.
Exceptional signal integrity. This SR4 module delivers professional stability for our high-speed data center links. No packet loss or latency issues since installation.
Consistent 40G throughput. This module is robust and was recognized instantly. A solid, cost-effective solution for our short-reach fiber backbone. Very satisfied.
High-quality SR4 module. It integrated seamlessly into our existing 40G setup. Robust build and steady signaling. Highly recommended for enterprise networking.
Reliable and robust 40G SR4 optic. It delivers the professional performance our backbone requires. Easy installation and flawless Cisco compatibility. Excellent choice.
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.
Yes. The QSFP-40G-SR4-C is fully compatible with Cisco QSFP+ ports and supports Cisco IOS and NX-OS platforms.
It supports up to 100 meters over OM3 multimode fiber and up to 150 meters over OM4 multimode fiber at 40 Gbps.
This module is optimized for OM3 and OM4 multimode fiber with an MPO/MTP 12-fiber connector interface.