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StarTech. com QSFP40GSR4ST Cisco QSFP-40G-SR4 Compatible QSFP+ Module - 40GBASE-SR4 - 40GbE Multimode Fiber MMF Optic
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Product Features
Technical Overview
This QSFP+ transceiver operates on the 40GBASE-SR4 standard, utilizing four parallel 10 Gbps lanes to achieve an aggregate bandwidth of 40 Gbps over multimode fiber. It supports distances up to 150 meters (492 feet) with 850nm wavelength optics, ensuring reliable performance for short to medium-range fiber links. The module's LC duplex connector interface provides a standardized connection for fiber patch cables, while its hot-pluggable design allows for installation and replacement without powering down network equipment.
The transceiver includes comprehensive environmental compliance with RoHS, REACH, and WEEE directives, reflecting StarTech.com's commitment to sustainable manufacturing. Its compact dimensions of 0.50" (12.70 mm) height, 0.70" (17.78 mm) width, and 2.80" (71.12 mm) depth, along with a lightweight 1.10 oz (31.18 g) build, ensure minimal space consumption in densely populated network racks.
Key Product Advantages
This transceiver module offers distinct advantages for network deployments requiring high-speed fiber connectivity with broad compatibility and robust support.
OEM Compatibility Without Voiding Support
100% compatible with Cisco QSFP-40G-SR4 switches, tested for seamless operation in Cisco routers and switches. It does not void OEM support agreements, providing a cost-effective alternative to branded modules while maintaining network integrity.
- Works with Cisco Firepower, ASR, C9300, C3850 series
- Also compatible with Ubiquiti, D-Link, Netgear, Supermicro, TP-Link MSA-compliant switches
Lifetime Warranty & Technical Support
Backed by StarTech.com's lifetime warranty for the module itself, not limited to your equipment lifespan. Access to Tech Advisors 5/24 ensures ongoing support for deployment, troubleshooting, and optimization.
- Lifetime module warranty
- 24/5 technical advisor access
Deployment / Use Cases
This QSFP+ transceiver is engineered for scenarios demanding high-bandwidth, low-latency fiber connections within data centers, enterprise networks, and telecommunications infrastructure.
In data center environments, it facilitates spine-leaf architectures, storage area networks (SANs), and server-to-switch links, leveraging 40 Gbps speeds to handle intensive workloads like virtualization, big data analytics, and cloud services. For enterprise campuses, it supports backbone connections between distribution switches, ensuring efficient data flow across buildings or floors.
Data Center Interconnects
Ideal for connecting top-of-rack switches to aggregation layers, enabling scalable network designs that accommodate growing traffic demands without compromising performance.
Network Upgrades & Expansions
Enables cost-effective upgrades from 10 GbE to 40 GbE by replacing existing transceivers in compatible switches, extending the lifecycle of network hardware while boosting throughput.
Physical Profile
The transceiver features a compact, hot-swappable form factor that fits standard QSFP+ slots in switches and routers. Its small footprint and lightweight design minimize thermal and spatial impact in high-density installations. The robust construction ensures reliable operation in varied environmental conditions, supported by compliance with international safety and environmental standards.
- Width
- 0.70" (17.78 mm)
- Depth
- 2.80" (71.12 mm)
- Height
- 0.50" (12.70 mm)
- Weight
- 1.10 oz (31.18 g)
Highlights
- 100% compatible with Cisco QSFP-40G-SR4 switches like Firepower, ASR1000, ASR9000, C9300, C3850
- 40GBASE-SR4 40 Gbps multimode fiber optic transceiver with LC connectors
- Supports distances up to 150m (492ft) over multimode fiber with 850nm wavelength
- Hot-swappable, MSA-compliant design for easy installation in Cisco and other switches
- Digital Diagnostic Monitoring (DDM) for real-time status via SNMP management tools
- Lifetime warranty from StarTech.com with 24/5 technical advisor access
- Works with MSA-compliant switches from Ubiquiti, D-Link, Netgear, Supermicro, TP-Link
- Environmentally compliant with RoHS, REACH, and WEEE directives
Specifications
| Specifications | |
|---|---|
| Manufacturer | StarTech.com |
| Manufacturer Part Number | QSFP40GSR4ST |
| Brand Name | StarTech.com |
| Product Name | Cisco QSFP-40G-SR4 Compatible QSFP+ Transceiver Module - 40GBASE-SR4 |
| Product Type | QSFP+ |
| Packaged Quantity | 1 Each |
| Technical Information | |
| Application/Usage | Data Networking,Optical Network |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | LC |
| Interfaces/Ports Details | 1 x LC Duplex 40GBase-SR4 Network |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Multi-mode |
| Ethernet Technology | 40 Gigabit Ethernet |
| Network Technology | 40GBase-SR4 |
| Physical Characteristics | |
| Form Factor | Hot-pluggable,Hot-swappable |
| Height | 0.50" (12.70 mm) |
| Width | 0.70" (17.78 mm) |
| Depth | 2.80" (71.12 mm) |
| Weight (Approximate) | 1.10 oz (31.18 g) |
| Miscellaneous | |
| Compatibility | MSA Compliant Cisco Firepower Switches: ASR1000 ASR9000 C9300 C3850 |
| Country of Origin | China |
| Environmentally Friendly | Yes |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS),Registration, Evaluation, Authorization and Restriction of Chemicals (REACH),Waste Electrical and Electronic Equipment Directive (WEEE) |
| Warranty | |
| Limited Warranty | Lifetime |
User Manual
FAQ
What switches is this QSFP+ transceiver compatible with?
This transceiver is 100% compatible with Cisco switches including the Firepower series, ASR1000, ASR9000, C9300, and C3850 models. It also works with other MSA-compliant switches from manufacturers like Ubiquiti, D-Link, Netgear, Supermicro, and TP-Link that accept uncoded modules, ensuring broad deployment flexibility in diverse network environments.
What is the maximum distance supported by this 40GBASE-SR4 module?
The module supports distances up to 150 meters (492 feet) over multimode fiber optic cables. This range is suitable for short to medium-range connections within data centers, enterprise buildings, or campus networks, providing reliable high-speed links without signal degradation.
Does this transceiver support Digital Diagnostic Monitoring (DDM)?
Yes, it includes Digital Diagnostic Monitoring (DDM) capabilities that report real-time operational status such as temperature, voltage, and optical power levels. This data is accessible through most SNMP network management tools, enabling proactive maintenance and troubleshooting for enhanced network reliability.
Is the transceiver hot-swappable?
Yes, the transceiver features a hot-pluggable and hot-swappable design, allowing installation or replacement without powering down the network switch or router. This minimizes downtime during upgrades or maintenance, supporting continuous operation in critical networking scenarios.
What type of fiber and connectors does this module use?
It uses multimode fiber optic cables with LC duplex connectors. The 40GBASE-SR4 technology operates at an 850nm wavelength, making it optimized for multimode fiber deployments commonly found in data centers and enterprise networks for high-bandwidth applications.
What warranty and support does StarTech.com provide for this product?
StarTech.com backs this transceiver with a lifetime warranty that covers the module itself, not limited to your equipment's lifespan. Additionally, you have access to their Tech Advisors 5 days a week, 24 hours a day, for technical support, ensuring assistance with deployment, compatibility, and any operational issues.
| Qty | Price | Available |
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