Startech IT
StarTech.com MSA Compliant 40GBase-SR4 QSFP+ - 40G QSFP+ Fiber Transceiver Module with MPO Connector - MM - 150 m [492 ft] - 850 nm (qsfp40sr4st)
- SKU:
- 21093235
- MPN:
- qsfp40sr4st
- Availability:
- Usually ships the same or next business day. In stock at our CA, IL warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/13/2025 02:08:00 AM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $59.17 each 59.17 |
| Buy 3 | and pay only $55.33 each 55.33 |
| Buy 4 - 6 | and pay only $54.18 each 54.18 |
| Buy 7 or above | and pay only $52.72 each 52.72 |
- Stock Update:
- 12/13/2025 02:08:00 AM PST
Description
This item is brand-new, factory sealed.
Add reliable and cost-effective 40 Gigabit Ethernet connections over multimode fiber, with this QSFP+ module. This 40GBase-SR4 QSFP+ module delivers what you need most in your network connections: reliable performance. It's built to exacting MSA specifications and fully tested to ensure seamless compatibility. The multimode QSFP+ transceiver module offers a cost-effective way to add, replace or upgrade the ports on your networking equipment, and it's backed by a lifetime warranty.
Delivers 40 Gigabit Ethernet connections
With data transfer rates of up to 40Gbps and support for Digital Diagnostics Monitoring (DDM / DOM), this QSFP+ module can be installed into fiber networking equipment with an MSA compliant port, using an MPO connector. It delivers dependable 40 Gigabit connectivity over multimode fiber for 40GBase-SR4 compliant networks, with a maximum distance of up to 150 m (492 ft.) and 850 nm optical wavelength.
Built for reliable network performance
This optical transceiver is engineered to meet or exceed the industry's MSA (Multi-Source Agreement) standards. StarTech.com brings its established reputation for high-quality connectivity solutions to SFP transceivers, providing SFPs that match major OEM brands in performance and reliability. Committed to the highest standards, StarTech.com provides an extensive range of networking products including copper and fiber network cards, fiber media converters, Ethernet switches and wireless products.
Convenient and scalable
Delivering both convenience and scalability, this fiber transceiver is fully hot-pluggable, which enables you to install it without interrupting network traffic or having to reboot your equipment. It provides a versatile solution that's compatible with a wide range of networking equipment, allowing you to expand your network to remote segments cost-effectively.
You can count on QSFP40SR4ST for reliable performance, backed by a lifetime warranty and free lifetime technical support.
Features
Yes
Compatibility:
MSA Compliant
Environmental Compliance:
Waste Electrical and Electronic Equipment Directive (WEEE)
Restriction of Hazardous Substances (RoHS)
Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
Country of Origin:
China
Specs
| Physical Characteristics | |
| Form Factor | Hot-swappable |
| Weight (Approximate) | 0.07 lb |
| Height | 0.5" |
| Width | 0.7" |
| Depth | 2.8" |
| Warranty | |
| Limited Warranty | Lifetime |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | MPO |
| Interfaces/Ports Details | 1 x MPO Duplex 40GBase-SR4 Network |
| General Information | |
| Brand Name | StarTech.com |
| Manufacturer Website Address | http://www.startech.com |
| Marketing Information | The QSFP40SR4ST is an MSA compliant fiber QSFP+ transceiver that's designed, programmed and tested to work with 40GBASE-SR4 compatible MSA switches and routers. The QSFP+ transceiver module supports a maximum distance of up to 150 m (492 ft) and delivers dependable 40 GbE connectivity over fiber cabling. Technical Specifications: Wavelength: 850 nm Maximum Data Transfer Rate: 40 Gbps Type: Multi Mode Fiber Connection Type: MPO Connector Maximum Transfer Distance: 150 m (492 ft) MTBF: 1,489,426 hours Power Consumption: Less than 0.7 Watts DDM: Yes This QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP Cables, providing the convenience and reliability you need to ensure dependable network performance. More from the Manufacturer More from the Manufacturer |
| Product Type | QSFP+ |
| Product Name | MSA Compliant QSFP+ Transceiver Module - 40GBASE-SR4 |
| Manufacturer | StarTech.com |
| Manufacturer Part Number | QSFP40SR4ST |
| Packaged Quantity | 1 Each |
| Media & Performance | |
| Ethernet Technology | 40 Gigabit Ethernet |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Multi-mode |
| Network Technology | 40GBase-SR4 |
| Technical Information | |
| Application/Usage |
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Warranty Information
