The Dell QSFP-SR4-40G-I Compatible LINK-PP module is a high-performance 40G QSFP+ transceiver designed for robust industrial-grade networking. Operating at an 850nm wavelength over multimode fiber, this premium optical module delivers exceptional data rates up to 300m. Engineered with a reliable MPO interface, it ensures seamless integration and high-speed connectivity for demanding data center environments.
Dell Part Number
QSFP-SR4-40G-I
Vendor Name
LINK-PP
Form Factor
QSFP+
Max Data Rate
40Gbps
Wavelength
850nm
Max Cable Distance
300m
Connector
MPO-12
Media
MMF
Transmitter Type
VCSEL
Receiver Type
PIN
Protocols
IEEE 802.3 40GBASE-SR4, SFF-8436
Operating Temperature Range
-40°C to +85°C
Key Features of Dell QSFP-SR4-40G-I Compatible LINK-PP 40G QSFP+
Discover the exceptional capabilities of this industrial optical transceiver. It features a wide operating temperature range from -40°C to 85°C, ensuring stability in harsh conditions. With ultra-low power consumption and advanced VCSEL technology, this 40G QSFP+ module guarantees efficient, continuous, and high-speed network transmission.
This hot-pluggable QSFP+ optical module provides exceptional port density and significant system cost savings. Utilizing advanced photonics, the Dell QSFP-SR4-40G-I Compatible LINK-PP transceiver maximizes bandwidth capacity while maintaining superior signal integrity across modern telecommunication networks.
QSFP-SR4-40G-I: 40G Connectivity for Network Interface Cards
Delivering flawless 40G connectivity for network interface cards, this transceiver drastically accelerates data processing capabilities. It enables enterprise servers and storage systems to handle massive workloads effortlessly with guaranteed high-bandwidth performance and minimal latency.
QSFP-SR4-40G-I Module with 850nm Wavelength
Operating precisely at an 850nm wavelength, this optical module utilizes a premium VCSEL laser optimized for short-reach transmission. This optimized light source guarantees minimal signal degradation, ensuring absolute data accuracy across short-distance enterprise architectures.
Capable of supporting reliable 300m transmission distances, this transceiver pairs perfectly with standard OM4 multimode fiber cables. This impressive reach allows for highly flexible and scalable networking layouts within large-scale campus or enterprise data centers.
QSFP-SR4-40G-I Module with MPO-12 Interface
Featuring a standard 12-fiber MPO interface, this transceiver enables fast, secure, and dense optical connections. The plug-and-play design facilitates incredibly easy installation, significantly reducing cabling complexity and maintenance time in high-density network setups.
QSFP-SR4-40G-I Module with DOM for Real-Time Monitoring
Integrated with advanced Digital Optical Monitoring technology, this transceiver allows network administrators to access real-time diagnostics. You can effortlessly track operating temperature, voltage, and laser power, ensuring proactive maintenance and preventing unexpected system downtime.
The Dell QSFP-SR4-40G-I Compatible LINK-PP 40G QSFP+ module strictly adheres to comprehensive industry certifications. This ensures global compliance, delivering unmatched safety, environmental protection, and operational reliability.
Every module undergoes a rigorous quality testing program before dispatch. Our comprehensive evaluation process guarantees that each transceiver meets the highest standards of structural and functional excellence.
QSFP-SR4-40G-I Quality Certifications
Backed by authoritative global quality certifications including CE, FCC, UKCA, UL, and REACH, this transceiver guarantees top-tier electrical safety and completely eco-friendly manufacturing materials.
This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
ISO/IEC 27001 is an international standard for managing and processing information security. This standard is jointly developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). It sets out requirements for establishing, implementing, maintaining, and continually improving an information security management system (ISMS). Ensuring the confidentiality, integrity, and availability of organizational information assets, obtaining an ISO 27001 certificate means that the enterprise has passed the audit conducted by a certification body, proving that its information security management system has met the requirements of the international standard. Please contact us to learn more.
This product is in conformity with ISO14001.It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
ISO 45001 is a global standard that sets out the requirements for an occupational health and safety management system (OH&SMS).
REACH is a European Union regulation concerning the Registration, Evaluation, Authorization and Restriction of Chemicals. It came into force on 1st June 2007 and replaced a number of European Directives and Regulations with a single system. The regulation aims to protect human health and environmental safety, maintain and improve the competitiveness of the EU chemical industry, and develop innovative capabilities for non-toxic and harmless compounds to prevent market fragmentation, increase the transparency of the use of chemicals, promote non-animal experiments, and pursue sustainable social development.Please contact us to learn more.
This product meets the applicable requirements of Directive (EU) 2015/863 of RoHS. It restricts the use of 10 hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
This product fully accords with UKCA (UK Conformity Assessed) certificate, which signifies that it meets all relevant quality standards as well as health and safety requirements. Please contact us to learn more.
UL certification is a non-mandatory certification in the United States,mainly testing and certification of product safety performance.Its ultimate purpose is to obtain products with a fairly safe level for the market,and to contribute to ensuring human health and property safety.Please contact us to learn more.
QSFP-SR4-40G-I Certified for Reliable Host-Device Compatibility
Rigorously certified for extensive host-device compatibility, this advanced module seamlessly integrates with major switch and router brands, guaranteeing plug-and-play operation without encountering any frustrating configuration conflicts.
Our strict laboratory evaluation protocols guarantee exceptionally reliable QSFP+ performance, ensuring your enterprise network operates flawlessly under continuous heavy data loads.
Optical Spectrum Test
We conduct precise optical spectrum tests to verify center wavelength accuracy and signal stability.
Eye Pattern Test
The comprehensive eye pattern test guarantees optimal transmitter output quality and exceptionally low jitter.
Bit Error Rate Test
A stringent bit error rate test ensures flawless data transmission with zero packet loss.
Temperature Test
Extreme temperature testing confirms robust industrial-grade reliability from freezing -40°C to scorching 85°C environments.
Product Shipping for Dell QSFP-SR4-40G-I Compatible LINK-PP 40G QSFP+
We prioritize highly secure product shipping for the Dell QSFP-SR4-40G-I Compatible LINK-PP 40G QSFP+, ensuring your network components arrive in pristine working condition every time.
Experience straightforward deployment with our interactive usage demonstration. Watch how easily the Dell QSFP-SR4-40G-I Compatible LINK-PP 40G QSFP+ installs into compatible switches, instantly upgrading your network infrastructure with reliable, high-density fiber optic connectivity for modern industrial environments.
QSFP-SR4-40G-I Technical Support
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Pre-Sales Technical Consultation
Professional technical guidance to help customers select the most suitable QSFP-SR4-40G-I modules based on network architecture and application requirements.
Compatibility Verification Support
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Deployment & Installation Assistance
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Long-Term Technical Assurance
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
A:
Yes, we do! For B2B orders over 100 units, we provide tiered volume pricing. For a 500+ piece deployment, please contact our sales team directly, and we’ll ensure you get the absolute best rate to optimize your project budget. By
admin on
2026-03-05
A:
Yes, this is a true industrial-grade transceiver. It is specifically engineered to operate flawlessly in extreme temperatures ranging from -40°C to +85°C. Your outdoor base station backhaul will remain perfectly stable. By
admin on
2026-02-27
A:
Yes, they are 100% compliant with both IEEE 802.3 40GBASE-SR4 and the MSA SFF-8436 standards. You can confidently deploy them in highly regulated environments knowing they meet all global networking protocols. By
admin on
2026-01-02
A:
Absolutely! The LQ-M8540-SR4I supports strict multi-brand interoperability. We've rigorously tested them to link Cisco, Arista, and even HPE or Dell switches natively without any protocol mismatch or link-drop issues. By
admin on
2025-11-23
Please write comments with more than three
character.
494767
406133
L***g
Switzerland
Verified
Purchase
5 .0
2025-06-01
We use these for our campus fiber networking and high-speed enterprise NAS. The IEEE 802.3 40GBASE-SR4 protocol compliance is rock solid. Best cost-effective outdoor network equipment USA for harsh machine room environments.
Please write comments with more than three
character.
494767
406137
D***n
United States
Verified
Purchase
5 .0
2025-05-03
We did a massive multi-brand switch compatibility test. These MPO-12 multimode transceivers linked Dell, Fortinet, and H3C gear instantly. DDM metrics are precise, making our enterprise data center maintenance so much simpler.
Please write comments with more than three
character.
494767
406125
J***l
Colombia
Verified
Purchase
5 .0
2024-11-04
As a network engineer, finding a reliable industrial 40G QSFP+ module is tough. This 850nm VCSEL transceiver handled our 250m OM4 base station backhaul effortlessly. Incredible TCO for UK data center optics bulk deployments!
Please write comments with more than three
character.
494767
406134
J***e
Belarus
Verified
Purchase
5 .0
2024-07-11
The customer service was great and responded quickly (my communication was by email). Many payment options. Easy process. Quick customization and shipping.
Singapore · English · SGD
