The BladeSystem 720190-B21 Compatible LINK-PP module is a premium 40GBASE-LR4 QSFP+ optical transceiver designed for high-speed data center networks. This commercial-grade 40G Ethernet module operates over single-mode fiber (SMF), delivering exceptional bandwidth and long-range reliability. Featuring a hot-swappable QSFP+ form factor, it ensures seamless integration, minimal latency, and maximum performance for enterprise-level telecommunication upgrades.
Key Features of BladeSystem 720190-B21 Compatible LINK-PP 40G QSFP+
This advanced 40G optical module boasts outstanding features tailored for modern networking demands. Equipped with robust DFB lasers and PIN receivers, the transceiver guarantees superior signal integrity. It provides low power consumption, excellent electromagnetic interference shielding, and steadfast compliance with IEEE 802.3ba industry standards.
Engineered for durability, this high-performance QSFP+ optical module features a rugged metal housing for optimal thermal dissipation. The pluggable 40G transceiver guarantees stable optical data transmission, making it an essential component for high-density routing and switching applications.
720190-B21: 40G Connectivity for Spine-to-Leaf Links
Designed to optimize modern data center architectures, this module delivers robust 40G connectivity for spine-to-leaf switch links. It effortlessly handles massive data throughput, ensuring ultra-low latency and seamless communication across demanding cloud computing and enterprise network environments.
720190-B21 Module with CWDM4 Technology for Fiber Efficiency
Utilizing advanced Coarse Wavelength Division Multiplexing (CWDM4) technology, this efficient 40G transceiver multiplexes four optical lanes into a single fiber pair. This innovative design significantly maximizes fiber utilization, reducing cabling infrastructure costs for expansive optical network deployments.
720190-B21 Module with 1271nm, 1291nm, 1311nm, 1331nm Wavelength
Operating on standardized CWDM grids, the module transmits data flawlessly across 1271nm, 1291nm, 1311nm, and 1331nm center wavelengths. This uncooled DFB laser array configuration prevents signal crosstalk, ensuring highly accurate and reliable optical multiplexing during intensive data transfers.
720190-B21 Module Supporting 10km Transmission
Engineered for long-reach networking, this 40GBASE-LR4 transceiver flawlessly supports extended transmission distances up to 10km over standard single-mode fiber (OS1/OS2). It provides an ideal connectivity solution for campus-wide backbones, metro networks, and inter-datacenter communication links.
720190-B21 Module with Duplex LC Interface
Equipped with a standard duplex LC optical interface, this hot-pluggable module allows for quick, secure, and precise fiber patch cord connections. The widely compatible LC connector design ensures effortless physical installation and minimizes optical insertion loss.
720190-B21 Module with DOM for Real-Time Monitoring
Featuring built-in Digital Optical Monitoring (DOM) capabilities, this smart transceiver allows network administrators to proactively track real-time operational parameters. You can easily monitor vital metrics like operating temperature, laser bias current, voltage, and optical power levels.
LINK-PP prioritizes exceptional product safety and industry compliance. Our 40G QSFP+ optical modules undergo rigorous validation to meet strict international manufacturing and environmental regulatory standards.
Every optical transceiver participates in a comprehensive quality assurance testing program. This strict multi-stage evaluation guarantees zero defects, ensuring continuous high-speed performance in demanding data center environments.
720190-B21 Quality Certifications
This premium 40G module proudly holds essential global quality certifications, including CE, FCC, UKCA, UL, and RoHS compliance, guaranteeing environmental safety and premium electromagnetic interference standards.
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.
720190-B21 Certified for Reliable Host-Device Compatibility
Extensively certified for flawless host-device compatibility, this interoperable transceiver works seamlessly with major OEM networking switches and routers, preventing frustrating vendor lock-in and minimizing deployment risks.
We subject our network transceivers to meticulous hardware evaluations, ensuring each 40G module delivers unmatched signal integrity and consistent long-term networking stability.
Optical Spectrum Test
Confirms highly precise CWDM center wavelengths and stringent spectral width compliance for error-free multiplexing.
Eye Pattern Test
Verifies optimal optical transmission quality, low jitter, and excellent signal integrity across all lanes.
Bit Error Rate Test
Guarantees ultra-low data packet loss and flawless 40G Ethernet transmission reliability under heavy traffic.
Temperature Test
Ensures the commercial-grade optical module operates flawlessly between 0°C and 70°C without thermal degradation.
Product Shipping for BladeSystem 720190-B21 Compatible LINK-PP 40G QSFP+
We provide secure, streamlined, and highly efficient global shipping solutions to ensure your vital optical networking components arrive swiftly and in perfect condition.
Anti-Static Protective Packaging
Individually sealed in premium ESD bags to prevent electrostatic discharge damage completely.
Shock-Resistant Transport Protection
Encased in customized impact-absorbing foam trays for maximum physical transit security.
Fast Order Processing and Dispatch
Efficient warehouse fulfillment ensures your telecommunication equipment orders are shipped out rapidly.
Global Logistics and International Delivery
Partnered with reliable international couriers for expedited and trackable worldwide door-to-door delivery.
Installing the LINK-PP 40GBASE-LR4 transceiver is a simple plug-and-play process. Carefully insert the QSFP+ module into the compatible switch port until it clicks, then attach the duplex LC single-mode fiber patch cable to establish an instant high-speed connection.
720190-B21 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 720190-B21 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 provide aggressive volume discounts for B2B clients! For a bulk purchase of 200 units, you will receive a significant price reduction compared to the single-unit cost shown. Reach out to our sales engineering team directly for a customized quote. By
admin on
2026-04-09
A:
Absolutely. This QSFP+ module is thoroughly tested for OEM compatibility across major brands like Cisco, Arista, and Juniper. It's entirely plug-and-play and will integrate smoothly without triggering unsupported transceiver warnings. By
admin on
2026-03-17
A:
We maintain a large, stable supply chain and keep extensive inventory of these standard 40G LR4 optics. Orders are typically processed within 24 hours, and expedited global shipping usually takes just 2 to 5 business days, ensuring you meet critical project deadlines. By
admin on
2026-02-10
A:
Yes, the LQ-CW40-LR4C strictly complies with the IEEE 802.3ba 40GBASE-LR4 standard and all QSFP+ MSA specifications. It is also fully RoHS compliant, fulfilling the rigorous regulatory and operational demands of global enterprise and government deployments. By
admin on
2025-10-25
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482494
390596
N***s
Argentina
Verified
Purchase
5 .0
2025-09-02
Upgrading spine-to-leaf links was a breeze. These duplex LC transceivers run cool under 70°C limits. The DDM monitoring is incredibly precise across our Juniper switches. Highly recommend for B2B procurement.
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482494
390590
M***l
Mexico
Verified
Purchase
5 .0
2025-01-25
Tested these 40G QSFP+ modules for our campus fiber network upgrade. Flawless Arista compatibility and the CWDM4 wavelengths maintain stable 10km links. Great cost-effective solution for massive datacenter deployments!
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482494
390588
M***s
Dominican Republic
Verified
Purchase
5 .0
2025-01-09
Solid OEM compatible 1310nm QSFP+ for our base station backhaul. The DFB transmitters are rock stable. Easily handles intensive 40G Ethernet traffic without overheating in our indoor server cabinets.
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482494
390580
F***i
United States
Verified
Purchase
5 .0
2024-10-16
LINK-PP has an easy to browse website with great prices and excellent customer service. Every interaction that I have had with LINK-PP has been smooth and hassle free. Would definitely reccomend to friends and family!
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482494
390586
E***z
Hong Kong
Verified
Purchase
5 .0
2024-09-30
I just placed an order with 50 pcs 10G Sfp Cage. You guys shipped them to me in the same day. Actually it's really urgent for me and I appreciate your Fast shipment. Will order it continually for my projects.
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482494
390576
K***i
Ireland
Verified
Purchase
5 .0
2023-08-02
I'm very happy with my transaction and purchase. The Optical Transceiver Module works with no issue. I would definitely recommend this company for customer service and speed. I will be purchasing from them again in the future.
Singapore · English · SGD
