PAN-QSFP-40GBASE-SR4 Palo Alto Alternative: Selection
March 24, 2026
Find reliable PAN-QSFP-40GBASE-SR4 alternatives from trusted suppliers. Explore compatibility, quality assurance, and why LINK-PP is a top choice.
QSFP LC Transceivers: Selection for High-Speed Fiber
March 23, 2026
Learn how to choose the right QSFP LC transceiver for 40G and 100G fiber networks — balancing performance, reach, and compatibility.
eSR4 Technology: Understanding Extended Short Reach Optics
March 17, 2026
Learn how eSR4 technology extends short-reach multimode fiber connectivity. Understand architecture, benefits, distances, and deployment scenarios.
CSR4 Cisco Equivalent: Campus Network Deployment
March 17, 2026
Learn how CSR4 Cisco equivalent optical modules support 40G campus networks, including fiber requirements, compatibility, and deployment practices.
Cisco QSFP 40G Alternative: Purchasing Specifications
March 17, 2026
Learn how to choose the right Cisco QSFP 40G compatible alternative with key specs, compatibility tips, and buying guidance for 40G networks.
Fiber Optic Transceiver: Comprehensive Selection Manual
March 16, 2026
Learn how to select the right fiber optic transceiver from 100M to 400G. Explore speeds, form factors, fiber types, and compatibility considerations.
QSFP-DD vs QSFP28: Key Differences, Speed, and Use Cases
March 13, 2026
Learn the key differences between QSFP-DD and QSFP28, including speed, port density, compatibility, and deployment scenarios in modern data center networks.
100G QSFP Transceiver for Commercial Ethernet Connectivity
March 13, 2026
Upgrade network capacity with 100G QSFP transceivers — engineered for efficiency, performance, and seamless 100G commercial Ethernet links.
QSFP-100G-LR4-S Cisco Compatible Transceiver Selection Guide
March 13, 2026
Learn key specs, fiber requirements, and compatibility criteria to select the right QSFP-100G-LR4-S Cisco compatible module for high-speed connectivity.
400G QSFP-DD LR4 Optics: Architecture, Specs and Application
March 11, 2026
Learn how 400G QSFP-DD LR4 transceivers work, including CWDM4 wavelengths, EML lasers, key specifications, and applications in high-speed data center networks.
Ultimate Guide to Cisco QSFP-100G-SR4-S Compatible Module
March 11, 2026
The QSFP-100G-SR4-S complete guide covers key specifications, supported Cisco platforms, OEM vs. third-party differences, and compatibility troubleshooting.
What Is QSFP+ and How Does It Compare to QSFP28
March 11, 2026
What is QSFP+? Understand 40G QSFP+ transceivers, including how they work, common module types, and comparisons with QSFP28 for modern networking.
QSFP Products
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NVIDIA/Mellanox QDD-SR4.2-400G Compatible LINK-PP 400GBASE-SR4.2 QSFP-DD BiDi 850/910nm 150m MPO-12/UPC MMF Transceiver Module $ 1,210.00 ~ 1,375.00 -
Juniper QDD-400G-SR4P2 Compatible LINK-PP 400GBASE-SR4.2 QSFP-DD BiDi 850/910nm 150m MPO-12/UPC MMF Transceiver Module $ 1,210.00 ~ 1,375.00 -
Generic QDD-SR4.2-400G Compatible LINK-PP 400GBASE-SR4.2 QSFP-DD BiDi 850/910nm 150m MPO-12/UPC MMF Transceiver Module $ 1,210.00 ~ 1,375.00 -
FS QDD-SR4.2-400G Compatible LINK-PP 400GBASE-SR4.2 QSFP-DD BiDi 850/910nm 150m MPO-12/UPC MMF Transceiver Module $ 1,210.00 ~ 1,375.00 -
Dell QDD-SR4.2-400G Compatible LINK-PP 400GBASE-SR4.2 QSFP-DD BiDi 850/910nm 150m MPO-12/UPC MMF Transceiver Module $ 1,210.00 ~ 1,375.00 -
Cisco QDD-400G-SR4.2-BD Compatible LINK-PP 400GBASE-SR4.2 QSFP-DD BiDi 850/910nm 150m MPO-12/UPC MMF Transceiver Module $ 1,210.00 ~ 1,375.00 -
Arista QDD-400G-SRBD Compatible LINK-PP 400GBASE-SR4.2 QSFP-DD BiDi 850/910nm 150m MPO-12/UPC MMF Transceiver Module $ 1,210.00 ~ 1,375.00 -
LPSFP3802 QSFP+ 1x1 Cage Connector $ 2.26 -
Cisco QDD-400G-LR4-S Compatible 400GBASE-LR4 QSFP-DD 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module $ 738.74 ~ 859.00 -
LINK-PP LQD-CW400-LR4C 400GBASE-LR4 QSFP-DD 1310nm 10km DOM Duplex LC SMF Optical Transceiver Module $ 738.74 ~ 859.00
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