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Price of SFP optical module QSFP28

Fiber and communications infrastructure knowledge brief Published 18 Nov 2023

Use this reference to prepare product questions for BAGYOU FIBRE. Check interfaces, capacity, protection and installation requirements against the current product documentation.

QSFP28 modules typically range from $35 to $280 depending on type and vendor, while SFP+ modules cost around $20 for 10G connectivity. QSFP28 Pricing OverviewQSFP28 modules, designed for 100G Ethernet, vary widely in price based on reach, vendor, and specifications. Common market prices in 2026 are: Short-reach (SR4) modules: starting at $35 for third-party compatible options, delivering 100G over multimode fiber.

Long-reach (LR4) modules: around $280 for OEM versions supporting 10 km single-mode fiber. High-end modules (ER4, ZR4): can reach several thousand dollars for OEM units, especially for extended reach up to 80 km. Third-party modules often meet the same optical and electrical specifications as OEM modules, including 100GBASE-SR4, LR4, CWDM4, ER4, or ZR4, but differences may exist in EEPROM coding, firmware, warranty, and vendor support.

Typical power consumption ranges from 3. 5W to 4. 5W depending on reach and design.

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P and SFP+ PricingSFP modules: support lower speeds, typically up to 4. 25 Gbps, and are widely used in legacy or low-bandwidth networks. SFP+ modules: standard for 10G Ethernet, costing around $20 per module, which equals $2 per Gbps.

While QSFP28 has a higher upfront cost, it provides much lower bandwidth cost—for example, a $35 QSFP28 SR4 module delivers 100G, equating to $0. 35 per Gbps, making it more cost-efficient for high-speed deployments.

Key Considerations

Compatibility: Ensure modules match your switch platform and fiber type. Vendor choice: OEM modules offer official support, while third-party modules are more cost-effective. Deployment scale: Bulk purchases can significantly reduce per-Gbps cost.

Future scalability: QSFP28 supports 100G and can be used in breakout configurations for 25G lanes, providing a smoother upgrade path compared to jumping from 10G to 100G. In summary, QSFP28 modules are ideal for high-speed, cost-efficient 100G networks, while SFP/SFP+ modules remain suitable for lower-speed or legacy deployments, with pricing reflecting both performance and vendor support considerations.

Price of SFP optical module QSFP28 - BAGYOU FIBRE NETWORKS [PDF]

Price of SFP optical module QSFP28

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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