128G QSFP+ optical transceiver

128G QSFP+

C-LIGHT 128G QSFP+ optical transceiver is a high-speed fiber communication transceiver featuring a quad-channel parallel design, with each channel supporting 32Gbps transmission for an aggregate bandwidth of 128Gbps. Hot-swappable and compliant with 100G Ethernet and InfiniBand protocols, it delivers transmission distances up to 100 meters (multimode fiber) or 10 kilometers (single-mode fiber). Ideal for data centers, cloud computing, and HPC environments, its compact QSFP+ form factor enables high-density deployment while offering low power consumption and minimal latency, making it a core component in modern high-speed network infrastructure.

3-year warranty

Long term maintenance

Technical Support

Professional free technical guidance

100% detection

Each module is 100% tested

Spot stock

Always in stock, short delivery time

Technical Support

Tel：+86 158 1857 3751

Online Consultation

Product Details

Support & Service

Quality Inspection

Quality Certification

Product Details

Form Factor	Part No.	Fiber Type	Data Rate	Wavelength	Distance	Connector	Case Temperature	Note
QSFP+	CL128GQSFPCW4	SMF	128G	1310nm	2km~10km	LC	Com./Ind.
QSFP+	CL128GQSFPSR4	MMF	128G	850nm	100m	MPO	Com./Ind.

Support&Service

Customization

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Customization

C-LIGHT R&D and sales provide various personalized product customization services for customers in different industries.

C-LIGHT ensures good product quality and quality assurance through a series of effective measures.

C-LIGHT provides professional pre-sales and after-sales services, including product certification qualifications, product reports, and free technical support.

C-LIGHT provides an excellent production environment to ensure that products can meet customer needs.

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Quality inspection

●100% of products pass initial test, final test and factory inspection.

●3-step quality control management process.

●100% complete implementation of customer order quality requirements.

●100% guarantee of customer product data information security.

Quality certification

Please contact us to download the certification certificate.

Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.

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Phone：+86 158 1857 3751
Email : sales@c-light.com

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