100G InfiniBand EDR QSFP28 4CH optical transceiver丨C-LIGHT

100G IB QSFP28 4CH

100G InfiniBand EDR QSFP28 4CH optical transceiver is designed to meet the demands of high-performance computing, AI clusters, and hyperscale data centers for extreme bandwidth and ultra-low latency. It features a 4-channel parallel architecture, supports InfiniBand EDR protocol, and delivers up to 100Gbps total bandwidth with nanosecond-level transmission latency, making it an ideal choice for building high-speed lossless networks. Housed in a compact QSFP28 form factor, the module offers low power consumption and high reliability, and supports digital diagnostic monitoring. It can be flexibly adapted to multimode or single‑mode fiber connections, making it widely suitable for critical applications such as accelerating AI training, scientific computing, and high-end storage interconnects.

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

Product Details

Form Factor	Part No.	Fiber Type	Data Rate	Wavelength	Distance	Connector	Case Temperature	Note
QSFP28	CLOTU4QSFPXZR4	SMF	100G InfiniBand	LAN WDM	100km	LC	Com.
QSFP28	CLOTU4QSFPZR4	SMF	100G InfiniBand	LAN WDM	80km	LC	Com.
QSFP28	CLOTU4QSFPER4	SMF	100G InfiniBand	LAN WDM	40km	LC	Com.
QSFP28	CLOTU4QSFPLR4	SMF	100G InfiniBand	LAN WDM	10km	LC	Com.
QSFP28	CL100GQSFPPSM4	SMF	100G InfiniBand	1310nm	2~10km	MPO	Com.
QSFP28	CLOTU4QSFPCW4	SMF	100G InfiniBand	1270~1330nm,4CH	2km	LC	Com.
QSFP28	CLOTU4QSFPSR4	MMF	100G InfiniBand	850nm	100m	MPO	Com.

100G InfiniBand QSFP28 optical transceiver module is specifically designed for InfiniBand EDR (Enhanced Data Rate, i.e., 100Gbps) high-performance computing networks, featuring low latency, high bandwidth, and high reliability.

Support & Service

Customized Needs

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

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Quality Assurance

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

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Customer Service

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Production Guarantee

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Performance Testing

C-LIGHT network tests the performance indicators of optical modules such as eye diagram, optical pow...

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Reliability Test

C-LIGHT Network uses professional testing equipment to conduct high and low temperature chamber test...

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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.