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Optics and transceivers

Find the optical transceiver to fit your network

More speed. Less risk. Unwavering availability.


Reliability and performance for AI data center connections

Cisco optics are foundational to AI data centers. They deliver performance, efficiency, and reliability for AI workloads that maximize uptime and return on AI investments.

Silicon photonics foundation

Gain increased performance, efficiency, and reliability through the integration of advanced photonics and digital signal processing (DSP) technologies combined with robust semiconductor manufacturing and automation processes.

Integrated designs for better efficiency

Cutting-edge optics, combined with Cisco Silicon One capabilities, address escalating power consumption in scale-out and scale-across AI data center networks.


Superior quality and reliability

Full-stack ownership of ASICs, systems, optics, and networking enables robust testing for demanding AI parameters. This enhances optics design and reliability to maximize uptime for AI data center connections.

Availability you can count on

Get access to global supply chain diversity, fulfillment, and support that reduce the risk of disruption, enabling rapid deployments for the most demanding AI data centers.

Find the optical transceiver to fit your network


1.6T transceivers

Deploy OSFP 1.6T and 2x800G modules for AI data center connections with riding or integrated heat sinks.

800G transceivers

Get high-speed 800G modules for QSFP-DD or OSFP ports for AI and data center applications.

400G transceivers

Connect 400G ports with backward-compatible QSFP-DD modules and connect to AI servers with QSFP112 modules.

200G transceivers

Deploy high-density transceiver modules for data center AI/ML applications and high-performance computing networks.

QSFP-DD and OSFP 800G ZR/ZR+

Transmit 800G wavelengths up to 120 km with coherent ZR, and over 1000 km with OpenZR+.


QSFP-DD 400G Ultra Long Haul (ULH)

Extend Routed Optical Networking use cases to regional and ultra-long-haul DWDM applications.

QSFP-DD 400G ZR+ High-Tx Power

Extend reach and compatibility in high insertion loss systems with better optical transmit power.

QSFP-DD 400G ZR/ZR+

Transmit 400G wavelengths up to 120 km with coherent ZR and enable long-haul transmission with OpenZR+.



High-density MMF and SMF patch panel

Simplify optical connectivity with patch panel and cable assemblies for 4x10 to 400G breakout.


Assurance Sensor SFP

Simplify the deployment of service assurance with granular, real-time performance visibility.

10G Routed PON ONTs

Cost-efficiently deliver triple-play services to subscribers in fiber-to-the-premises applications.

XGS PON OLT SFP+

Simplify the network by replacing an OLT chassis with a router-deployed pluggable module.


Migrate data center links to 400G with existing duplex multimode fiber

Cisco 400G BiDi innovations enable the reuse of existing duplex multimode fiber infrastructure. Increase capacity in your data center without adding expensive parallel fiber infrastructure and MPO connectors. Gain deployment flexibility in data center leaf-spine and top-of-rack architectures.

Save on total cost of ownership for DCI, metro, and long-haul applications with Cisco routed optical networking

Explore the economic benefits of routed optical networks across point-to-point dark fiber and amplified DWDM links.

Cisco AI solutions

Power seamless workflows with AI agents for real-time, cross-domain security execution.