400G & 800G

Network scalability that just keeps going

Network architectures have shifted, and it is more critical than ever for cloud operators, service providers, and to prepare their networks for the unexpected. The tenfold increase in application and service data centers are fueling the ever-increasing demand for improved performance and scalable technology.

Juniper's 400G and 800G routing and switching portfolio offers the industry’s most comprehensive and high-performing platforms designed to improve customer experiences. Choose from Juniper’s broad 400G and 800G portfolio including PTX Series Packet Transport Routers, MX Series Universal Routing Platforms, ACX Series Universal Metro Routers, and QFX Series Switches. These solutions increase performance and sustainable efficiencies throughout your infrastructure while keeping your network secure, versatile, and cost optimized for the experience-first era.

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Juniper PTX 800GE (and double density 400GE) routing solutions

Setting a new standard for sustainability, performance, and automation: Juniper PTX 800GE (and double density 400GE) routing solutions for the AI era.


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How Juniper can help

Juniper offers a complete portfolio of 400G and 800G modular and fixed chassis routers, and switches. They’ve been optimized for scale-up and scale-out use cases across WANs and data center networks.

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Performance at scale

Juniper’s custom silicon offers telemetry at hyperscale to help you scale higher and converge faster. Featuring 400G and 800G inline MACsec, filtering flexibility, and link utilization, our 400G and 800G solutions provide a solid foundation for reliable network architectures.

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Built to last

Juniper 400G and 800G solutions were built on generations of silicon advancements and designed to scale with your network. We believe in quality, reliable products capable of growing with your needs.

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Agility for the unknown

Reach new heights of consumption simplicity with flexible licensing options to pay only for the bandwidth and features you need. 400G and 800G upgrade cycles have never been so smooth.

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Value based

Choose from new price-performance options on merchant silicon in our 400G and 800G switches and routers to reach new benchmarks of performance and functionality.

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Pluggable transceiver technology

Experience high-density, high-capacity access and aggregation routers supporting 400G and 800G cloud-scale port density with ZR/ZR+ pluggable coherent optics transceiver technology.

Related Solutions

Cloud Routing

At the heart of cloud networking lies cloud routing, a key building block for reliable, secure, and scalable cloud-era infrastructure buildouts.




Segment Routing

Our source-based routing solution provides greater control, agility, and application awareness to simplify traffic engineering and management across network domains.

Data Center Networks

Simplify operations and assure reliability with the modern, automated data center. Juniper helps you automate and continuously validate the entire network lifecycle to ease design, deployment, and operations.

Converged Optical Routing Architecture (CORA)

CORA is an extensible, sustainable, automated solution for IP-optical convergence. It delivers the essential building blocks operators need to deploy IP-over-DWDM transformative strategies for 400G networking and beyond in metro, edge, and core networks.

Resource Center

Executive Interview: Juniper Networks’ PTX 800GE (and Double Density 400GE) Routing Solutions (14:23)

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