juniper MX Series MX304
The Juniper MX304 is a 2U modular universal routing platform powered by custom Juniper Trio 6 ASIC silicon, delivering 4.8 Tbps of full-duplex forwarding capacity. Built with two modular line card bays, dual hot-swappable Routing Engines, and redundant power and cooling, the MX304 provides carrier-class high availability, MACsec encryption, and comprehensive 400GbE port density. It sets the modern benchmark for compact metro edge routing and high-bandwidth datacenter interconnect.
Specifications
| Brand | juniper |
|---|---|
| Family | MX Series |
| Form factor | 2U modular router |
| Released | Mar 2022 |
| Throughput | 4.8 Tbps full-duplex system forwarding capacity |
| Form factor | 2U compact modular chassis with front-to-back airflow |
| Silicon | Juniper Trio 6 7nm programmable packet processing ASICs |
| Line cards | 2x modular line card bays supporting 100GbE and 400GbE interfaces |
| Security | Hardware-accelerated line-rate MACsec AES-256 link encryption |
Generations
- Previous generation: juniper MX Series MX204
Check compatibility with Juniper
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Juniper has tested with the juniper MX Series MX304.
- Compatibility Juniper Hardware Compatibility Tool (optics and modules)
- Specifications Juniper TechLibrary
- Support Juniper Support
Equivalent models from other brands
FAQ
What is the maximum 400GbE port count in an MX304?
Equipped with two LMIC cards, the MX304 supports up to 12 wire-speed 400GbE QSFP-DD ports.
Does the MX304 support redundant Routing Engines?
Yes, unlike the 1U fixed MX204, the MX304 provides dual field-replaceable redundant Routing Engines.
Buying or selling MX304?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Juniper MX304 Product Overview, checked 2026-10-27
- Juniper MX304 Datasheet, checked 2026-10-27