juniper MX Series MX204
The Juniper MX204 is an ultra-compact 1U fixed-configuration universal edge router delivering 400 Gbps of line-rate throughput powered by Juniper Trio 4 ASIC silicon. Featuring four 100GbE QSFP28 ports and eight 10GbE SFP+ ports in a 9.5-inch shallow-depth chassis, the MX204 combines carrier-grade BGP routing, MPLS L2/L3VPN services, and full internet route table scale with ultra-low power consumption. Secondary market demand for the MX204 is extraordinarily intense among internet exchange participants, regional ISPs, and content delivery networks.
Specifications
| Brand | juniper |
|---|---|
| Family | MX Series |
| Form factor | 1U fixed router |
| Released | Oct 2017 |
| Ports | 4x 100GbE QSFP28 (or 40GbE QSFP+) and 8x 10GbE SFP+ ports |
| Switching capacity | 400 Gbps full-duplex wire-speed routing capacity |
| Silicon | Juniper Trio 4 programmable packet forwarding engine |
| Form factor | 1U shallow-depth (9.5-inch depth) rack enclosure |
| Features | Full internet BGP routing table scale, MPLS, Segment Routing, and EVPN support |
Generations
- Previous generation: juniper MX Series MX104
- Next generation: juniper MX Series MX304
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 MX204.
- Compatibility Juniper Hardware Compatibility Tool (optics and modules)
- Specifications Juniper TechLibrary
- Support Juniper Support
Equivalent models from other brands
FAQ
Can the 100GbE QSFP28 ports on the MX204 break out to 4x 10GbE?
Yes, breakout cables support 4x 10GbE or 4x 25GbE configurations on all four 100G ports.
What makes the MX204 so popular in secondary markets?
Its 400 Gbps throughput, shallow 9.5-inch depth, low power draw, and full carrier-grade Trio routing feature set.
Buying or selling MX204?
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 MX204 Product Overview, checked 2026-10-27
- Juniper MX204 Datasheet, checked 2026-10-27