Juniper MX204 Routers
The Juniper MX204 is a 1U router in the MX Series with 400 Gbps of throughput. It has 4 100GbE/40GbE QSFP28 ports, each of which can break out to 4 10GbE ports, and 8 10GbE SFP+ ports. It runs on 2 650 W power supplies, AC or DC, and cools front to back. Juniper gives June 15, 2027 as the end of sale date for the MX204-HW-BASE and MX204-HWBASE-AC-FS.
Sources: MX204 Universal Routing Platform Hardware Guide, Juniper End of Life Products and Milestones: M and MX Series Hardware
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Juniper MX204 facts from the maker
- Ports
- 4 x 100GbE/40GbE QSFP28 (each breaks out to 4 x 10GbE) + 8 x 10GbE SFP+ Source: MX204 Universal Routing Platform Hardware Guide
- Throughput
- 400 Gbps Source: MX204 Universal Routing Platform Hardware Guide
- Size
- 1U; 1.72 x 19 x 18.5 in Source: MX204 Universal Routing Platform Hardware Guide
- Routing Engine
- Built in (RE-S-1600x8) Source: MX204 Universal Routing Platform Hardware Guide
- Power supplies
- 2 x 650 W, 1+1 redundant: JPSU-650W-AC-AO (AC) or JPSU-650W-DC-AFO (DC) Sources: MX204 Universal Routing Platform Hardware Guide, MX204 Chassis
- Power draw
- 240 W typical, 280 W maximum, fully loaded Source: MX204 Universal Routing Platform Hardware Guide
- Airflow
- Front to back (AIR OUT) Source: MX204 Universal Routing Platform Hardware Guide
- End of sale
- June 15, 2027 (MX204-HW-BASE, MX204-HWBASE-AC-FS) Source: Juniper End of Life Products and Milestones: M and MX Series Hardware
Updated
Guides on the Juniper MX204
Juniper MX204 Routers in the catalog

MX204-HW-BASE Juniper Router, Front-to-Back, Used, 8x 10GbE SFP+ and 4x 40/100GbE QSFP28
In stock

MX204-IR Juniper Router, Front-to-Back, Used, 8x 10GbE SFP+ and 4x 40/100GbE QSFP28
In stock

MX204-R Juniper Router, Front-to-Back, New Open Box, 8x 10GbE SFP+ and 4x 10/40/100GbE QSFP28
In stock

MX204-HWBASE-AC-FS Juniper Router, New Open Box, 8x 10GbE SFP+ and 4x 40/100GbE QSFP28
In stock
Juniper MX204 part numbers
| Part number | Ports | Airflow | Power | Condition | End of sale | Price | Stock |
|---|---|---|---|---|---|---|---|
| MX204-HW-BASE | 8 × 10GbE | Front-to-back (AFO) | 2 (JPSU-650W-AC-AO AC or JPSU-650W-DC-AFO DC, 650 W) | Used, tested & guaranteed | $8,905 | In stock | |
| MX204-IR | 8 × 10GbE | Front-to-back (AFO) | 2 (JPSU-650W-AC-AO AC or JPSU-650W-DC-AFO DC, 650 W) | Used, tested & guaranteed | $19,685 | In stock | |
| MX204-R | 8 × 10GbE | Front-to-back | Two power supply modules, 1+1 redundancy (AC or DC variants) | New, open box | $9,895 | In stock | |
| MX204-HWBASE-AC-FS | 8 × 10GbE | Front-to-back (AFO) | 2 (JPSU-650W-AC-AO AC or JPSU-650W-DC-AFO DC, 650 W) | New, open box | $8,495 | In stock |
End of sale and support
| Model | Announced | End of sale | End of support | Notice |
|---|---|---|---|---|
| Juniper MX204 (MX204-HW-BASE) | Juniper notice | |||
| Juniper MX204-IR / MX204-R | Juniper notice |
Juniper end-of-life notice TSB107750. End of engineering is 2030-06-15.
Juniper TSB17959 (SKU transformation to a formal end of life for the MX204-IR and MX204-R). End of engineering is 2030-06-15.
Questions about the Juniper MX204 family
- How many ports does the MX204 have?
- 4 QSFP28 ports at 100GbE or 40GbE, each of which can break out to 4 10GbE ports, and 8 10GbE SFP+ ports.Source: MX204 Universal Routing Platform Hardware Guide
- When is the MX204 end of sale?
- Juniper gives June 15, 2027 as the end of sale date for the MX204-HW-BASE and MX204-HWBASE-AC-FS. The first MX204 part number was closed by Juniper's SKU transformation, and the hardware continues under the new part numbers.Source: Juniper End of Life Products and Milestones: M and MX Series Hardware
- What power supplies does the MX204 use?
- Two 650 W supplies in 1+1 redundancy: the JPSU-650W-AC-AO for AC or the JPSU-650W-DC-AFO for DC.Sources: MX204 Universal Routing Platform Hardware Guide, MX204 Chassis
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