About the MX204-HWBASE-AC-FS
Choose the MX204-HWBASE-AC-FS for AC-powered sites that need a compact 1U router with 8 SFP+ ports and 4 QSFP+ ports. It has 400 Gbps of routing capacity and 32 GB of memory, and runs Junos OS.
It is built for two JPSU-650W-AC-AO supplies in a hot-swappable 1+1 pair, with a 280 W maximum AC draw. Feature rights to use must be ordered separately; see Support & Licensing above.
What’s included
- MX204 fixed AC system with 8 SFP+ and 4 QSFP+ ports and front-to-back airflow
- Standard Junos software
Sold separately
- Feature right-to-use licenses, listed in Support & Licensing above
- Advanced and Premium licenses and Juniper Care, listed in Support & Licensing above
Choosing a version
- MX204-HWBASE-AC-FS (this page): base system, AC power, front-to-back airflow
- MX204-HW-BASE: base system, front-to-back airflow
- MX204-HWBASE-DC-FS: base system, DC power, front-to-back airflow
Not sure which version you need? Call (984) 225-1600 or request a quote and we’ll check it against your rack and network.
MX204-HWBASE-AC-FS specifications
| Network ports | 8x SFP+, 4x QSFP+ |
|---|---|
| Routing capacity | 400 Gbps |
| Form factor | 1U, fixed chassis |
| Dimensions (H x W x D) | 1.72 x 17.6 x 18.5 in (4.4 x 44.7 x 47 cm) |
| Weight (as shipped) | 22.7 lb / 10.29 kg |
| Airflow | Front-to-back |
| Power supplies | 2x JPSU-650W-AC-AO (1+1 redundant, hot-swappable) |
| Max power draw (AC) | 280 W |
| Fans | 3x JNP-FAN-1RU (hot-swappable) |
| CPU | 1.6-GHz Intel 8 Core X86 |
| Memory | 32 GB |
| Storage | 200 (100+100) GB SSD |
| Operating temperature | 32° through 104° F / 0° through 40° C |
| Operating system | Junos OS |
Full specifications (48)
Network ports
| SFP+ Ports | 8 |
|---|---|
| QSFP+ Ports | 4 |
| QSFP+ Port Channelization | Yes |
Management and other ports
| Console Ports | 1 |
|---|---|
| Console Port Type | RJ-45 |
| Management Ports | 1 |
| Management Port Type | RJ-45 |
| USB Ports | 1 |
| USB Port Type | Type A |
| 10 MHz Port | Yes |
| BITS Port | Yes |
| PPS Port | Yes |
| PTP Port | Yes |
| ToD Port | Yes |
Chassis
| Chassis type | Fixed |
|---|---|
| Form Factor | 1U |
| Chassis Height | 1.72 in / 4.3688 cm |
| Chassis Width | 17.6 in / 44.7 cm |
| Chassis Depth | 18.5 in / 46.99 cm |
| Chassis depth (with power supplies and fans) | 20.43 in / 51.8922 cm |
| Weight (chassis only) | 17 lb / 7.71 kg |
| Weight (as shipped) | 22.7 lb / 10.29 kg |
| Weight (fully loaded) | 23.15 lb / 10.5 kg |
| Chassis Model Number | JNP204-CHAS |
Power
| Power supplies | 2 |
|---|---|
| Power supply redundancy | 1+1 |
| Power supply airflow | Front-to-back |
| Hot-swappable power supplies | Yes |
| AC power supply model | JPSU-650W-AC-AO |
| AC Max Power Consumption | 280 W |
| AC Average Power Consumption | 240 W |
Cooling
| Airflow Direction | Front-to-back |
|---|---|
| Fan module model | JNP-FAN-1RU |
| Fan modules | 3 |
| Hot-swappable fans | Yes |
Processor
| CPU | 1.6-GHz Intel 8 Core X86 |
|---|---|
| Memory (DRAM) | 32 GB |
Storage
| Internal Storage Size | 200 (100+100) GB |
|---|---|
| Internal Storage Type | SSD |
Switching and routing scale
| Routing Capacity | 400 Gbps |
|---|---|
| Power Efficiency | 0.9 W/Gbps |
Environmental
| Operating Temperature | 32° through 104° F / 0° through 40° C |
|---|---|
| Storage Temperature | -40° through 158° F / -40° through 70° C |
| Operating Altitude | 6000 ft (1824 m) |
| Humidity, operating (noncondensing) | 5% through 90% |
| Seismic Tolerance | Zone 4 |
| Maintenance Clearance | 30 in / 76.2 cm |
Software
| Operating system | Junos OS |
|---|
Common questions
What are the limits of the AC version’s power?
It is built for two JPSU-650W-AC-AO supplies in a 1+1 pair, with a maximum AC draw of 280 W.
Do I still need to buy feature rights?
Yes. The feature right to use must be ordered separately from the system.
Is there a DC version of this MX204?
Yes, the MX204-HWBASE-DC-FS has the same ports and airflow on DC supplies.








