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by Juniper
Product Line: Juniper MX Series Series
Product Type: Router
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Product Description

The MX104-AC Juniper features 4 MIC slots and 4 built-in 10GE XFP ports, supporting a system throughput of 160 Gbps with a system capacity of 80 Gbps. It is designed for efficiency with an AC power supply, a typical power draw of 325 W, and operates within a temperature range of -40°F to 149°F. Accommodating up to 12 systems per rack, its dimensions are 17.22 x 9.46 x 6.09 in, and it has a fully loaded weight of 32 lb/14.5 kg.

FAQs for the MX104-AC

  • What is the maximum 10GbE capacity of the router?
  • The router supports up to 8 10GbE connections.

  • How many MIC slots are available in this model?
  • There are 4 MIC slots available for expansion.

  • What is the system throughput capability?
  • The system can handle up to 160 Gbps of throughput.

  • Can the built-in 10GE XFP ports be activated immediately upon setup?
  • Activation of the 4x10GE XFP built-in ports requires a separate license.

  • What are the power requirements for this device?
  • The device requires 100 to 240 V AC with a typical power draw of 325 W.

  • Is there a specific mounting option for this networking device?
  • Mounting can be done at the front or center, depending on the setup requirements.

  • What are the operating temperature ranges for this equipment?
  • The operating temperature ranges from -40°F to 149°F.

  • How much default memory is included with this model?
  • It comes with 4 MB boot flash, 8 GB of NAND Flash, and 4 GB of DDR3 RAM.

  • What is the maximum operating altitude for the device?
  • The maximum operating altitude is 6,000 ft (1,900 m).

  • How does the system capacity compare to the per slot capacity?
  • The system capacity is 80 Gbps, with each slot capable of supporting up to 20 Gbps.

Product Review

The Juniper MX104-AC offers notable flexibility in deployment with its 4 MIC slots and built-in 4x10GE XFP ports, although activating these ports requires an additional license, presenting a potential cost implication. Its system throughput of 160 Gbps and capacity to handle up to 80 1GbE or 8 10GbE connections make it suitable for medium-scale networking needs, yet the system's maximum capacity is limited to 80 Gbps, which might restrict performance in high-demand environments. The unit's compact design, allowing for 12 systems per rack, alongside its operational temperature range and power efficiency, is advantageous for space-conscious setups and varying operational conditions.


The Juniper MX104-AC is a versatile router designed for agile, high-performance networks. It features four Modular Interface Card (MIC) slots, enhancing its adaptability to various networking needs. The device also comes equipped with four built-in 10GbE XFP ports, although activating these ports requires a license. This makes the MX104-AC a scalable solution for growing network demands. At its core, the MX104-AC houses both a Packet Forwarding Engine and a Routing Engine. These components work together to ensure efficient data processing and routing, supporting the system's total throughput of 160 Gbps. Despite its compact size, the MX104-AC does not compromise on performance, offering a per slot capacity of 20 Gbps and a system capacity of 80 Gbps. This capacity allows for a maximum configuration of 80 1GbE ports or 8 10GbE ports, depending on the network's requirements. The router's design is optimized for space-saving, occupying only 3.5 rack units. This compact footprint allows for up to 12 systems to be mounted per standard network equipment rack, maximizing space efficiency in data centers or networking closets. The device supports both front and center mounting, providing flexibility for various installation environments. In terms of physical dimensions, the MX104-AC measures 17.22 inches in width, 9.46 inches in height, and 6.09 inches in depth (43.7 x 24 x 15.47 cm). When fully equipped, it weighs 32 pounds (14.5 kg), making it manageable for installation and maintenance tasks. The hardware specifications include a default memory configuration of 4 MB boot flash, 8 GB of NAND Flash, and 4 GB of DDR3 RAM, ensuring reliable performance and data processing capabilities. The MX104-AC is designed to operate reliably in a wide range of environmental conditions. It can function in temperatures ranging from -40°F to 149°F and at altitudes up to 6,000 feet (1,900 m). Its operating humidity range is 5% to 90%, accommodating various climates and indoor conditions. This resilience ensures consistent operation and longevity in diverse deployment scenarios. Key hardware components of the MX104-AC include power supplies, routing engines (REs), and fans. The device is powered by an AC power supply, with an input range of 100 to 240 V AC. It has a typical power draw of 325 W, demonstrating energy efficiency for its performance class. The included fan tray with a filter ensures optimal cooling and dust protection, maintaining the integrity of the internal components.
  • AC Power Supply: Ensures flexible and efficient power management.
  • Fan Tray with Filter: Maintains optimal operating temperatures and protects against dust.
  • Default Memory Configuration: Provides a solid foundation for high-performance data processing.
In conclusion, the Juniper MX104-AC offers a powerful, scalable, and efficient solution for modern network infrastructures. Its combination of performance, adaptability, and reliability makes it a valuable asset for any organization looking to maintain a high-performance network.


Item Number MX104-AC
Producer Juniper
MIC Slot Count 4
Built-in Ports 4 x 10GbE XFP (Activation requires license)
Power Supply Type AC
Cooling Mechanism Fan Module with Dust Filter
Processing Units Packet Forwarding and Routing Engines
Height in Rack Units 3.5
Maximum Units per Rack 12
Port Configuration 4 fixed 10GbE and 4 MIC slots
Bandwidth per Slot 20 Gbps
Total System Throughput 160 Gbps
1GbE Port Max 80
10GbE Port Max 8
Overall Bandwidth 80 Gbps
Installation Options Front or Middle of Rack
Size (W x H x D) 17.22 x 9.46 x 6.09 inches (43.7 x 24 x 15.47 cm)
Max Weight 32 pounds (14.5 kg)
Memory Configuration 4 MB boot flash; 8 GB NAND Flash; 4 GB DDR3 RAM
Key Components Power supplies, Routing Engines, Cooling Fans
AC Power Range 100 to 240 V AC
Power Consumption (Typical) 325 W
Temperature Range (Operating) -40°F to 149°F
Humidity (Operating) 5% to 90%
Max Operational Altitude 6,000 feet (1,900 meters)

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