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by Juniper
Product Line: Juniper PTX Series
Product Type: Router
Original price $0.00 - Original price $33,425.00
Original price
$0.00 - $33,425.00
Current price $33,425.00
Title: Used

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Product Description

The PTX1K-72Q-AC Juniper delivers a system throughput of 3 Tbps and a forwarding capacity of up to 2 Bpps, supported by an Intel Quad Core Ivy Bridge 2.5 GHz CPU and 32 Gb SDRAM. It offers flexible port configurations with a maximum density of 288 10GbE ports (SFP+), 72 40GbE ports (QSFP+), and 24 100GbE ports (QSFP28), all within a compact 2 U form factor measuring 17.4 x 3.46 x 31 in and weighing 68 lb. The unit is equipped with four 1600 W AC power supplies, three hot-swappable redundant fans for cooling, and achieves a low power efficiency rating of 0.4 watts/Gbps, highlighting its efficiency and reliability in high-demand networking environments.

Key Feature for the PTX1K-72Q-AC

  • What is the maximum 10GbE port density available?
    The maximum 10GbE port density available is 288.
  • How many 40GbE QSFP+ ports does the device have?
    The device has 72 40GbE QSFP+ ports.
  • What are the power requirements for the networking hardware?
    The hardware requires 4 x 1600 W AC power supplies. It has a maximum power draw of 1425 W and a typical power draw of 1050 W.
  • Can you detail the cooling system of the QSFP28/72-port 40GbE QSFP+/288-port 10GbE SFP+?
    The system uses 3 hot-swappable redundant fans for cooling, operating in a front-to-back direction.
  • What is the system's throughput and forwarding capacity?
    The system throughput is 3 Tbps, with a forwarding capacity of up to 2 Bpps.
  • What CPU and memory specifications does the device feature?
    It is equipped with an Intel Quad Core Ivy Bridge 2.5 GHz CPU and 32 Gb SDRAM, alongside 64 GBx2 SSD for storage.
  • What are the physical dimensions and weight of the networking hardware?
    The dimensions are 17.4 x 3.46 x 31 inches (44.2 x 8.8 x 78.7 cm), and it weighs 68 lb (31 kg).
  • What is the operating and storage temperature range for the device?
    The operating temperature range is 32° to 115° F (0° to 46° C), and the storage temperature range is -40° to 158° F (-40° to 70° C).
  • Describe the device's power efficiency and packet buffer size.
    The power efficiency is 0.4 watts/Gbps, and it has a 24 Gb packet buffer.
  • What latency does the networking hardware operate at?
    The latency is 2.5 μs within the Packet Forwarding Engine (PFE) and 5 μs between PFEs.

Product Review

The Juniper PTX1K-72Q-AC stands out for its high port density, accommodating 288 10GbE, 72 40GbE, and 24 100GbE connections, making it highly versatile for diverse networking needs. Its system throughput of 3 Tbps and forwarding capacity of up to 2 Bpps ensure efficient data handling for high-demand environments. However, its maximum power consumption of 1425 W and typical power draw of 1050 W might pose challenges for operations prioritizing energy efficiency.


The Juniper PTX1K-72Q-AC is a high-performance networking platform designed to meet the demands of modern data centers and high-end enterprise networks. This device is engineered to provide exceptional throughput and forwarding capacity, making it an ideal choice for environments requiring high bandwidth and efficient data processing capabilities. At the core of the Juniper PTX1K-72Q-AC are its versatile connectivity options, which include 24 ports of 100GbE QSFP28, 72 ports of 40GbE QSFP+, and 288 ports of 10GbE SFP+. This range of connectivity options allows for flexible network configurations and the ability to adjust to varying bandwidth requirements. The system supports a total throughput of 3 terabits per second (Tbps) and has a forwarding capacity of up to 2 billion packets per second (Bpps), ensuring that it can handle heavy traffic loads with ease. The device is powered by an Intel Quad Core Ivy Bridge 2.5 GHz CPU, accompanied by 32 Gb of SDRAM and dual 64 GB SSDs for storage. This powerful processing hardware ensures smooth operation and efficient handling of network traffic. The PTX1K-72Q-AC also features a packet buffer size of 24 Gb, which aids in managing traffic spikes and ensuring reliable data transmission. Power efficiency is a key aspect of the Juniper PTX1K-72Q-AC, with a maximum power draw of 1425 watts (AC, DC) and a typical power draw of 1050 watts (AC, DC). The device's power efficiency is rated at 0.4 watts per Gbps, highlighting its ability to deliver high performance while maintaining energy efficiency. The system includes four 1600 watt AC power supplies, four power cables, and three hot-swappable redundant fan trays, ensuring reliable operation and ease of maintenance. Latency is another critical performance metric, with the Juniper PTX1K-72Q-AC boasting a latency of 2.5 microseconds within the Packet Forwarding Engine (PFE), and 5 microseconds between PFEs. This low latency ensures that the device can support time-sensitive applications without significant delay. The device's physical dimensions are 17.4 x 3.46 x 31 inches (44.2 x 8.8 x 78.7 cm), and it occupies 2 rack units (U) in a standard 19-inch rack, making it compact and space-efficient. It weighs 68 lb (31 kg), allowing for relatively easy installation and handling.
  • Maximum 10GbE port density: 288
  • Maximum 40GbE port density: 72
  • Maximum 100GbE port density: 24
The Juniper PTX1K-72Q-AC operates within a temperature range of 32° to 115° F (0° to 46° C) and can be stored in temperatures ranging from -40° to 158° F (-40° to 70° C). It is designed to operate in environments with relative humidity ranging from 5 to 90% (non-condensing), ensuring reliability across various operating conditions. In summary, the Juniper PTX1K-72Q-AC is a versatile and efficient networking platform that offers a wide range of connectivity options, high throughput, and low latency, making it suitable for demanding network environments. Its compact size, power efficiency, and robust processing capabilities make it a valuable asset for data centers and high-end enterprise networks.


Item Number and Maker Juniper PTX1K-72Q-AC
Ports 24x100 Gigabit Ethernet QSFP28, 72x40 Gigabit Ethernet QSFP+, 288x10 Gigabit Ethernet SFP+
Included Accessories 4 AC 1600W power units, 4 power lines, 3 air cooling units
Total Network Throughput 3 Terabits per second
Routing Capability Up to 2 Billion packets per second
Highest 10GbE Interfaces 288
Highest 40GbE Interfaces 72
Highest 100GbE Interfaces 24
Size (Width x Height x Depth) 17.4 x 3.46 x 31 inches (44.2 x 8.8 x 78.7 cm)
Form Factor 2 Rack Units
Mass 68 pounds (31 kilograms)
Processor Intel Quad-Core Ivy Bridge, 2.5GHz
Memory 32GB SDRAM
Storage 2x64GB SSD
Energy Consumption Maximum 1425 Watts (AC/DC), 4862 BTU/hr
Energy Consumption Typical 1050 Watts (AC/DC), 3583 BTU/hr
Energy Supplies Four 1600W power supplies
Cooling System Three exchangeable redundant fans, front-to-back airflow
Packet Memory 24GB
Network Latency 2.5 microseconds within PFE, 5 microseconds between PFEs
Energy Efficiency 0.4 Watts per Gbps
Operational Heat Range 32° to 115° F (0° to 46° C)
Storage Heat Range -40° to 158° F (-40° to 70° C)
Humidity Range for Operation 5% to 90%, non-condensing

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