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by Juniper
Product Line: Juniper EX3400-24T
Product Type: Switch
Original price $0.00 - Original price $1,673.00
Original price
$0.00 - $1,673.00
Current price $1,673.00
Title: Used

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Product Description

The EX3400-24T features 24 10/100/1000BASE-T ports, along with 4 SFP+ and 2 QSFP+ uplink ports, supporting up to 160 Gbps backplane capacity with QSFP+ ports. It is equipped with a 150W AC power supply, consuming a maximum of 100W, and has dimensions of 17.36 x 1.72 x 15.19 inches with the power supply and front module installed. The system is designed for efficient cooling with front-to-back airflow and operates within a temperature range of 32° F to 113° F, supporting an operating altitude of up to 10,000 ft.

Key Feature for the EX3400-24T

  • What is the total number of 10/100/1000BASE-T ports available on the EX3400?
    There are 24 10/100/1000BASE-T ports available on the EX3400.
  • Describe the uplink capabilities of the EX3400.
    The EX3400 features 10GbE/GbE SFP+/SFP ports and 2 40GbE QSFP+ ports for uplink capabilities.
  • What is the airflow direction for the EX3400?
    The airflow direction for the EX3400 is front-to-back.
  • How much power does the EX3400 consume?
    The maximum system power consumption of the EX3400 is 100W.
  • What are the dimensions of the EX3400 with the power supply installed?
    With the power supply installed, the dimensions of the EX3400 are 17.36 x 1.72 x 15.05 in (44.1 x 4.37 x 38.24 cm).
  • What is the backplane capacity of the EX3400 using QSFP+ ports?
    Using QSFP+ ports, the backplane capacity of the EX3400 is 160 Gbps.
  • How much DRAM is available on the EX3400?
    The EX3400 is equipped with 2 GB of DRAM with ECC.
  • What is the operating temperature range for the EX3400?
    The operating temperature range for the EX3400 is from 32° F to 113° F.
  • What are the storage temperature limits for the EX3400?
    The storage temperature limits for the EX3400 are from -40° F to 158° F.
  • What is the maximum operating altitude for the EX3400?
    The maximum operating altitude for the EX3400 is up to 10,000 ft (3,049 m).

Product Review

The Juniper EX3400-24T offers a solid balance of port density and performance with its 24 10/100/1000BASE-T ports complemented by four SFP+ and two QSFP+ uplink ports, catering to diverse networking needs. However, its power consumption at 100W might be a concern for energy-conscious deployments, despite its efficient front-to-back airflow design aiding in cooling. Additionally, the switch's backplane capacity of up to 160 Gbps with QSFP+ ports ensures high-speed connectivity options for demanding environments, but the 2 GB of DRAM could limit its performance in highly complex configurations.


The Juniper EX3400-24T is a network switch designed for high-performance computing environments, offering a blend of efficiency and scalability. This device comes equipped with 24 10/100/1000BASE-T ports, alongside advanced uplink options that include four SFP+ and two QSFP+ ports, catering to a wide range of networking demands. At the core of its design, the EX3400-24T features a backplane with a capacity of 160 Gbps when using QSFP+ ports or 80 Gbps with SFP+ ports, enabling high-speed data transfer and efficient connectivity across networks. This is complemented by a Virtual Chassis interconnect to link multiple units, enhancing the system's scalability and flexibility. The device is powered by an AC power supply with a maximum system power consumption of 100 watts, and a power supply rating of 150 watts, ensuring energy-efficient operation. It has been designed with front-to-back airflow, promoting optimal cooling and reliable performance even under heavy loads. In terms of physical specifications, the base unit measures 17.36 x 1.72 x 13.78 inches, expanding to 17.36 x 1.72 x 15.19 inches with the power supply and front module installed, making it a compact solution for any rack or networking cabinet. The system weight stands at 1.43 lb, with an additional 0.16 lb for the fan module, highlighting the device's lightweight and manageable design. Key hardware specifications include: -
  • DRAM of 2 GB with ECC, ensuring data integrity and reliable operation.
  • A packet-switching capacity of 144 Gbps (unidirectional)/288 Gbps (bidirectional), supporting high-volume traffic without bottlenecks.
  • A GbE Port Density per System of 30, combining 24 host ports with the uplink capabilities to meet diverse networking requirements.
The EX3400-24T operates efficiently within a temperature range of 32° F to 113° F and can be stored in temperatures from -40° F to 158° F. Its operating altitude reaches up to 10,000 ft, with a non-operating altitude of up to 16,000 ft, ensuring reliability across various environmental conditions. The device also maintains operational integrity with a relative humidity operating range of 10% to 85% (non-condensing) and a non-operating range of 0% to 95% (noncondensing), safeguarding against environmental variances. In summary, the Juniper EX3400-24T is a versatile and efficient network switch that offers comprehensive connectivity options, reliable performance, and a scalable design to meet the demands of modern high-performance computing environments. Its compact size, combined with its efficient power usage and robust packet-switching capabilities, make it an ideal solution for businesses looking to optimize their network infrastructure.


Part Number Juniper EX3400-24T
Manufacturer Juniper
Model Description EX3400 24x10/100/1000BASE-T ports, 4xSFP+ and 2xQSFP+ uplinks
10/100/1000BASE-T Ports Quantity 24
Uplink Interfaces 4x10GbE/GbE SFP+/SFP and 2x40GbE QSFP+
Cooling Direction Front-to-back
Power Supply Type AC
Maximum Power Use 100W
Power Unit Capacity 150W
Dimensions (WxHxD) - Basic Device 17.36 x 1.72 x 13.78 inches (44.1 x 4.37 x 35 cm)
Dimensions (WxHxD) - With Power Unit 17.36 x 1.72 x 15.05 inches (44.1 x 4.37 x 38.24 cm)
Dimensions (WxHxD) - Full Setup 17.36 x 1.72 x 15.19 inches (44.1 x 4.37 x 38.58 cm)
Backplane Speed 160 Gbps (QSFP+ ports), 80 Gbps (SFP+ ports)
Virtual Chassis Linking Supported
Total Weight 1.43 lb (0.65 kg)
Fan Component Weight 0.16 lb (0.07 kg)
Maximum GbE Ports 30 ports (24 base + 4x1/10GbE + 2x40GbE uplinks)
Memory (DRAM) 2 GB with ECC
Switching Capacity 144 Gbps (single direction)/288 Gbps (bi-directional)
Operating Temperature Range 32° to 113° F
Storage Temperature Range -40° to 158° F
Maximum Operating Altitude 10,000 ft (3,049 m)
Maximum Non-operating Altitude 16,000 ft (4,877 m)
Operating Humidity Range 10% to 85% (non-condensing)
Non-operating Humidity Range 0% to 95% (non-condensing)

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