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by Juniper
Product Line: Juniper QFX5100-24Q-3AFO
Product Type: Switch
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Original price $0.00 - Original price $1,133.00
Original price
$0.00 - $1,133.00
Current price $0.00
Title: Surplus

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Product Description

The QFX5100-24Q-3AFO is equipped with 24 QSFP+ ports, 2 expansion slots, and dual SFP/RJ-45 management ports, supporting a switching capacity of 2.56 Tbps and a forwarding rate of 1.44 Bpps. It features redundant AC power supplies, redundant fans, and front-to-back airflow for optimal cooling, alongside a power consumption of 161 W. Designed for reliability, it also includes 5x QFX5100-FAN-AFI fan modules, supports 10GbE SFP+ and 40GbE QSFP+ configurations, and offers cut-through and store-and-forward switching modes.

Key Feature for the QFX5100-24Q-3AFO

  • What is the switching capacity of the QFX5100?
    The QFX5100 has a switching capacity of 2.56 Tbps.
  • How many 40GbE QSFP+ ports does this device support?
    It supports 24 QSFP+ ports and can expand up to 32 with 2 x QFX-EM-4Q modules.
  • What are the power requirements for the QFX5100?
    The QFX5100 requires redundant AC power supplies and consumes approximately 161 W.
  • Can the QFX5100 be mounted in a 19-in server rack?
    Yes, it is designed to fit in a 19-inch server rack.
  • How does the QFX5100 handle cooling?
    It utilizes redundant fans and supports front-to-back airflow for efficient cooling.
  • What type of management ports are available on this device?
    It includes 1x RJ-45 Serial Console, 1x RJ-45 Gigabit Management, 1x Gigabit SFP Management, and 1x USB port.
  • What is the forwarding rate of the QFX5100?
    The device offers a forwarding rate of 1.44 Bpps.
  • Are expansion module slots available on the QFX5100?
    Yes, it has 2 expansion module slots for additional connectivity options.
  • What is the maximum operational temperature for the QFX5100?
    The maximum operational temperature is 104° F (40° C).
  • How many link aggregation groups (LAGs) can be configured on the QFX5100?
    Up to 128 LAGs can be configured on this device.

Product Review

The Juniper QFX5100-24Q-3AFO switch offers a high switching capacity of 2.56 Tbps and a forwarding rate of 1.44 Bpps, catering to demanding data center environments. However, its operational temperature range is limited to 0° to 40° C, potentially restricting its deployment in environments with extreme temperatures. Additionally, the switch features redundant fans and AC power supplies, ensuring high availability and reliability for critical network infrastructure.


The Juniper QFX5100-24Q-3AFO is a high-performance, high-density switch designed for top-of-rack, end-of-row, and data center deployment. This switch offers 24 QSFP+ ports and includes two expansion module slots, enhancing its flexibility and scalability to meet various networking demands. It supports dual SFP/RJ-45 management ports and comes equipped with redundant fans and AC power supplies to ensure continuous operation and resilience in demanding data center environments. This model is engineered to deliver exceptional performance with a switching capacity of 2.56 Tbps and a forwarding rate of 1.44 Bpps, ensuring rapid data transfer and efficient handling of high volumes of network traffic. The switch's design prioritizes energy efficiency, with a power consumption of 161 W, making it an environmentally friendly option for modern data centers. - Management Ports include 1x RJ-45 Serial Console, 1x RJ-45 Gigabit Management, 1x Gigabit SFP Management, and 1x USB for versatile connectivity and management options. - The switch supports up to 96/104 10GbE SFP+ ports with a breakout cable and 24/32 40GbE QSFP+ ports with the addition of 2 x QFX-EM-4Q expansion modules, offering exceptional flexibility in configuring high-density networking environments. - It features front-to-back airflow, ensuring optimal cooling and reliable operation in various installation scenarios, including 19-inch server racks. Weighing 21.6 lb (9.8 kg) and measuring 1.72 x 17.36 x 20.48 inches (4.37 x 44.09 x 52.02 cm), the QFX5100-24Q-3AFO is designed for easy integration into existing data center infrastructure. The switch operates efficiently within a temperature range of 32° to 104° F (0° to 40° C) and can be stored in temperatures ranging from -40° to 158° F (-40° to 70° C). The device supports both cut-through and store-and-forward switching modes, catering to different network requirements for latency and performance. With a capacity for 128 link aggregation groups (LAGs), it allows for extensive bandwidth consolidation and redundancy, enhancing network reliability and performance. The QFX5100-24Q-3AFO supports jumbo frames up to 9,216 bytes, beneficial for optimizing network performance by reducing the number of frames transmitted across the network. The inclusion of five QFX5100-FAN-AFI fan modules ensures the system remains cool, contributing to its reliability and longevity. Designed to operate in environments with up to 2000 meters (610 m) altitude, the switch maintains its performance in various operational conditions. It operates reliably in a wide range of humidity levels, from 5% to 90% (noncondensing) during operation and 0% to 95% (noncondensing) when not in operation, underscoring its suitability for deployment in diverse global data centers. In summary, the Juniper QFX5100-24Q-3AFO is a versatile, high-capacity switch that offers advanced features for efficient and reliable networking. Its comprehensive management ports, expansion options, and robust environmental tolerances make it a compelling choice for organizations looking to upgrade their data center infrastructure.


Item NumberJuniper QFX5100-24Q-3AFO
Port Configuration24 QSFP+ interfaces, 2 expansion module slots, dual management interfaces (SFP/RJ-45)
Cooling SystemDuplicate fans, duplicate AC power units, airflow from front to rear
Management Interfaces1x RJ-45 Serial Console, 1x RJ-45 Gigabit Ethernet Management, 1x Gigabit SFP Management, 1x USB port
Expansion Options2x slots for expansion modules
Switch Capacity2.56 Terabits per second
Rate of Forwarding1.44 Billion packets per second
Mass21.6 pounds (9.8 kilograms)
Size (HxWxD)1.72 x 17.36 x 20.48 inches (4.37 x 44.09 x 52.02 cm)
Switching ModesCut-through and store-and-forward
Airflow DirectionFront to rear
Management and Console AccessRear-positioned console and management port access
Energy Use161 Watts
10GbE SFP+ Capacity96/104 (using breakout cables)
40GbE QSFP+ Capacity24/32 (with 2x QFX-EM-4Q expansion modules)
Compatibility with Server Racks19-inch standard
Maximum Frame Size9,216 bytes
Fan Units5x QFX5100-FAN-AFI
Max. LAGs128
Operational Heat Range32° to 104° F (0° to 40° C)
Storage Heat Range-40° to 158° F (-40° to 70° C)
Max. Operational AltitudeUp to 2,000 feet (610 meters)
Humidity Range (Operating)5% to 90% (non-condensing)
Humidity Range (Non-operating)0% to 95% (non-condensing)

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