Skip to content


by Juniper
Product Line: Juniper QFX510024Q3AFI
Product Type: Switch
Sold out
Original price $0.00 - Original price $1,203.00
Original price
$0.00 - $1,203.00
Current price $0.00
Title: Surplus

Orders typically ship within 1-3 Business days, if you need an item to ship sooner please contact us.

Product Description

The QFX5100-24Q-3AFI is equipped with 24 QSFP+ ports and 2 expansion slots, supporting a switching capacity of 2.56 Tbps and a forwarding rate of 1.44 Bpps. It features dual SFP/RJ-45 management ports, redundant fans, and redundant AC power supplies, ensuring reliable operation with back-to-front airflow for optimal cooling. Designed for high-density configurations, it supports up to 104 10GbE SFP+ connections with breakout cables and 32 40GbE QSFP+ ports with optional modules, housed within a 1.72 x 17.36 x 20.48 in chassis for 19-in server rack compatibility.

Key Feature for the QFX510024Q3AFI

  • What are the port configurations available on the QFX5100?
    The QFX5100 offers 24 QSFP+ ports, 2 expansion slots, and dual SFP/RJ-45 management ports.
  • How does the device ensure redundancy?
    It includes redundant fans, redundant AC power supplies, and supports back-to-front airflow for efficient cooling.
  • Can you list the management ports on this device?
    Yes, it has 1x RJ-45 Serial Console, 1x RJ-45 Gigabit Management, 1x Gigabit SFP Management, and 1x USB port.
  • What are the expansion capabilities of the QFX5100?
    It features 2x Expansion Module Slots for increased connectivity options.
  • What are the switching capacity and forwarding rate of this switch?
    The switching capacity is 2.56 Tbps, and the forwarding rate is 1.44 Bpps.
  • What are the physical dimensions and weight of the QFX5100?
    The dimensions are 1.72 x 17.36 x 20.48 inches (HxWxD), and it weighs 21.6 lb (9.8 kg).
  • What modes of switching does the QFX5100 support?
    It supports both cut-through and store-and-forward switching modes.
  • How is the power efficiency of the QFX5100 rated?
    The power consumption of the device is rated at 161 W.
  • How many 10GbE SFP+ and 40GbE QSFP+ ports does the QFX5100 support?
    It supports 96/104 10GbE SFP+ ports (with breakout cable) and 24/32 40GbE QSFP+ ports (with 2 x QFX-EM-4Q).
  • What are the environmental operating conditions for the QFX5100?
    The operating temperature ranges from 32° to 104° F (0° to 40° C), with a relative humidity operating range of 5% to 90% (noncondensing).

Product Review

The Juniper QFX5100-24Q-3AFI offers a high switching capacity of 2.56 Tbps and a forwarding rate of 1.44 Bpps, ensuring efficient data handling for demanding network environments. However, its power consumption at 161 W may be a downside for energy-conscious operations. Additionally, the switch's support for both cut-through and store-and-forward switching modes, along with redundant fans and power supplies, enhances its reliability and flexibility in various deployment scenarios.


The Juniper QFX5100-24Q-3AFI is a high-performance, highly flexible switch designed for data center environments. This switch offers 24 QSFP+ ports capable of supporting 10GbE and 40GbE connections, addressing the demands of high-density, high-speed layer 2 and layer 3 networks. It also features two expansion module slots, enhancing its functionality and versatility for network administrators. The device is engineered for reliability, equipped with redundant fans and AC power supplies, ensuring continuous operation and minimizing downtime. Its design follows a back-to-front airflow scheme, optimizing cooling for the hardware when installed in standard 19-inch server racks, suitable for a variety of data center layouts. Key hardware specifications of the QFX5100-24Q-3AFI include: - Switching capacity of 2.56 Terabits per second (Tbps) and a forwarding rate of 1.44 Billion packets per second (Bpps), facilitating rapid data processing and transmission across the network. - Dual SFP/RJ-45 management ports, alongside a comprehensive set of management connections comprising one RJ-45 Serial Console, one RJ-45 Gigabit Management, one Gigabit SFP Management port, and one USB port, providing multiple options for network configuration and management. - The device supports both cut-through and store-and-forward switching modes, allowing for adaptability in handling network traffic to balance performance with the need for error checking and packet integrity. - Energy efficiency is a key consideration, with a power consumption of 161 Watts, making it an economical choice for enterprises looking to optimize their energy usage without compromising on network performance. Additional features include: - The ability to expand up to 96 or 104 10GbE SFP+ ports with a breakout cable, and 24 or 32 40GbE QSFP+ ports with the addition of 2 x QFX-EM-4Q expansion modules, providing scalability and flexibility in network design. - Support for jumbo frames up to 9,216 bytes, facilitating efficient large data transfers across the network. - Capacity for up to 128 link aggregation groups (LAGs), enhancing bandwidth and providing redundancy to ensure network reliability and performance. - Designed to operate within a temperature range of 32° to 104° F (0° to 40° C) and an operating altitude of up to 2,000 meters (610 m), with relative humidity tolerance of 5% to 90% (noncondensing) during operation, ensuring durability and reliability in a wide range of environmental conditions. 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-3AFI is compact yet powerful, designed to meet the rigorous demands of modern data centers. Its comprehensive feature set, combined with its adaptability and reliability, makes it a competitive choice for organizations seeking to enhance their network infrastructure.


Model and Make Juniper QFX5100-24Q-3AFI
Port Configuration 24 QSFP+ interfaces, dual-purpose SFP/RJ-45 management ports
Management Interface 1x RJ-45 Serial, 1x RJ-45 Gigabit Ethernet, 1x SFP Gigabit Ethernet, 1x USB port
Module Slots 2 slots for expansion modules
Maximum Switching Capacity 2.56 Terabits per second
Maximum Forwarding Rate 1.44 Billion packets per second
Physical Weight 21.6 pounds (9.8 kilograms)
Dimensions Height: 1.72 inches, Width: 17.36 inches, Depth: 20.48 inches
Switching Modes Cut-through and store-and-forward
Cooling Method Airflow from back to front
Energy Usage 161 Watts
High-Speed Ethernet Support 96/104 ports for 10GbE with breakout, 24/32 ports for 40GbE with 2 x QFX-EM-4Q modules
Compatibility with Server Racks Standard 19-inch
Maximum Frame Size 9,216 bytes for Jumbo frames
Cooling Fans 5 units, Model QFX5100-FAN-AFI
Link Aggregation Groups Maximum of 128
Operational Temperature Range 32° to 104° Fahrenheit
Storage Temperature Range -40° to 158° Fahrenheit
Maximum Operating Altitude Up to 2,000 meters
Humidity Levels for Operation 5% to 90%, non-condensing
Humidity Levels for Storage 0% to 95%, non-condensing
Redundant Components Fans, AC power supplies

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare