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by Juniper
Product Line: Juniper QFX
Product Type: Switch
Original price $8,029.00 - Original price $8,363.00
Original price
$8,029.00 - $8,363.00
Current price $8,363.00
Title: Surplus

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Product Description

The QFX5110-48S-AFO is equipped with 48 SFP+ ports and 4 QSFP28 ports, supporting a range of port densities for 10/25/40/50/100/400GbE connectivity, housed in a fixed 1 U form factor with dimensions of 17.36 x 1.72 x 20.48 in. It delivers a switching capacity of 1.76 Tbps/1.32 Bpps, with a buffer capacity of 16MB and latency of 550 ns, optimized for both access and leaf deployments in data center environments. Power efficiency is achieved through dual redundant (1+1) and hot-pluggable power supplies, with a maximum power consumption of 300W, typical load at 195W, and an idle load of 150W, supporting both AC and DC power inputs.

Key Feature for the QFX5110-48S-AFO

  • What are the port densities available on the QFX5110?
    The QFX5110 supports 48 x 10GbE and 4 x 40/100GbE port densities.
  • How does the switching capacity of the device impact network performance?
    With a switching capacity of 1.76 Tbps and 1.32 Bpps, the device facilitates efficient data processing and high-speed network performance.
  • What power consumption levels should be expected with the QFX5110?
    Expect a maximum load consumption of 300W, a typical load of 195W, and an idle load of 150W.
  • Can the QFX5110 operate in environments with varying temperatures?
    Yes, it operates in temperatures ranging from 32° to 104° F (0° to 40° C) and has a storage temperature range of -40° to 158° F (-40° to 70° C).
  • What are the dimensions and form factor of this switch?
    The QFX5110 has dimensions of 17.36 x 1.72 x 20.48 in (44.09 x 4.37 x 52.02 cm) and is a fixed 1 U access/leaf form factor.
  • Describe the airflow design of the QFX5110.
    It features a front-to-back airflow design to maintain optimal operating temperatures.
  • What is the buffer capacity of the QFX5110, and why is it important?
    The buffer capacity is 16MB, crucial for handling bursts of data and ensuring smooth traffic flow on the network.
  • How does the QFX5110 handle power redundancy?
    It includes dual redundant (1+1) and hot-pluggable power supplies, ensuring uninterrupted operation.
  • What types of power sources are supported by the QFX5110?
    It supports 110-240 V single phase AC power and -36 to -72 V DC power, providing flexibility in power sourcing.
  • What is the latency of the QFX5110, and how does it affect network performance?
    The latency is 550 ns, which minimizes delay in data transmission, enhancing network efficiency.

Product Review

The Juniper QFX5110-48S-AFO switch offers high switching capacity at 1.76 Tbps and a port density that supports up to 48 x 10GbE and 4 x 40/100GbE connections, catering well to high-demand network environments. However, its power consumption peaks at 300W under maximum load, which might concern organizations aiming for energy efficiency. Additionally, the fixed form factor and the specific dimensions may limit flexibility in varying rack spaces, despite its comprehensive feature set and performance capabilities.


The Juniper QFX5110-48S-AFO is a fixed configuration switch designed for high-density, low-latency data center operations. This switch provides a versatile platform for deploying 10GbE and 100GbE in various network environments, offering a comprehensive solution for data center and campus deployments. At the heart of the QFX5110-48S-AFO is its impressive switching capacity of 1.76 Tbps/1.32 Bpps, enabling high-speed data processing and transmission across the network. The device features a total of 48 SFP+ ports and 4 QSFP28 ports, supporting a diverse range of connectivity options for different network requirements. This includes 48 ports for 10GbE and options for 40/100GbE through the QSFP28 ports, providing flexibility in network design and expansion. The switch's physical dimensions are 17.36 x 1.72 x 20.48 inches, fitting perfectly into a standard 1U rack space, making it ideal for space-constrained environments. Despite its compact size, the QFX5110-48S-AFO does not compromise on performance or capacity. Power efficiency is a key consideration in the design of the QFX5110-48S-AFO, with a maximum power consumption of 300W under full load, 195W under typical load, and 150W while idle. This efficiency is crucial for minimizing operational costs in data centers. The switch also features dual redundant, hot-pluggable power supplies, ensuring uninterrupted operation and reliability. The switch is equipped with a 16MB buffer capacity and boasts a low latency of 550 ns, facilitating swift data processing and transfer. This low latency is essential for applications requiring real-time processing and high-speed data transfer. Connectivity options are extensive, with support for 48 1GbE SFP ports (including 24 copper 1GbE), 48/64 10GbE SFP+ ports (with breakout cable), 4 40GbE QSFP+ ports, and 4 100GbE QSFP28 ports. This wide range of connectivity options ensures that the switch can handle various network architectures and throughput requirements.
  • Front-to-back and back-to-front airflow options cater to different cooling strategies, ensuring efficient operation under various environmental conditions.
  • Support for both AC and DC power supplies provides flexibility in power sourcing and enhances the operational reliability of the switch.
  • Dual redundant power supplies and a wide operating temperature range from 32° to 104° F ensure the switch's reliability and durability in diverse environmental conditions.
The switch operates efficiently across a wide range of humidity and altitude levels, with an operating humidity of 5% to 90% non-condensing and a non-operating humidity of 0% to 95% non-condensing. It can function at altitudes of up to 2,000 meters, ensuring reliable performance even in challenging physical environments. In summary, the Juniper QFX5110-48S-AFO offers a high-performance, efficient, and flexible switching solution for data centers and enterprise networks. Its comprehensive feature set, including high switching capacity, low power consumption, and a wide range of connectivity options, make it an ideal choice for organizations looking to build scalable, high-density network infrastructures.


Part Number Juniper QFX5110-48S-AFO
Manufacturer Juniper
Model QFX5110, 48 SFP+ and 4 QSFP28
Airflow Direction Front-to-Back AC
Device Type Fixed 1U Access/Leaf Switch
Dimensions 17.36 x 1.72 x 20.48 inches (44.09 x 4.37 x 52.02 cm)
Switching Capacity 1.76 Terabits per second/1.32 Billion packets per second
Port Configurations 48 x 10GbE, 4 x 40/100GbE
Power Usage Maximum: 300W, Typical: 195W, Idle: 150W
Memory Buffer 16 Megabytes
Network Latency 550 Nanoseconds
1GbE SFP Ports 48 (Includes 24 copper ports)
10GbE SFP+ Ports 48/64 (Expandable with breakout cable)
40GbE QSFP+ Ports 4
100GbE QSFP28 Ports 4
Airflow Pattern Back-to-Front
AC Power Requirements 110-240 V Single Phase
DC Power Options -36 to -72 V DC
Power Supply Dual Redundant (1+1), Hot-Pluggable
Operational Temperature Range 32° to 104° F (0° to 40° C)
Storage Temperature Range -40° to 158° F (-40° to 70° C)
Maximum Operating Altitude Up to 2,000 feet (610 meters)
Operational Humidity 5% to 90% (Non-condensing)
Non-operational Humidity 0% to 95% (Non-condensing)

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