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by Juniper
Product Line: Juniper QFX5200 Series
Product Type: Switch
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Product Description

The QFX5200-48Y-AFO offers 48 SFP+/SFP28 ports and 6 QSFP+/QSFP28 ports, supporting up to 48 10GbE or 25GbE, and 6 40GbE or 100GbE port densities in a 1 U form factor. It delivers a system throughput of 3.6 Tbps (bi-directional) and a forwarding capacity of 2.1 Bpps, with a 22 MB total packet buffer. The unit features redundant (1+1) hot-pluggable 650 W AC/DC power supplies and redundant (N+1) hot-pluggable fan modules, ensuring reliable front-to-back airflow and a maximum power draw of 430 W.

FAQs for the QFX5200-48Y-AFO

  • What is the system throughput of this device?
    The system throughput is 3.6 Tbps (bi-directional).
  • How many SFP+/SFP28 ports does it have?
    It features 48 SFP+ or SFP28 ports.
  • Can you specify the power supply details?
    It includes redundant (1+1) hot-pluggable 650 W AC/DC power supplies.
  • What is the maximum 100GbE port density supported?
    The maximum 100GbE port density is 6.
  • What are the cooling system specifications?
    It utilizes redundant (N+1) hot-pluggable fan modules and supports front-to-back cooling.
  • How much does the unit weigh?
    The unit weighs 21.2 lb (9.6 kg).
  • What is the operating temperature range?
    The operating temperature ranges from 32° to 104° F (0° to 40° C).
  • How many QSFP+/QSFP28 ports are available?
    There are 6 QSFP+ or QSFP28 ports available.
  • What is the total packet buffer size?
    The total packet buffer size is 22 MB.
  • Describe the device's physical dimensions.
    The dimensions are 17.36 x 1.70 x 20.28 in. (44.09 x 4.31 x 51.5 cm).

Product Review

The Juniper QFX5200-48Y-AFO offers high system throughput of 3.6 Tbps and a forwarding capacity of 2.1 Bpps, enabling efficient handling of dense workloads and traffic. However, its operating temperature range of 0° to 40° C may limit deployment in environments with extreme temperatures. The inclusion of redundant power supplies and fans, along with support for up to 48 10GbE or 25GbE ports and 6 40GbE or 100GbE ports, ensures high availability and scalability for growing network demands.


The Juniper QFX5200-48Y-AFO is a high-performance, 1U data center switch designed for top-of-rack (ToR) deployments. It offers a comprehensive feature set that provides the flexibility, scalability, and performance required for modern data center networks. With its advanced hardware specifications, the QFX5200-48Y-AFO is engineered to meet the demands of intensive workloads, high-speed data transfer, and the efficient operation of cloud environments. At the core of its design, this switch includes 48 SFP+/SFP28 ports, allowing for up to 48 10GbE or 25GbE connections, providing the versatility needed for various network requirements. Additionally, it supports 6 QSFP+/QSFP28 ports, which can be utilized for 40GbE or 100GbE uplinks, maximizing the throughput and reducing bottlenecks in high-performance computing environments. The system's throughput is rated at an impressive 3.6 Tbps (bi-directional), with a forwarding capacity of 2.1 Bpps, ensuring rapid data processing and transmission across the network. This capability is crucial for applications requiring high bandwidth and low latency, such as virtualization, large-scale cloud services, and multimedia content delivery. Key hardware specifications include: -
  • Redundant (1+1) hot-pluggable 650 W AC/DC power supplies, ensuring uninterrupted operation and reliability.
  • Redundant (N+1) hot-pluggable fan modules with a front-to-back cooling design, maintaining optimal operating temperatures and system longevity.
  • Total packet buffer of 22 MB, accommodating high-volume data traffic and reducing packet loss.
The switch is designed for efficiency, with a maximum power draw of 430 W (AC, DC), and a typical power draw of 382 W, translating to a thermal output of up to 1467 BTU/hr. This efficiency is crucial for reducing operating costs and supporting sustainability goals in data centers. Physically, the QFX5200-48Y-AFO measures 17.36 x 1.70 x 20.28 inches (44.09 x 4.31 x 51.5 cm) and fits comfortably in a standard 19-inch rack, occupying only 1U of rack space. It weighs 21.2 lb (9.6 kg), making it relatively easy to handle and install. The device is built to operate in various environments, with an operating temperature range of 32° to 104° F (0° to 40° C) and a storage temperature range of -40° to 158° F (-40° to 70° C). It can function at altitudes up to 5000 feet (1524 m) and is designed to withstand operating humidity levels of 5% to 93% (non-condensing), ensuring reliability in diverse conditions. In summary, the Juniper QFX5200-48Y-AFO is optimized for high-density, high-speed data center networks. Its combination of port density, throughput, and scalability, along with its operational efficiencies and robust design, make it an ideal solution for organizations looking to optimize their network infrastructure for performance and reliability.


Part Number Juniper QFX5200-48Y-AFO
Manufacturer Juniper
Ports 48 SFP+/SFP28, 6 QSFP+/QSFP28
Cooling System Dual redundant fans, airflow from front to back
Power Supplies Two AC units, 650W, hot-swappable, 1+1 redundancy
Network Throughput 3.6 Terabits per second, full-duplex
Packet Processing Rate 2.1 Billion packets per second
10 Gigabit Ethernet Ports Maximum of 48
25 Gigabit Ethernet Ports Maximum of 48
40 Gigabit Ethernet Ports Maximum of 6
100 Gigabit Ethernet Ports Maximum of 6
Dimensions 17.36 x 1.70 x 20.28 inches (44.09 x 4.31 x 51.5 cm)
Rack Size 1U
Weight 21.2 pounds (9.6 kg)
Fan Modules Redundant and hot-swappable, N+1 configuration
Packet Buffer Capacity 22 Megabytes
Maximum Power Consumption 430 Watts (AC/DC), 1467 BTU/hr
Average Power Consumption 382 Watts (AC/DC), 1303 BTU/hr
Operating 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 5000 ft. (1524 m)
Operating Humidity Range 5% to 93%, non-condensing
Non-operating Humidity Range 5% to 93%, non-condensing

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