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by Extreme
Product Line: Extreme Summit X Series
Product Type: Switch
Original price $0.00 - Original price $2,465.00
Original price
$0.00 - $2,465.00
Current price $2,465.00
Title: Used

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

Product Description

The 16531 Extreme networking switch features a maximum of 12 10/100/1000 Base-T ports, 4 active 1Gb SFP ports, and can support up to 4 10Gb SFP+ ports with an additional license. It offers an aggregated switch bandwidth of 104 GBPS and a frame forwarding rate of 77.4 MPPS. Designed for durability and efficiency, it operates within a temperature range of 0° C to 50° C, supports a humidity range of 10% to 95% relative humidity, non-condensing, and can function up to an altitude of 3,000 meters.

Key Feature for the 16531

  • What is the maximum number of 10/100/1000 Base-T ports available?
    The device supports up to 12 10/100/1000 Base-T ports.
  • How many 1Gb SFP ports can be actively used?
    A maximum of 4 1Gb SFP ports can be used.
  • Can the device support 10Gb SFP+ ports?
    Yes, it supports up to 4 10Gb SFP+ ports via a license.
  • What is the aggregated switch bandwidth?
    The aggregated switch bandwidth is 104 GBPS.
  • What is the frame forwarding rate of the device?
    The frame forwarding rate is 77.4 MPPS.
  • How much does the device weigh and what are its dimensions?
    The device weighs 6.66 lb (3.02 kg) and measures 1.73 inches in height (1 RU), 12.01 inches in width, and 10.28 inches in depth.
  • What are the minimum and maximum power consumption rates?
    Minimum power consumption is 21 Watts, while maximum power consumption can reach 264 Watts.
  • What are the operating temperature and humidity conditions?
    Operating temperature ranges from 0° C to 50° C (32° F to 122° F), and humidity ranges from 10% to 95% relative humidity, non-condensing.
  • Does the device have a redundant power supply option?
    Yes, it includes a redundant power supply option with a 2x7 Terminal Block Supply Input Socket.
  • What are the shock and vibration specifications for the device?
    Shock specifications are 30 m/s2 (3 G) for 11 ms with 6 shocks, and vibration specifications are from 3 to 500 Hz at 1.5 G rms.

Product Review

The Extreme 16531 offers a balanced selection of connectivity options, including 12 10/100/1000 Base-T ports and up to 4 10Gb SFP+ ports through licensing, catering to versatile networking needs. With an aggregated switch bandwidth of 104 Gbps and a frame forwarding rate of 77.4 Mpps, it efficiently handles high traffic volumes, ensuring smooth data transmission across networks. However, the requirement for a license to activate all 10Gb SFP+ ports may increase operational costs for organizations needing high-speed connections out of the box.


The Extreme 16531 is a versatile networking device designed to meet the needs of modern enterprise networks, offering a mix of speed, efficiency, and scalability. Tailored for performance, it features a comprehensive set of specifications that cater to a wide range of networking requirements. Central to its design is the capability to support up to 12 10/100/1000 Base-T ports, providing flexibility in connecting devices across various speeds. For environments requiring faster data transfer and higher bandwidth, the Extreme 16531 includes 4 active 1Gb SFP ports. Additionally, it offers scalability through 4 10Gb SFP+ ports, which are available via licensing, ensuring that the network can grow and adapt to increasing demands without the need for immediate hardware upgrades. The aggregated switch bandwidth of 104 GBPS ensures efficient handling of data across the network, supporting high-volume traffic without bottlenecks. Complementing this, the frame forwarding rate of 77.4 MPPS signifies the device's capability to process millions of packets per second, highlighting its efficiency in managing network traffic. Weighing 6.66 lb (3.02 kg) and featuring a compact 1 RU form factor with dimensions of 1.73 inches in height, 12.01 inches in width, and 10.28 inches in depth, the Extreme 16531 is designed for easy integration into a variety of rack setups, optimizing space without compromising performance. From a power consumption standpoint, the device is engineered for efficiency, with a minimum power consumption of 21 Watts and a minimum heat dissipation of 72 BTU/HR. Under maximum load with Power over Ethernet (PoE) enabled, it can consume up to 264 Watts and dissipate up to 216 BTU/HR, offering a balanced performance-to-power consumption ratio. The power supply features include an IEC 320 C14 input socket with a power cord input plug/socket configuration of IEC 320 C13/C14 and a minimum cord gauge of 18AWG/0.75mm². For enhanced reliability, it supports redundant power through a 2x7 terminal block supply input socket. Operating conditions are rated for temperatures ranging from 0° C to 50° C (32° F to 122° F) and humidity levels from 10% to 95%, non-condensing. The device can operate at altitudes up to 3,000 meters (9,842 feet), with resilience against shock and vibration, ensuring reliable performance under various environmental conditions.
  • Maximum 10Gb SFP+ Ports: 4 (via license)
  • Aggregated Switch Bandwidth: 104 GBPS
  • Frame Forwarding Rate: 77.4 MPPS
For packaging and storage, the Extreme 16531 is designed to withstand temperatures from -40° C to 70° C (-40° F to 158° F) and the same humidity range as its operating conditions. It is also built to endure packaged shock and vibration, ensuring it arrives in optimal condition and maintains its integrity over time. In summary, the Extreme 16531 is engineered to support the dynamic needs of modern networks, offering a blend of performance, scalability, and reliability, making it a suitable choice for various enterprise networking applications.


Part NumberExtreme 16531
Gigabit Ethernet Ports Count12
Active Gigabit SFP Slots4
Licensed 10G SFP+ Expansion Slots4
Total Switching Capacity104 Gbps
Packets Per Second Rate77.4 Million
Mass6.66 pounds (3.02 kilograms)
Unit Height1 Rack Unit / 1.73 inches (4.4 cm)
Width12.01 inches (30.5 cm)
Depth10.28 inches (26.1 cm)
Lowest Heat Output72 BTU/hr
Lowest Power Draw21 Watts
Highest Heat Output216 BTU/hr (at 200W PoE)
Highest Power Draw264 Watts
Power Socket TypeIEC 320 C14
Power Cord TypeIEC 320 C13/C14
Power Cord Wire GaugeMinimum 18AWG/0.75mm²
Backup Power OptionDual Terminal Block (2x7)
Operational Temperature Range0° C to 50° C (32° F to 122° F)
Operational Humidity Range10% to 95% non-condensing
Maximum Operating AltitudeUp to 3,000 meters (9,842 feet)
Shock Resistance30 m/s² (3 G), 11 ms, 6 shocks
Vibration Resistance3 to 500 Hz at 1.5 G rms
Storage Temperature Range-40° C to 70° C (-40° F to 158° F)
Storage Humidity Range10% to 95% non-condensing
Shock Resistance During Storage180 m/s² (18 G), 6 ms, 600 shocks

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