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by Extreme
Product Line: Extreme 16303 Summit
Product Type: Switch
Sold out
Original price $0.00 - Original price $1,004.00
Original price
$0.00 - $1,004.00
Current price $0.00
Title: Surplus

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Product Description

The 16303 Extreme features 24 100/1000BASE-X unpopulated SFP ports and 12 10/100/1000BASE-T ports (shared), accompanied by 2 unpopulated XFP ports for enhanced connectivity options. It is designed without a power supply unit, offering two unpopulated PSU slots and one VIM2 slot, within a compact frame measuring 1.57 inches (4.0 cm) in height, 4.8 inches (12.3 cm) in width, and 13.31 inches (33.8 cm) in depth, and weighs 3.64 lb (1.65 kg). The device operates efficiently within a temperature range of 0° C to 45° C (32° F to 113° F) and a humidity range of 10% to 93%, non-condensing, supporting an altitude up to 3,000 meters (9,850 feet) and features a fan with a speed range of 4500 RPM to 18000 RPM.

Key Feature for the 16303

  • What is the size and weight of this network device?
    The device measures 1.57 inches (4.0 cm) in height, 4.8 inches (12.3 cm) in width, and 13.31 inches (33.8 cm) in depth, with a weight of 3.64 lb (1.65 kg).
  • How many 100/1000BASE-X unpopulated SFP ports are available?
    There are 24 100/1000BASE-X unpopulated SFP ports available.
  • What are the environmental operating conditions for this device?
    The operating temperature range is 0° C to 45° C (32° F to 113° F), with a humidity range of 10% to 93% relative humidity, non-condensing, and an operating altitude of 0-3,000 meters (9,850 feet).
  • Can you detail the fan speed specifications?
    The minimum fan speed is 4500 RPM, and the maximum fan speed is 18000 RPM.
  • What are the shock and vibration standards for this device?
    Operational shock is rated at 30 m/s2 (3 g) for 11ms, with 60 shocks. Operational random vibration is 3-500 MHz at 1.5g rms.
  • How many 10/100/1000BASE-T ports are included, and are they shared?
    There are 12 10/100/1000BASE-T ports included, which are shared.
  • What are the power supply specifications for this device?
    The AC power supply has nominal input ratings of 100 to 240 V, 50/60 Hz, 3.5 A, with an input current of 2.0 A @ 100 V (low-line) and 0.9 A @ 240 V (high-line). Heat dissipation and power consumption are both rated at 195 W, 663 BTU/hr.
  • How does the device handle operational and transportation extremes?
    For operational extremes, it can withstand a temperature range of -40° C to 70° C (-40° F to 158° F) and humidity of 10% to 95% RH, non-condensing. For transportation, it has a packaged shock resistance of 180 m/s2 (18 g) for 6ms with 600 shocks, and packaged vibrations standards as listed.
  • Are there any unpopulated slots for expansion, and if so, what kinds?
    Yes, there are two unpopulated XFP ports, two unpopulated PSU slots, and one VIM2 slot available for expansion.
  • What is the device's operational reliability in terms of vibration and shock during transport?
    During transportation, the device can handle packaged sine vibration of 5-62 Hz at velocity 5mm/s, 62-500 Hz at 0.2G, and packaged random vibration of 5-20 Hz at 1.0 ASD w/-3dB/oct. from 20-200 Hz, with a minimum of 14 drops on sides & corners at a 42” drop height for boxes under 15 kg.

Product Review

The Extreme 16303 offers a versatile mix of connectivity options, including 24 100/1000BASE-X SFP and 12 10/100/1000BASE-T ports, along with two XFP ports for high-speed networking, catering to diverse network architecture needs. However, the absence of a power supply unit (PSU) and only two unpopulated PSU slots might limit immediate deployment and necessitate additional investment. Its compact design, with dimensions of 4.8 inches in width and 13.31 inches in depth, and a lightweight frame at 3.64 lb, ensures easy integration into existing network setups, although the operational temperature and humidity ranges could restrict its use in more extreme environments.


The Extreme 16303 is a versatile networking device tailored to meet the demands of modern data centers and high-density networking environments. It features a broad array of connectivity options and is designed for durability and reliability under various operational conditions. At its core, the Extreme 16303 is equipped with 24 100/1000BASE-X unpopulated SFP ports and 12 10/100/1000BASE-T ports that are shared. This range of connectivity options ensures flexibility in network design, allowing for a mix of fiber and copper connections based on the application's bandwidth and distance requirements. Additionally, the device comes with 2 unpopulated XFP ports for 10 Gigabit Ethernet connections, offering avenues for network expansion and high-speed connectivity. Despite its extensive capabilities, the Extreme 16303 is designed with efficiency in mind, featuring no PSU but offering two unpopulated PSU slots for power supply redundancy. This ensures uninterrupted operation and provides network administrators the flexibility to choose the most suitable power supply unit based on their specific power requirements. The device also includes one VIM2 slot, expanding its functionality and allowing for further customization to meet the unique needs of different network configurations. From a physical standpoint, the Extreme 16303 boasts a compact and lightweight design, making it ideal for environments where space is at a premium. Its dimensions are as follows: - Height: 1.57 inches (4.0 cm) - Width: 4.8 inches (12.3 cm) - Depth: 13.31 inches (33.8 cm) - Weight: 3.64 lb (1.65 kg) The hardware is engineered to operate reliably across a wide range of environmental conditions. Its operational temperature range spans from 0° C to 45° C (32° F to 113° F), and it can function at a humidity level from 10% to 93%, non-condensing. The device is also designed to withstand operational shocks, vibrations, and can operate at altitudes up to 3,000 meters (9,850 feet), ensuring consistent performance even in challenging physical environments. For cooling, the Extreme 16303 is equipped with a fan capable of operating at speeds ranging from a minimum of 4500 RPM to a maximum of 18000 RPM, effectively managing the device's thermal output and ensuring stable operation under varying loads. Regarding power specifications, the device requires an AC power supply with nominal input ratings of 100 to 240 V, 50/60 Hz, 3.5 A. It has a heat dissipation of 195 W, translating to 663 BTU/hr, which aligns with its power consumption figures, ensuring energy efficiency. In summary, the Extreme 16303 is a high-performance, scalable networking solution designed for businesses seeking a blend of flexibility, reliability, and efficiency in their network infrastructure. Its comprehensive feature set, coupled with its robust environmental tolerance, makes it an excellent choice for a wide range of networking applications.


Part Number 16303
Manufacturer Extreme
SFP Ports 24 slots for 100/1000BASE-X, not populated
Gigabit Ethernet Ports 12 ports, 10/100/1000BASE-T, dual-purpose
XFP Ports 2 slots, not populated
Power Supply Units Not included, slots for 2 PSU available
Expansion Slot 1 slot for VIM2
Dimensions (H x W x D) 1.57 in (4.0 cm) x 4.8 in (12.3 cm) x 13.31 in (33.8 cm)
Weight 3.64 pounds (1.65 kg)
Fan Speed (Low) 4500 RPM
Fan Speed (High) 18000 RPM
Operational Temperature 32° F to 113° F (0° C to 45° C)
Operational Humidity 10% to 93% RH, non-condensing
Maximum Operating Altitude Up to 9,850 feet (3,000 meters)
Shock Resistance (Operational) 30 m/s2 (3 g) for 11ms, 60 shocks
Vibration Resistance (Operational) 1.5g rms from 3-500 MHz
Storage Temperature -40° F to 158° F (-40° C to 70° C)
Storage Humidity 10% to 95% RH, non-condensing
Shock Resistance (Packaged) 180 m/s2 (18 g) for 6ms, 600 shocks
Vibration Resistance (Packaged) Sine vibration: 5-62 Hz at 5mm/s, 62-500 Hz at 0.2G; Random: 5-20 Hz at 1.0 ASD w/-3dB/oct. from 20-200 Hz
Drop Test Minimum 14 drops from 42 inches on sides & corners
AC Input Rating 100 to 240 V, 50/60 Hz, 3.5 A
AC Input Current 2.0 A at 100 V, 0.9 A at 240 V
Power Dissipation 195 W, 663 BTU/hr
Power Consumption 195 W, 663 BTU/hr

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