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by Cisco
Product Line: Cisco Firepower 4100 Series
Product Type: Network Security/firewall Appliance
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Original price $0.00 - Original price $0.00
Original price
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Current price $0.00
Title: Surplus

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Product Description

The FPR4120-NGFW-K9 Cisco features a 1RU form factor with dimensions of 1.75 in. (H) x 16.89 in. (W) x 29.7 in. (D) and includes 2 I/O module slots for expansion, supported by the Cisco Firepower 4000 Supervisor with 8 x 10 Gigabit Ethernet ports and 2 Network Module (NM) slots. It offers a 200 GB storage capacity and is equipped with a single 1100W AC power supply, with options for dual configuration and DC power supplies ranging from -40V to -60VDC, achieving more than 92% efficiency at 50% load. Designed for reliability, it includes 6 hot-swappable fans, 1+1 redundancy, and operates within a temperature range of 32 to 104°F, with a humidity tolerance of 5 to 95% noncondensing.

FAQs for the FPR4120-NGFW-K9

  • What are the dimensions of the networking hardware?
    The dimensions are 1.75 in. (H) x 16.89 in. (W) x 29.7 in. (D) or 4.4 cm x 42.9 cm x 75.4 cm.
  • How many I/O module slots does the Cisco Firepower 4000 Supervisor have?
    It has 2 I/O module slots.
  • What is the form factor of the device?
    The form factor is 1RU.
  • What storage capacity is available on the device?
    The device comes with 200 GB of storage.
  • What are the power supply options for the device?
    The device supports a single 1100W AC power supply with dual optional, and single/dual 950W DC options are also available.
  • What is the AC efficiency and maximum output power?
    The AC efficiency is greater than 92% at 50% load with a maximum output power of 1100W.
  • Can the device be rack mounted?
    Yes, the device is rack mountable, and mount rails are included for a 4-post EIA-310-D rack.
  • What are the operating and non-operating temperature ranges?
    The operating temperature range is 32 to 104°F (0 to 40°C), and the non-operating temperature range is -40 to 149°F (-40 to 65°C).
  • How many fans does the device have, and are they hot-swappable?
    The device has 6 hot-swappable fans.
  • What is the device's weight with and without power supplies and network modules?
    The weight is 36 lb (16 kg) with 2 power supplies, 2 network modules, and 6 fans, and 30 lb (13.6 kg) without power supplies and network modules.

Product Review

The Cisco FPR4120-NGFW-K9 offers high scalability with 2 I/O module slots and a Cisco Firepower 4000 Supervisor, which supports 8 x 10 Gigabit Ethernet ports and 2 Network Module slots for extensive network expansion. However, its considerable noise level at 78 dBA might be a concern in quieter operational environments. The unit's flexibility in power supply options, including single or dual AC/DC configurations with high efficiency over 92%, and its comprehensive operating temperature and humidity ranges, ensure reliable performance in diverse operational contexts.


The Cisco FPR4120-NGFW-K9 is a next-generation firewall designed for efficient network security, offering both flexibility and scalability to meet the demands of various organizational sizes. At the heart of this device is the Cisco Firepower 4000 Supervisor, equipped with 8 x 10 Gigabit Ethernet ports, enhancing connectivity and allowing for extensive network coverage. Additionally, it features 2 Network Module (NM) slots, providing options for I/O expansion to cater to the evolving needs of business networks. This unit boasts a 1RU (rack unit) form factor, allowing for efficient space utilization in data centers. It measures 1.75 inches in height, 16.89 inches in width, and 29.7 inches in depth, ensuring it fits into standard server racks with ease. The device also comes with mount rails for 4-post EIA-310-D racks, making installation straightforward. Storage capabilities include a 200 GB internal drive, sufficient for logging and other operational needs. The FPR4120-NGFW-K9 supports various power configurations, including a single 1100W AC power supply by default, with options for dual AC or DC power supplies to ensure continuous operation. The AC power supply operates within a voltage range of 100 to 240V AC, delivering up to 1100W output power, while the optional DC power supply operates between -40V to -60VDC, delivering up to 950W output power.
  • Redundancy is built into the system with a 1+1 configuration, ensuring high availability and minimal downtime.
  • The unit is cooled by 6 hot-swappable fans, maintaining optimal operating temperatures and allowing for easy replacement without shutting down the system.
  • It operates within a temperature range of 32 to 104°F (0 to 40°C) and can withstand non-operating temperatures from -40 to 149°F (-40 to 65°C).
The device's power efficiency is notable, with greater than 92% efficiency at 50% load for AC power and over 92.5% efficiency at 50% load for DC power, highlighting its capability to conserve energy while maintaining high performance. Noise levels are maintained at 78 dBA, considering its cooling and operational mechanisms. Weighing in at 36 pounds with power supplies, NMs, and fans, and 30 pounds without, the FPR4120-NGFW-K9 is designed for easy handling and maintenance. It can support an operating humidity range from 5 to 95% noncondensing, ensuring reliable performance in various environmental conditions. In summary, the Cisco FPR4120-NGFW-K9 combines advanced networking capabilities with flexible power options and efficient cooling solutions, making it suitable for organizations looking to secure their networks without compromising on performance or scalability. Its design and specifications ensure that it can meet the demands of modern data centers, providing comprehensive security features in a compact, efficient package.


Part NumberCisco FPR4120-NGFW-K9
Height1.75 inches (4.4 cm)
Width16.89 inches (42.9 cm)
Depth29.7 inches (75.4 cm)
Rack Units1RU
Expansion Slots2 I/O module slots
Supervisor EngineFirepower 4000 Supervisor with 8 x 10GbE ports plus 2 Network Module slots
Storage Capacity200 GB
Power Supply OptionsSingle 1100W AC standard; Dual 1100W AC or single/dual 950W DC optional
AC Input Range100V to 240V AC
AC Max Input13 Amps
AC Max Output1100 Watts
AC Frequency Range50Hz to 60Hz
AC Conversion EfficiencyGreater than 92% at 50% load
DC Input Range-40VDC to -60VDC
DC Max Input27 Amps
DC Max Output950 Watts
DC Conversion EfficiencyGreater than 92.5% at 50% load
Power Redundancy1+1
Cooling Fans6 hot-swappable units
Acoustic Noise78 dBA
Mounting HardwareIncluded for 4-post EIA-310-D racks
Weight (with components)36 lbs (16 kg)
Weight (without components)30 lbs (13.6 kg)
Operational Temperature32°F to 104°F (0°C to 40°C)
Storage Temperature-40°F to 149°F (-40°C to 65°C)
Operational Humidity5% to 95%, non-condensing

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