FPR2140-NGFW-K9 – 10.4G NGFW Firewall – 12xRJ45 4xSFP+ – Dual AC

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FPR2140-NGFW-K9 Description

The FPR2140-NGFW-K9 is a Cisco Firepower 2140 NGFW appliance in the Firepower 2100 Series running Threat Defense software for high-throughput perimeter and VPN roles. The 1RU appliance delivers 10.4 Gbps of FW + AVC + IPS throughput, 3 million concurrent sessions with AVC and 10,000 VPN peers, with twelve RJ-45 ports, four 1/10G SFP+ ports and one network module bay. Two 400W AC supplies ship in the chassis, and ASA software runs on a separate model number.

Quick Specs

Parameter

Specification

Product ID

FPR2140-NGFW-K9

Product type

Cisco Firepower 2140 NGFW firewall appliance

Security software role

Cisco Secure Firewall Threat Defense / NGFW

Form factor

1RU rack-mount appliance

Fixed data interfaces

12 x 10M/100M/1GBASE-T RJ-45 and 4 x 1/10G SFP+

Network module bay

One network module slot

Maximum Ethernet interfaces

Up to 24 total Ethernet ports with network module

Optional network modules

1G SFP, 10G SFP+, and fail-to-wire options

Storage

1 x 200 GB SSD installed and 1 spare slot for MSP

Power supply design

Ships with dual 400W AC power supplies; DC optional

Default power supply

Two FPR2K-PWR-AC-400 400W AC supplies included

Firewall throughput

20 Gbps

FW + AVC + IPS throughput

10.4 Gbps

Product Performance

Firewall Throughput
FW + AVC + IPS Throughput
Concurrent Sessions with AVC

Key Features

Dual AC Supplies From The Factory

Two 400W AC supplies ship in the chassis, which gives 1+1 power redundancy from day one. 350W DC supplies are the optional alternative.

Fixed 1/10G SFP+ Uplinks

Four SFP+ ports sit beside twelve Gigabit RJ-45 ports, so 10G fiber links connect without a module.

Network Module Bay

One front bay takes 1G SFP, 10G SFP+ and fail-to-wire modules, up to 24 Ethernet ports in total.

Inspection Capacity

Threat Defense runs at 10.4 Gbps with FW + AVC + IPS and 10.5 Gbps with IPS alone, with 57,000 new connections per second and 1.4 Gbps of TLS inspection.

VPN Scale

IPsec VPN throughput reaches 3.6 Gbps across 10,000 peers, the largest figures in the Firepower 2100 Series.

Replaceable Fan Module

A single hot-swappable fan module with four fans is replaced without removing the chassis.

Application Scenarios

Large Branch Or Campus Perimeter

At a large site with several Gbps of internet traffic, the appliance runs application visibility and intrusion prevention together at 10.4 Gbps.

VPN Concentrator For Remote Workers

A headquarters can terminate up to 10,000 VPN peers on one appliance, with 3.6 Gbps of IPsec throughput.

Data Center Edge With Open Module Bay

At a data center edge, fixed SFP+ ports connect upstream links while the open network module bay leaves room for added 1G or 10G ports.

Product Comparison

Parameter

FPR2140-NGFW-K9

FPR2140-ASA-K9

FPR2130-NGFW-K9

FPR2120-NGFW-K9

Stateful inspection throughput (ASA)

Not applicable

20 Gbps

Not applicable

Not applicable

Throughput: FW + AVC + IPS

10.4 Gbps

Not applicable

5.4 Gbps

3.4 Gbps

Throughput: IPS

10.5 Gbps

Not applicable

5.4 Gbps

3.5 Gbps

IPsec VPN throughput

3.6 Gbps

Not applicable

1.9 Gbps

1.2 Gbps

Maximum concurrent sessions, with AVC

3 million

Not applicable

2 million

1.5 million

Maximum VPN peers

10,000

10,000

7,500

3,500

Interfaces

12 x RJ-45, 4 x 1/10G SFP+

12 x RJ-45, 4 x 1/10G SFP+

12 x RJ-45, 4 x 1/10G SFP+

12 x RJ-45, 4 x 1G SFP

Network module

1 network module bay

1 network module bay

1 network module bay

No network module bay

Power supply configuration

Two 400W AC included; 350W DC optional

Two 400W AC included; 350W DC optional

One 400W AC included; second 400W AC or 350W DC optional

Single integrated 250W AC

FPR2140-NGFW-K9 and FPR2140-ASA-K9 are the same Firepower 2140 chassis, but this PID runs Threat Defense at 10.4 Gbps of FW + AVC + IPS, while FPR2140-ASA-K9 runs Cisco ASA at 20 Gbps of stateful inspection, so sites with ASA policies need the ASA PID. FPR2130-NGFW-K9 covers up to 5.4 Gbps and 7,500 VPN peers with the same module bay and 1/10G SFP+ ports, but ships with one 400W AC supply, and it is the only 2100 model with NEBS certification. FPR2120-NGFW-K9 is enough below 3.4 Gbps and 3,500 VPN peers on 1G SFP ports, with no module bay.

Ordering Checklist

  • Threat Defense subscription: Add L-FPR2140T-TMC= and pick a 1, 3 or 5 year term (L-FPR2140T-TMC-1Y, -3Y or -5Y). Only the Base license comes with the appliance; IPS, Malware Defense and URL Filtering stay unlicensed without a subscription.
  • Network module: Choose one of FPR2K-NM-8X1G, FPR2K-NM-8X10G, FPR2K-NM-8X1G-F, FPR2K-NM-6X1SX-F, FPR2K-NM-6X10SR-F or FPR2K-NM-6X10LR-F, or FPR2K-NM-BLANK for the bay. The 2140 has one module bay; the fail-to-wire modules pair ports 1 with 2 and 3 with 4.
  • Power supply type: Two FPR2K-PWR-AC-400 ship by default; FPR2K-PWR-DC-350 is the DC alternative. AC and DC supplies cannot be mixed in one chassis.
  • Malware Storage Pack: Add FPR-MSP-SSD for the second SSD slot, which is reserved for it. Slot 2 stays empty unless the pack is added.
  • Power cords: Select one country-specific cord per supply (two in total), and order CAB-ACR, CAB-C13-ACB or CAB-JPN with the system for Argentina, Brazil or Japan. Each supply takes its own cord, and orders to those three countries must include the matching cord.

Optional Add-ons

Model

Description

L-FPR2140T-TMC=

Cisco Firepower 2140 Threat Defense IPS, Malware Defense, and URL license combination

L-FPR2140T-TMC-1Y

Cisco Firepower 2140 Threat Defense IPS, Malware Defense, and URL 1-year subscription

L-FPR2140T-TMC-3Y

Cisco Firepower 2140 Threat Defense IPS, Malware Defense, and URL 3-year subscription

L-FPR2140T-TMC-5Y

Cisco Firepower 2140 Threat Defense IPS, Malware Defense, and URL 5-year subscription

FPR2K-NM-8X1G

Firepower 2100 8-port 1G SFP network module

FPR2K-NM-8X10G

Firepower 2100 8-port 10G SFP+ network module

FPR2K-NM-8X1G-F

Firepower 2100 8-port 1G copper hardware bypass network module

FPR2K-NM-6X1SX-F

Firepower 2100 6-port 1G SX fiber hardware bypass network module

FPR2K-NM-6X10SR-F

Firepower 2100 6-port 10G SR hardware bypass network module

FPR2K-NM-6X10LR-F

Firepower 2100 6-port 10G LR hardware bypass network module

FPR2K-PWR-AC-400=

400W AC power supply spare for Firepower 2130 and 2140

FPR2K-PWR-DC-350=

350W DC power supply spare for Firepower 2130 and 2140

FPR2K-FAN=

Fan tray spare for Firepower 2130 and 2140

FPR2K-SSD200=

200 GB SSD spare for Firepower 2130 and 2140

FPR-MSP-SSD=

Malware Storage Pack SSD option

FPR2K-SLIDE-RAILS=

Slide rail kit spare

SFP-10G-SR

Cisco-listed 10G SFP+ option for Secure Firewall 2130 and 2140 fixed ports

SFP-10G-SR-S

Cisco-listed 10G SFP+ option for Secure Firewall 2130 and 2140 fixed ports

SFP-10G-LR

Cisco-listed 10G SFP+ option for Secure Firewall 2130 and 2140 fixed ports

SFP-10G-LR-S

Cisco-listed 10G SFP+ option for Secure Firewall 2130 and 2140 fixed ports

SFP-10G-ER

Cisco-listed 10G SFP+ option for Secure Firewall 2130 and 2140 fixed ports

SFP-10G-ER-S

Cisco-listed 10G SFP+ option for Secure Firewall 2130 and 2140 fixed ports

SFP-10G-LRM

Cisco-listed 10G SFP+ option for Secure Firewall 2130 and 2140 fixed ports

SFP-H10GB-CUxM

Cisco-listed 10G copper cable option for Secure Firewall 2130 and 2140 fixed ports

SFP-H10GB-ACUxM

Cisco-listed 10G active copper cable option for Secure Firewall 2130 and 2140 fixed ports

SFP-10G-AOCxM

Cisco-listed 10G active optical cable option for Secure Firewall 2130 and 2140 fixed ports

Specifications

Parameter Specification Parameter Specification
Product ID FPR2140-NGFW-K9 Product type Cisco Firepower 2140 NGFW firewall appliance
Firewall model Firepower 2140 Security software role Cisco Secure Firewall Threat Defense / NGFW
Rack units 1RU rack mount Dimensions 1.73 x 16.90 x 19.76 in. (4.4 x 42.9 x 50.2 cm)
Fixed RJ-45 ports 12 x 10M/100M/1GBASE-T Fixed SFP+ ports 4 x 1/10G SFP+
Maximum Ethernet interfaces Up to 24 total Ethernet ports with network module Network module bay One network module slot
Network module options 1G SFP, 10G SFP+, and fail-to-wire options Management port 1 x 10M/100M/1GBASE-T RJ-45
Console port 1 x RJ-45 console USB port 1 x USB 2.0 Type-A
Airflow Front to rear; cold aisle to hot aisle through the I/O side SSD storage 1 x 200 GB SSD installed; second slot reserved for MSP
Power supply included Dual 400W AC power supplies Power supply options Single or dual 350W DC optional
Power redundancy 1+1 AC or DC with dual supplies AC input voltage 100 to 240V AC
AC maximum current Less than 6A at 100V AC maximum output power 400W
AC input frequency 50 to 60 Hz DC input voltage -48V to -60VDC
DC maximum output power 350W Fan design 1 hot-swappable fan module with 4 fans
Fan redundancy 3+1 redundant fan operation Mounting 4-post EIA-310-D rack rails included; optional 2-post brackets
Weight 9.53 kg (21 lb) with 2 power supplies, 1 network module, 1 fan module, and 2 SSDs Operating temperature 32 to 104F (0 to 40C)
Operating humidity 10 to 85% noncondensing Operating altitude 10000 ft maximum
Firewall throughput 20 Gbps NGFW throughput 10.4 Gbps
FW + AVC throughput 10.4 Gbps FW + AVC + IPS throughput 10.4 Gbps
IPS throughput 10.5 Gbps TLS throughput 1.4 Gbps
Concurrent sessions with AVC 3 million New connections with AVC 57000 per second
IPsec VPN throughput 3.6 Gbps Maximum VPN peers 10000
Local management Cisco Firepower Device Manager supported Centralized management Firewall Management Center or Cisco Security Cloud Control
High availability Active/standby Smart Licensing Base license included automatically; optional feature licenses managed through Smart Software Licensing
TMC license PID L-FPR2140T-TMC= TMC term options L-FPR2140T-TMC-1Y, L-FPR2140T-TMC-3Y, L-FPR2140T-TMC-5Y
Network module release check Verify the firmware package and Threat Defense software support for the selected module

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    Christian Smith
    Posted on 17/03/2026
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    Frank Sharma
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    Our deployment team had nothing to complain about. Smooth operation.

    Cheryl Hamilton
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    Layer23 provided a detailed comparison when I was unsure between two options.

    Purchasing
    Posted on 30/10/2024
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    5.0

    Big investment, but worth it for the threat defense. Vendor is reliable.

    T'Challa
    Posted on 25/07/2024
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    5.0

    Advanced technology. Secure and robust. We appreciate the discrete shipping.

Questions & Answers

  • Can an FPR2140-NGFW-K9 appliance take a 100 GB SSD, and what goes in the second drive slot?

    No. FPR2140-NGFW-K9 takes only the 200 GB SSD (FPR2K-SSD200=); the 100-GB drive is restricted to the 2110 and 2120 and the two sizes cannot be mixed. Slot 2 is reserved for the Malware Storage Pack (FPR-MSP-SSD). SSD hot swap is not supported in software, so power the appliance down before replacing a drive.
  • Which fail-to-wire port pairs work on FPR2140-NGFW-K9, and how long can traffic stop at bypass switchover?

    Fail-to-wire modules in FPR2140-NGFW-K9 support only fixed pairs: port 1 with 2 and port 3 with 4. Port 1 cannot pair with port 4. Traffic can be interrupted for a few seconds when the module switches in or out of bypass. On an FPR2K-NM-8X10G module, copper SFPs fit only in the upper or the lower row, not both.
  • What breaker rating should protect FPR2140-NGFW-K9 power supplies?

    Use a protective device rated no higher than 20 A for the AC supplies, or no higher than 40 A for DC supplies, per the Firepower 2100 hardware maintenance guide. With two supplies installed, total output reaches 800 W at most, and load is shared so that either supply can carry the system alone.
  • What wiring does a DC power supply need on FPR2140-NGFW-K9?

    Use a UL 486 listed connector with 14 AWG insulated wire stripped about 10 mm (0.39 in). Terminal polarity runs left to right: negative, positive, ground. Connect the chassis ground before installing the module, and give each of two supplies its own DC source, per the Firepower 2100 hardware maintenance guide.
  • How is an AC supply pulled from FPR2140-NGFW-K9 and what fills an empty bay?

    Unplug the power cord first, because the latch cannot release while the cable is connected. Then press the latch on the right and slide the module out. An empty bay takes the FPR2K-PSU-BLANK faceplate. When refitting, secure the cord with the accessory-kit tie wrap and clamp; the tie wrap cannot be removed without damaging it.
  • Which spare PID covers a whole FPR2140-NGFW-K9 chassis, and what does it leave out?

    The chassis spare PID is FPR2140-K9=. It ships without power supplies and fans, so order FPR2K-PWR-AC-400= and FPR2K-FAN= separately. Related spares are FPR2K-CBL-MGMT= for the cable management bracket, FPR2K-RM-BRKT= for rack brackets and FPR2K-RAIL-BRKT= for the slide rail bracket.
  • Does FPR2140-NGFW-K9 have NEBS certification, and what does a loaded unit weigh?

    No. FPR2140-NGFW-K9 does not carry NEBS certification, per the Firepower 2100 hardware installation guide. The fully equipped chassis weighs 21 lb (9.52 kg). The FPR2K-NM-8X10G module is NEBS compatible, but that does not extend certification to the chassis.

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