Cisco Firepower 2140 Deployment Guide

The Sticker on the Chassis
Firepower 1010: The serial number is on a sticker on the bottom of the device:
Firepower 1100: The serial number is on a sticker on the back of the device or on the bottom of the device:
Firepower 2100: The serial number is on a sticker on a pull-out tab on the front of the device:
Firepower Easy Deployment Guide for Cisco Firepower 1000 or 2100 Firewalls
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Firepower Easy Deployment Guide for Cisco Firepower 1000 or 2100 Firewalls
Find Your Device's Serial Number

Cisco Firepower 2140 Specifications

General

Model	Cisco Firepower 2140
Category	Firewall
Firewall Throughput	20 Gbps
Power Supply	Dual, Hot-swappable
Firewall Throughput (Maximum)	20 Gbps
Firewall Throughput (Application Visibility and Control AVC)	10 Gbps
Form Factor	1 RU
Memory	32 GB
Operating System	Cisco Firepower Threat Defense (FTD)
Maximum Concurrent Sessions	4, 000, 000
Network Interfaces	8 x 1G/10G SFP+
Concurrent Sessions	4, 000, 000
Interfaces	8 x 1G/10G SFP+
Throughput	20 Gbps