Cisco Firepower 4110 Hardware Installation Guide

Serial Number Location
The serial number for the Firepower 4100 series chassis is located on the pullout asset card on the front panel.
Figure 3: Serial Number on the 4100 Chassis
You can also view additional model information on the compliance label located on the bottom of the chassis.
Cisco Firepower 4110, 4120, 4140, and 4150 Hardware Installation Guide
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Overview
Serial Number Location

Cisco Firepower 4110 Specifications

General

Brand	Cisco
Model	Firepower 4110
Category	Firewall
Language	English