Cisco 8400 Series Secure Routers

Updated: July 25, 2025

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Introduces the Cisco 8400 Series Secure Routers, detailing hardware features, supported transceivers, and power supply specifications for comprehensive understanding of platform capabilities.

The Cisco 8400 Series Secure Routers are optimized for campus edge deployments. These routers are powered by a secure networking processor to accelerate encryption and threat protection throughput.

This document covers hardware installation-specific details only for the following routers:

C8475-G2
C8455-G2

For more information on the features and specifications, refer to the Cisco 8400 Series Secure Routers datasheet.

Features

This section describes the hardware features of the Cisco C8400 Series Secure Routers.

Table 1. Different features of Cisco C8400 Series Secure Routers
Feature	C8455-G2	C8475-G2
Ethernet Ports	8x 1GE SFP 2x 10GE SFP+ 2x 25GE SFP28	8x 1GE SFP 8x 10GE SFP+ 4x 25GE SFP28
Rack Unit	1RU	1RU
System Memory (DRAM)	32GB DRAM	Default: 32GB DRAM Upgrade option: 64GB DRAM Note The upgrade option is supported from the Release 17.18.3a.
Storage	Default: 32GB M.2 USB Upgrade Options: 600GB, 2TB M.2 SSD	Default: 32GB M.2 USB Upgrade Options: 600GB, 2TB M.2 SSD
Boot Flash Storage	32GB	32GB
Management Interface	1x RJ45 10/100/1000 Mbps	1x RJ45 10/100/1000 Mbps
ConsolePort	1x RJ45 1x USB Micro-USB (Type B)	1x RJ45 1x USB Micro-USB (Type B)
USB Ports	1x USB 3.0 Type-C	1x USB 3.0 Type-C
Rack Installation	19 inch or 23 inch rack mount	19 inch or 23 inch rack four-post rack mount

Supported transceivers

1GE SFP ports: Supports multi-rate up to 1GE interface. Auto-negotiation is supported.
10GE SFP+ ports: Supports dual-rate 1GE or 10GE interface. Auto-negotiation is not supported.
25GE SFP28 ports: Supports dual-rate 10GE or 25GE interface. Auto-negotiation is not supported.

Power supply

The Cisco 8400 Series Secure Routers have dual PSU slots and includes redundant PSUs by default.

This table lists the supported power supply PIDs for the different input types:

Table 2. Power supplies and PIDs
Input-type	Input	C8455-G2	C8475-G2
AC	100 to 240 VAC	PWR-CH1-250WAC	PWR-CH1-400WAC
DC	+48 to +60 VDC -48 to -60 VDC	PWR-CH1-400WDC	PWR-CH1-400WDC
HVDC	100 to 277 VAC 240 to 380 VDC	PWR-CC1-400WHV	PWR-CC1-400WHV

Note

The Cisco 8400 Series Secure Routers can support two AC, DC, or High Voltage AC or DC (HVDC) power supplies. Do not install mixed AC and DC power supply units in the same chassis.

Table 3. DC power supply requirements
System Input Rating (Amps)	Circuit BreakerAmps		AWG # Wire
System Input Rating (Amps)	Minimum	Maximum	AWG # Wire
15A	20	30	14

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