Cisco 4GB Flash for ISR 1100
MEM-1100-4G-FLSH
Flash0MHz4GBCisco DRAM Module
RAM for Cisco ISR 1100-4G (C1111-4P)
Model Years: 2018–2024
Max RAM: 4GBRAM Slots: —RAM Type: Flash 0MHz
✓ RAM Upgradeable
Quick answer
Our data matches the Cisco ISR 1100-4G (C1111-4P) with Cisco 4GB Flash for ISR 1100 (Flash, Cisco DRAM Module, 0MHz, 4GB); N/A (LPDDR3, N/A, 1866MHz, 0GB); Cisco 8GB Flash Upgrade for ISR 1100 (Flash, Cisco DRAM Module, 0MHz, 8GB).
Supported memory profile: Flash, Cisco DRAM Module, up to 4GB max.
Before buying, confirm your exact model number, memory generation, form factor (Cisco DRAM Module), speed, and maximum supported capacity. Live eBay listings are shown below and may change.
Compatible RAM for the Cisco ISR 1100-4G
Listings and prices are pulled from eBay and may change. Always verify compatibility before purchase. Listings are updated daily.
HIGH
N/A
LPDDR31866MHz0GBN/A
Cisco 8GB Flash Upgrade for ISR 1100
MEM-1100-8G-FLSH
Flash0MHz8GBCisco DRAM Module
Frequently Asked Questions
What RAM fits the Cisco ISR 1100-4G (C1111-4P)?
Based on our compatibility data, the Cisco ISR 1100-4G (C1111-4P) supports Flash, Cisco DRAM Module, up to 4GB max. Matched modules include Cisco 4GB Flash for ISR 1100 (Flash, Cisco DRAM Module, 0MHz, 4GB); N/A (LPDDR3, N/A, 1866MHz, 0GB); Cisco 8GB Flash Upgrade for ISR 1100 (Flash, Cisco DRAM Module, 0MHz, 8GB). Always confirm your exact model number before purchasing.
How do I verify RAM compatibility?
Check that your device label or manual shows C1111-4P (or ISR 1100-4G). Confirm memory generation, form factor (Cisco DRAM Module), speed, slot count, and maximum supported capacity match the specs on this page before ordering.
Can I mix RAM speeds or capacities?
This device has a single RAM slot, so you typically replace the existing module rather than adding a second stick. Match the supported generation, form factor, and maximum module capacity.
Are these listings live and current?
Current eBay listings for compatible RAM modules are shown below. Prices and availability change frequently — verify listing details and seller ratings before you buy.
RAM Upgrade Guide for the Cisco ISR 1100-4G
This device uses Flash at 0MHz. Maximum supported capacity is 4GB.
Always power off and unplug your device before installing RAM. Ground yourself to avoid static discharge.