Lot of 2 x 512MB Cisco 3825 3845 Router Genuine Original RAM ,15-9165-02 | eBay
M-ASR1K-1001-4GB | Cisco Memory | ASR 1000 Series - NetworkTigers
MEM2600XM-64D 64MB DRAM Memory for Cisco Router 2600XM Series (PARTS-QUICK Brand) at Amazon.com
CMS 512MB (1X512MB) DDR1 2100 266MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Cisco® 2811 Router Main Memory DMemory Ram Upgrade2811-512D for Server Only - C89 at Amazon.com
parts-quick 256MB Kit 2 X 128MB DRAM Memory for Cisco Router 2610XM Cisco Router 2611XM Cisco Router 2620XM Cisco Router 2621XM Cisco Router 2650XM Cisco Router 2651XM. Equivalent to MEM2600XM-128D at Amazon.com
MEM2811-512D= 512MB DRAM Memory for Cisco 2811 Router (KeyStron) – Keystron
Different types of memory in Cisco Device | Best Explained
CMS 512MB (1X512MB) DDR1 2100 266MHZ ECC Registered DIMM Memory Ram Upgrade Compatible with Cisco® 2811 Router Main Memory DMemory Ram Upgrade2811-512D for Server Only - C89 at Amazon.com
ISR1100-6G Cisco ISR1100 Router 4 GE LAN/WAN Ports and 2 SFP ports 4GB RAM (