Cisco Router Memory Upgrade Configurator - choose your Model:

1751/1760 (Flash Memory)
1751/1760 (Main Memory)
1841
2501
2502
2503
2504
2505
2506
2507
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2600XM Series
2811
2821/2851
3640 Series
3825/3845
7200 Series NPE-G1
7301 Series