Quick tech specs
- Flash memory card
- CompactFlash
- 1921 4-pair
- 1941
- 2911
- 2951
- 3945
- 512 MB
- for Cisco 1921
- 1921 ADSL2+
- 2901
- 2921
- 3925
Know your gear
MEM-CF-256U512MB compact flash is guaranteed to be compatible with your system and to work right the first time. Adding additional memory is a great way to increase the performance of your system.