256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR, compatible Compatibility: Network hardware Designed For: Cisco 1921, 1921 4-pair G.SHDSL bundle, 1921 ADSL2+ Annex M Bundle, 1921 ADSL2+ Bundle,
Ref: MEM-CF-256U512MB
256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR, compatible Compatibility: Network hardware Designed For: Cisco 1921, 1921 4-pair G.SHDSL bundle, 1921 ADSL2+ Annex M Bundle, 1921 ADSL2+ Bundle, 1921 SEC T1 Bundle, 1941, 1941 Mobile Wireless, 1941 Security, 1941 Security Bundle, 1941 SRE Bundle, 2901, 2901 Security Bundle, 2901 SRE Bundle, 2901 Voice Bundle, 2 Form Factor: CompactFlash Card Manufacturer: Cisco 3rd Meraki 3rd Product Type: Flash memory card Storage Capacity: 256 MB Version: Third Party || compatible , Third Party || compatible