Cisco Flash Memory Card - 256 MB - CompactFlash Card (MEM-C6K-CPTFL256M=)
Cisco Approved MEM-CF-256MB - 256mb Compact Flash for Cisco 1900, 2900, 3900 ISR. This is a Cisco approved part, which means it is made by Cisco's designated OEM. Flash modules are usually labeled with the Cisco logo, while DRAM modules are by 'Approved' manufacturers only (e.g. SMART, Samsung, Micron) and may not be Cisco labeled.