Cisco MEM-CF-512MB 512MB Compact Flash Card
Cisco Approved MEM3800-512CF - 512mb Flash Memory for Cisco 3825 & 3845 Routers. 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.