This table represents those cards tested with E-520 and known to be compatible.

CompactFlash by Lexar Media

CompactFlash by SanDisk

CompactFlash by Lexar Media Series name Model name Capacity Professional CF 512-80-380 512MB CF 1GB-80-380 1GB CF 2GB-80-380 2GB CF 512-80-637 512MB CF 2GB-80-637 2GB CF 1GB-133-380 1GB CF 2GB-133-380 2GB CF 4GB-133-380 4GB CF 2GB-300-810 2GB CF 4GB-300-810 4GB CF 8GB-300-810 8GB

CompactFlash by SanDisk Series name Model name Capacity Ultra Ⅱ SDCFH-1024-903 1GB SDCFH-2048-903 2GB SDCFH-4096-903 4GB Extreme Ⅲ SDCFX3-1024-903 1GB SDCFX3-2048-903 2GB SDCFX3-4096-903 4GB SDCFX3-8192-903 8GB Extreme Ⅳ SDCFX4-2048-903 2GB SDCFX4-4096-903 4GB SDCFX4-8192-903 8GB