13 Flash Memory Cards Tested A couple weeks ago, I was talking with a couple colleagues about DSLR cameras, and invariably the topic about high speed SD and CF memory cards came up. What we wanted to know is if a high speed memory card such as the Lexar Professional 1000x CF (Compact Flash) card will actually perform better than a SanDisk Extreme 400x CF card under typical real world conditions. When looking at the price difference between the two cards, the SanDisk Extreme 400X 32GB CF card runs for about $88 while the Lexar Professional 1000x 32GB CF card runs for about $135, that’s a difference of nearly $47!
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