Zectron High Speed Compact Flash High Speed Memory Card for Canon EOS-10D, EOS-1D, EOS-1D Mark II, EOS-1D Mark II N, EOS-1D Mark III, EOS-1Ds, EOS-1Ds Mark II, EOS-1N, EOS-20D Digital, EOS-300D, EOS-30D, EOS-350D, EOS-40D, EOS-5D, EOS-D30, EOS-D60, EOS-DCS 5, EOS-DCS2000, DIGITAL CAMERA Zectron Digital 32GB High Speed CF Compact Flash Memory Card x 300 5 year warranty Data is not lost when power is turned off Transfer Rate: 45 Mbp/s Max speed rating: 300x Super-high speed USB 3.0 data transfer rate (when used with a compatible USB Card Reader) and Fully compatible with the SDA 2.0 specification