Komputerbay 64GB High Speed Compact Flash CF 266X Ultra High Speed Card 36MB/s Write and 37MB/s Read Komputerbay 64GB High Speed Compact Flash CF 266X Ultra High Speed Card 36MB/s Write and 37MB/s Read Limited lifetime warranty Min 36MB/second sequential read and Min 36MB/second sequential write. Universal low cost data storage and communication media. Designed to meet the critical speed performance needs of serious professional photographers. Advanced file management COMPATIBLE WITH DSLR, SLR AND OTHER HIGH END CAMERA'S Comes with free plastic compact flash case