This Komputerbay 64GB Compact Flash memory card allows you to download and store a huge number of photos, music, videos, and other media files to your Compact Flash-compatible electronic device. The card can be used in digital cameras, digital camcorders, and other Compact Flash-enabled devices. Komputerbay Compact Flash memory cards provide an easy to use, high performance storage solution for all your data files so you don't need to worry about running out of memory.Ultra Speed The 600X speed rating ensures that the data stored on your card can be recorded, played back, and transferred quickly and easily, granting you full access to all your images, videos, and other files with little delay!Ultra CompatibilityCompatible not just with cameras, but with any device with an Compact Flash slot, this card can be used with an array of different modern devices as a shared file storage and transfer medium.Ultra ReliabilityBacked by a lifetime limited guarantee, you can have confidence in the quality of your card and its ability to withstand some of life's toughest conditions to continue to provide you with a long-lasting, reliable memory storage solution throughout its own lifetime and that of your Compact Flash compatible device.Please check compatibility with your device or its manufacturer. IMPORTANT NOTE: The Nikon D800/D810 Camera's firmware currently only supports 32GB Compact Flash Cards manufactured by Sandisk or Lexar.