SanDisk 64GB EXTREME CF Card (SDCFX-064G-A61)Extreme capacities give you more room for capturing RAW+JPEG, sequential bursts and high definition video files on 8GB, 16GB and 32GB CompactFlash cards Extreme intelligence of SanDisk's proprietary Power Core controller distributes data across the card more rapidly and efficiently; the UDMA 6 interface allows for maximum data transfer between card and camera Extreme endurance The SanDisk Power Core controller's firmware algorithms through wear