SDCFXS-064G-AFFP SanDisk Extreme 64GB Compact Flash Memory Card UDMA Fast transfer speeds up to 120MB/s(read) for increased workflow efficiency Fast shot speeds up to 60MB/S (write) for faster continuous burst shooting Video Performance Guarantee (VPG-20) performance for Full HD video Tested for durability in extreme conditions Sealed with RTV silicone for added protection against shock and vibration Shoot like a Pro with the most trusted flash memory brand worldwide