High Capacity Professional Endurance Wintec FileMate Professional CompactFlash (CF) memory cards offer high speed, reliable, and extreme resolution image capturing for enthusiast and professional photographers. Designed to work seamlessly with today's most popular DSLR cameras, the Professional family CF cards are great for capturing action burst images with write speeds of up to 45MB/s and ultra fast read speeds up to 90MB/s. Available in capacities up to 128GB, storage space and capturing images at extreme high-resolution settings is worry free. Smart Reliability and Extended Lifetime Built to withstand long-term and high frequency usage, Wintec FileMate Professional CompactFlash cards have Wear Leveling (WL) technology that enhances the controller's ability to evenly distribute data write cycles throughout the entire card. Larger storage capacity combined with WL technology ultimately extends the lifetime of the Professional series CompcactFlash cards.