High Speed Memory Card The SanDisk Extreme 64GB Memory Card is an extra-high capacity Class 10 card with a super-fast transfer speed of up to 150MB/S. The quick and stable data transfer rates make it the perfect memory card for photography and video creators. Supports High Resolution 4K Video Compact and portable, the SD card is more than capable of handling the fast rates required for 4K video recording and playback. Perfect for future proofing any footage you capture and for taking advantage of the many benefits of high-resolution video recording. Durable Design Designed to be waterproof, x-ray proof, temperature proof and shockproof, the SanDisk 64GB Extreme SDXC V30 SD Card delivers peak performance in rain, hail or shine. If reliability is vital to your memory card requirements, look no further than the 64GB SanDisk 4K SDXC Extreme Memory Card.