128GB storage capacity lets you record and store more photos and videos without interruption Read speeds up to 240MB/s allow fast data transfer so you can spend less time waiting Write speeds up to 120MB/s support capturing high-resolution bursts and slow-motion Full HD with precision Capture 4K UHD video and high‑resolution stills, plus Full HD slow‑motion and continuous burst Video speed class ratings of U3 and V30 help ensure stable 4K UHD and Full HD recording Easily back up, organize, and transfer photos and videos with the SanDisk Memory Zone desktop app Card is temperature proof, humidity proof, waterproof, shock proof, drop proof, magnet proof, X-ray proof, and wear-out proof for added durability