SDHC and SDXC SanDisk SD Extreme Pro memory cards deliver fast speed for great reliability and performance with clear image and 4k UHD video recording, read speeds of up to 170MB/s speed and write speeds of up to 90MB/s so moving your data is fast and efficient for all your post-production needs. Great for professionals or hobbyists looking to improve. Water proof, temperature proof, shock proof, X-ray proof. Compatible with Canon Digital or Mirrorless Cameras such as Canon R6, Canon R5, EOS M6 Mark II, EOS 90D, EOS R, and EOS RP. Bundle includes (1) 256 GB SD Extreme Pro SanDisk memory card and (1) Everything But Stromboli 3.0 SD and Micro (TF) Card Reader.