SanDisk High ENDURANCE Micro SD Card 128GB 256GB 512GB 1TB 2TB High-speed Read and Writing Video Surveillance U3 V30 4K for Drones

128GB = approximately 116GB-120GB256GB = approximately 232GB-240GB512GB = approximately 465GB-480GB256GB = approximately 930GB-960GBThis is calculation difference between manufacturer and your PC, please Google 'Memory card capacity' to get more information.Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1GB = 1.00 Billion bytes.Package Contents:SanDisk Memory Card with Retail Package*1Speed based on internal testing. Actual performance may be lower depending on the device, interface, usage conditions and other factors.1MB=1,000,000 bytes. 1GB=1,000,000,000 bytes. Actual user storage less.SanDisk Extreme microSD CardThe competitive boost you needGear up and play fiercely with the SanDisk Extreme microSD card for mobile gaming.The Speed You NeedWith read speeds up to a blazing 190MB/s and write speed up to 130MB/s, you can chase more victories and crush the competition.Plays as Hard as YouDon’t let lagging graphics slow you and your game down. Our gaming card offers high-performance speeds to support demanding AAA/3D/VR game graphics and 4K UHD video.