Sandisk Extreme Pro Micro SD 200 MB/s C10 U3 V30 A2 4K 2TB 256G 1TB Memory Card UHS-I Micro SD TF Card For DJI Camera

Regarding practical abilities32 GB=approximately 28 GB-29 GB64 GB=approximately 58 GB-60 GB128 GB=approximately 119 GB-120 GB256 GB=approximately 227 GB-238 GB512 GB=approximately 455 GB-476 GB1 TB=approximately 950 GB-960 GBThis is the calculation difference between the manufacturer and your PC. For more information, please search for 'storage card capacity' on Google.Your computer says 1GB=107374182.4 billion bytes, and the market defines 1GB as 1 billion bytes.The steps to verify the storage card capacity and speed.(1) Oh. Use a high-quality USB 3.0 card reader to verify all storage cards through H2TestW on the computer.A real storage card must pass H2TestW without any errors.(2) Oh. Do not use cheap card readers to test microSD cards, low-quality card readers will slow down the speed of microSD cards.(3) Oh. The speed of Micro SD memory cards is severely affected by the card reader and the capacity, USB port, and other factors you choose. Low quality devices will reduce the card's speed to 100%, with 1 MB=1000 KB.New updates enjoy high-speed performanceConvenient and fast for taking mobile photos or recording 4K high-definition videos.You can shoot more and enjoy higher transmission speeds.