Feature : X200 Read Rate: Up to 450MB/S. Write Rate: Up to 420MB/S. Speed data from Kodak offical website.Speed depends host device, interface, usage conditions and the type of your device. X200 PRO: Read Rate: Up to 2000MB/S. Write Rate: Up to 1800MB/S. Please use X200 PRO on the device with USB3.2 GEN 2 or thunder port , otherwise the speed will be Slower. Speed data from Kodak offical website.Speed depends host device, interface, usage conditions and the type of your device. Support System: Windows 11, 10, 8, 7, Vista, XP / Mac OS 10.4 or higher / Linux 2.6.31 or higher. Support Device: Computer/Laptop/TV/TV Box/Car Media Player/Android Smartphone(With OTG Function) and etc. About use: Plug and play (no software needed) Interface type: Type C USB3.1/USB3.0(Compatible) /USB2.0(Compatible). Body: Dustproof,Shockproof,unique honeycomb design. Weight: 38g weight(net weight) Size : 90.5mm (L) x 45mm (W) x 10mm (H). In package:PSSD*1/USB Cable*1/ Manual *1. The flash memory suppliers are using decimal arithmetics: 1 MB = 1000 KB, 1G = 1000 MB calculated, but the operating system is using binary arithmetic: 1 MB = 1024 KB, 1 GB = 1024 MB. Therefore, there are some differences between display capacity and the nominal capacity of flash memory products.