High-speed TF to CF card holder, Interface thin card CF type i Compatible: support for microsdxc/microsdhc/Micro-sd, support 512GB, support UDMA mode. Support all cameras, computers and other devices that use CF cards TF+CF card set=CF card Does not support for Fuji cameras, for Olympus cameras and some Canon compact cameras; for SONY Alpha series cameras are not compatible! There is no maximum capacity limit for the card sleeve, but the limit speed is only 25M per second, the key depends on the speed of the memory card and the support and limitations of the end-use machine Specification parameters: CFi size Interface form: CF interface Type I Support memory: support 512GB. Voltage: 3.3V material: plastic Color as shown Precautions: Depending on the device used, and the speed of the for MicroSDHC, the speed will vary. Depending on the performance of for MicroSD and for MicroSDXC, sometimes there will be no action. The data in for MicroSD or for MicroSDXC is not guaranteed. Please back up important data. This product does not include a for MicroSD or for MicroSDXC card. When using for MicroSD or for MicroSDXC, please format it on the camera. Package Contents: 2 x SD to CF card holder