Supports SD & microSD(TF) Card: With a SD and a microSD slots, UA430D sd card reader support SD，SDHC、SDXC，microSD、microSDHC、microSDXC cards up to 2TB. USB 3.0 Type-C&A: Equipped with USB-C&A 3.0, you can plug it in almost all devices and enjoy the upload speeds up to 5 Gbps UHS-I for Faster Transmit: UA430D supports UHS-I, making you enjoy the reading speeds up to 200 MB/s for a higher efficiency Dual Card Reading/Writing Simultaneously: Double your productivity by having simultaneous SD card and microSD access. Eliminate the need to constantly plug things in and out and enjoy quick photo downloads, fluid video editing, and quick file transfers for 3D printers. Plug and Play with Universal Compatibility: Just plug and use without any complex step on your USB-C or USB-A devices like desktops, laptops, phones and tables which support Mac OS, Windows, iPadOS, iOS, Android, Linux OS, and Chrome OS.