Lexar RW540 microSD Express hukommelseskortlæserLexar RW540 microSD Express Memory Card Reader The Lexar RW540 microSDXC (micro Secure Digital eXtended Capacity) Express Card Reader is the solution for users who want the highest performance from microSD Express cards. Thanks to its USB 3. 2 Gen 2 (Universal Serial Bus 3. 2 Generation 2, the second generation of the high speed data transfer standard) interface and support for microSD Express cards, the device can read data at speeds of up to 900 MB