Samsung USB Flash Drive DUO Plus: Strong performance, high compatibility and proven reliability. The Samsung DUO Plus USB Flash Drive offers its flexibility in application with fast transfer rates of up to 400 MB/s and high capacity up to 256 GB. Thanks to the 3rd 1 interface can be easily and time-saving. Two ports for high compatibility. With Samsung’s DUO Plus series, data can be quickly and reliably transmitted via USB Type-C and Type-A ports. Thus, a flexible use on PC, notebook, smartphone and tablet is given. You can rely on this USB flash drive. Samsung also relies on NAND flash memory from our own production for proven reliability and durability. Thanks to the 5-fold protection, the UFD can withstand some environmental influences.