The hard drive uses a USB 3.2 Gen 1 interface and comes with SuperSpeed USB cable. However, the random write and read speeds will be slower depending on file, interface, and other factors. It can offer up to 130MB/s of sequential read and 124MB/s of sequential read. The WD My Passport 4TB portable drive offers fast sequential write and read speeds, which makes it easy to transfer large files.
Related: For those who don’t like this unit, check the Seagate Barracuda 3TB 7200RPM Internal Hard Drive review Performance