Western Digital is introducing a new flagship portable SSD today under the SanDisk Professional brand. The PRO-G40 dual-mode PSSD ticks all the right boxes for prosumers, content creators, and studios looking for a high-performance rugged bus-powered portable storage drive with wide compatibility. We have put the 2TB version of the PRO-G40 through our rigorous direct-attached storage evaluation. Read on to find out how the new PSSD stacks up against the competition.