High-performance bus-powered direct-attached storage units have become very popular, thanks to the advent of high-speed interfaces and technologies such as USB 3.2 Gen 2, NVMe, and 3D NAND flash. Flash manufacturers such as Western Digital / SanDisk, Crucial (Micron), and Samsung produce and market external solid-state drives (SSDs) under their own brand. In addition, manufacturers such as Patriot Memory also buy flash in the open market and bring their own value additions to the external SSD market. Today, we are taking a look at Patriots PXD external SSD.