What hard disk is sec731?

what is p>sec731? the hard disk is a solid-state hard disk, which is a solid-state disk of western digital, and the interface is M.2NVMe Solid-state hard disk, also known as electronic hard disk or solid-state electronic disk, is a hard disk composed of control unit and solid-state storage unit. The interface specification and definition, functions and usage of solid-state hard disk are the same as those of ordinary hard disk, and the product appearance and size are also the same as those of ordinary hard disk. Because the solid-state hard disk has no rotating medium of ordinary hard disk, it has excellent earthquake resistance. The working temperature range of the chip is very wide (-4~85℃). Widely used in military, vehicle, industrial control, video monitoring, network monitoring, network terminals, electric power, medical care, aviation, navigation equipment and other fields.