USB mass storage device class
USB DEVICE CLASS FOR DRIVES
USB Mass Storage Rationale; USB mass storage interface; USB storage; USB Mass Storage; MSDC; USB Mass Storage Device; USB Mass Storage Device Class; USB mass storage device; Usb mass storage; USB mass storage; USB MSC; USB Mass Storage Device class; USB server; USB mass-storage device class; USB Mass Storage Bulk-Only Transfer
The USB mass storage device class (also known as USB MSC or UMS) is a set of computing communications protocols, specifically a USB Device Class, defined by the USB Implementers Forum that makes a USB device accessible to a host computing device and enables file transfers between the host and the USB device. To a host, the USB device acts as an external hard drive; the protocol set interfaces with a number of storage devices.