The USB mass storage device class
, otherwise known as USB MSC
, is a protocol that allows a Universal Serial Bus
(USB) device to become accessible to a host computing device, to enable file transfers between the two. To the host device, the USB device appears similar to an external hard drive, enabling drag-and-drop
The USB mass storage device class comprises a set of computing communications protocols
defined by the USB Implementers Forum
that run on the Universal Serial Bus. The standard provides an interface to a variety of storage devices.
Some of the devices that are connected to computers via this standard include:
Devices which support this standard are referred to as MSC
(Mass Storage Class) devices. While MSC is the official abbreviation, UMS
(Universal Mass Storage) has become common in online jargon.
Operating system support
Most current mainstream operating systems
include support for USB mass storage devices, although support on older systems is usually available through patches.
Microsoft Windows natively supports MSC since Windows 2000 (Windows NT5).
There is no native (supplied by Microsoft) support for... Read More