The CompUSA DUAL 9 in 1 internal/external MEDIA reader/writer is a versatile card reader designed for computer components and parts. With the model number P4UI WWM, this product allows users to easily access and transfer media files from a variety of sources. Its compact form factor makes it easy to integrate into computer systems, providing a convenient solution for reading and writing multiple types of media storage devices. Ideal for those needing a reliable and efficient media reader/writer for their computing needs.