DESC: The IBM USB Portable CD-ROM Drive reads CD-ROM, CD-R, and CD-RW media. This option easily connects to a USB port found on most of today's desktops and laptops, such as the ThinkPad 240. This portable CD-ROM drive also connects to the new IBM Multi-Port USB Hub that provides additional USB ports. The IBM USB Portable CD-ROM Drive takes its low power requirements from the USB port. Therefore, no external power adapter is required, making this CD-ROM drive fully mobile.