The USED Hewlett Packard DVD 300E/XE DVD Writer is an external drive designed for use with laptops and PCs. It features a 16x write speed and is compatible with both USB and FireWire 400 interfaces. This DVD writer can read and write DVD+RW and DVD+R formats, making it a versatile option for those in need of a reliable external DVD drive. Additionally, it comes with a power cable included, though it has not been tested for functionality.