The HP DVD556S 8X USB Powered Slim Multiformat External DVD Writer (KZ253AA) is a sleek black external DVD writer that is powered by USB, making it easy to connect to a PC for convenient DVD writing. It has an 8x write speed and is compatible with PC computers. This model is designed to provide fast and efficient DVD writing capabilities, making it ideal for various computer tasks that require the ability to write DVDs. Its compact design and USB interface make it a versatile and user-friendly option for those in need of a reliable external DVD writer.