Silent dust free and more powerful the hs 251 powered by a quad core intel celeron 20ghz processor was created as a silent nas solution that allows users to enjoy files and media with no distractions providing a perfect match for home theater enthusiasts and audiophiles looking to maximize their audiovisual experience and users who wish to constantly run their systems without any background noise coupled with the support of hdmi connectivity for 1080p video playback and hardware transcod