No, it’s not really a Dreamcasr PC from Sega, but just a case mod created by AkibaPC. The Dreamcast PC packs an AMD mini-ITX mainboard with 780G Chipset, 4GB of RAM, 160GB hard drive and ATI Radeon HD 3200 graphic card. It comes with a Sony-NEC Blu-ray drive and offers four USB port and a HDMI output.
More photos after the cut: