Active Hardware made a review of Soyo's P4X400 Dragon Ultra socket 478 DDR400 motherboard :
There is no doubt in our minds that the Soyo P4X400 Dragon Ultra is a prime piece of silicon and fiberglass. It is extremely versatile, is loaded with features, and is well equipped to satisfy the needs of a wide range of users. In our opinion, the P4X400 Dragon Ultra would make a great centerpiece in any end-user's system. Our hats go off to Soyo, and we're proud to give their newest creation our highest award, and recommendations.