Today VR-Zone Hardware brings you a review of HIS Excalibur Radeon X800 Pro VIVO can be considered as one of the most sought after card now featuring X800 Pro GPU with 256MB GDDR3 memory and VIVO functionality. Certainly, with price lower than that of the X800 XT PE and the ability to turn into a full fledge X800 XT PE will make the hardware enthusiasts to go wild.