The PowerColor Radeon HD4850 arrived Technic3D. The new AMD Graphic Card with a SingleSlot Heatsink and a very good price better than all the other Graphic Cards? Technic3D will see the RV770 Chip in the following Review with 2560x1600 up to 1280x1024 against the GTX280, 9800GX2, HD3870X2 CrossfireX and many more on Windows Vista.