ASUS Radeon X1950 CrossFire, GDDR4, 256 bit, 2000 MHz, 2048 x 1536 pixels ASUS Radeon X1950 CrossFire. Processor frequency: 650 MHz. Graphics card memory type: GDDR4, Memory bus: 256 bit, Memory clock speed: 2000 MHz. Maximum resolution: 2048 x 1536 pixels. DirectX version: 9.0 http://www.motherboards.org/reviews/hardware/1698_1.html With the release of Microsoft Vista along with DirectX 10 last month, the PC industry is in a bit of flux as to the video card chipsets. NVIDIA has launched their DirectX 10 video chip, the 8800, but their Vista drivers aren't yet up to par. Intel is m... The X1950XTX and X1950 Crossfire Edition cards are designed to work together and despite my misgivings about the Crossfire cable, the combination of a X1950 Crossfire Edition + x1950XTX or X1900XTX card work together well in both Vista and XP, deliveri...