TOXIC SAPPHIRE X1900 XTX Overview Go Bold and Step Into The Cold with the Sapphire TOXIC! Experience something bold and step into the cold with the Sapphire TOXIC X1900 XTX! Demonstrating pure innovation in design, SAPPHIRE's TOXIC X1900XTX liquid cooling system unlocks the potential of the industries fastest core technology and shatters performance records. Equipped with a low profile one-slot, self-contained water cooler the SAPPHIRE TOXIC affords the enthusiast both ultra silent operation, due to the silent but powerful 12V mini pump, and the extreme in cooling with a Pure Copper Water Block! The TOXIC X1900 XTX ships pre-filled with coolant so there is no concern over installation, leaving you with only one concern, how far you can push the performance threshold of your system. Built upon technologies such as: the Ultra-Threaded Shader Engine, providing support for DirectX 9.0 Shader Model 3.0, SmoothVision for a world devoid of jagged edges, Avivo™ video and display technology that delivers movies, games, and photos in high-definition with stunning color and realism, as well as ample 512MB of onboard memory and impressive clock speeds, the SAPPHIRE TOXIC X1900 XTX will inspire you to go bold and step into the cold! Dual DVI Video-In and Video-Out 2 Sapphire Select Unlock keys Speed adjustable transparent blue LED fan (18/26dBA at 2000/2500RPM) Pure Copper Water Block for superior heat conductivity