The 2900 XT Toxic. Source: Sapphire.
Like a number of AMD partners, Sapphire introduced its version of the new Radeon HD 2900 XT graphics card today. However, Sapphire has another model up its sleeve
. Dubbed Sapphire HD 2900 XT Toxic, this other model will come bundled with a custom water-cooling system that can fit inside a system's 5.25" drive bays. The water-cooling system integrates a reservoir, pump, and radiator, and Sapphire boasts that it's powerful enough to cool "not just the graphics card, but optionally a CrossFire pair of SAPPHIRE HD 2900 XT cards, the system CPU or other components."
This fancy water-cooling system isn't the Sapphire HD 2900 XT Toxic's only interesting trait, though. Sapphire says the card will also come with 1GB of GDDR3 memory clocked at an effective 850-860MHz, up from the standard card's 512MB of 825MHz GDDR3 RAM. Additionally, the Sapphire HD 2900 XT Toxic will be "factory overclocked" to 15% above stock clock speeds. Considering the standard 2900 XT runs at 742MHz by default, that 15% overclock should bump it up to a whopping 853MHz. Sapphire isn't making this card available just yet, though—it says we can expect it "in the coming weeks."