A new technique has been revealed that uses liquid metal to cool high-end graphics cards, giving greater reliability and faster processing.
The system uses liquid metal moved over the graphics processor via an electromagnetic pump. It evaporates and is recondensed within the system to give thermal transfer rates over 65 times better than water, according to its creator Sapphire Technologies.
"Liquid metal is non-toxic, non-flammable and completely environmentally safe," said a spokesman for Sapphire.
"Our new cooler is a compact, low-profile design using only one additional PC slot. Filled and sealed, it requires no user intervention, no reservoir or refilling and it is card-resident so it requires no additional mounting space."
The first cards to use the system, the Blizzard Radeon X850 XT and X850 XT Platinum Edition, will be released in July. Sapphire is to extend the technology to other cards as soon as possible.
No details of the actual fluid used are available at present, but it is thought to be some kind of metal/polymer hybrid.
Graphics card cooling is becoming an increasing problem for manufacturers, as the processors run faster and hotter.
Water cooling is used in certain cases and in 1999 defunct PC manufacturer Carerra sold a Freon-cooled gaming PC, but this is the first time liquid metal has been used in a standard PC format.
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