Asus ROG Matrix RTX 4090 to Launch Next Week – Next Overclocking Champion?

Asus is set to launch its new flagship ROG Matrix GeForce RTX 4090 graphics card next week, 19th September 2023.

Credit: Asus

The graphics card’s board was announced at Computex, at the time Asus only shared that it uses an innovative closed loop cooling system, using an unnamed liquid metal thermal interface. In the meantime, the product has nearly reached legendary clock speeds of 4GHz, which is an industry first.

This new graphics card is one of the most mysterious products recently introduced. We know it carried the Nvidia AD102 GPU (graphics processing unit) and boasts 24GB of GDDR6X memory. Asus has been keeping their cards close to their chests about out-of-box clock speeds for both the GPU and RAM, instead focusing on its custom PCB (printed circuit board) with a sophisticated voltage regulating module and its cooling system with a liquid metal thermal interface.

What sets this new offering from Asus apart from the rest is the use of a special ingredient: a liquid metal thermal interface material (TIM). Liquid metal TIMs are usually made of gallium for tis high thermal conductivity, although Asus has not confirmed what liquid metal TIM they are using, it’s likely an amalgam of gallium and other metals.

While liquid metals are excellent TIMs, they also have their own dangers. Metals like Gallium are very corrosive to certain metals like aluminium. Liquid metals are also electrically conductive, so without extreme care – it is possible to get it on the PCB and cause electrical shorting.

Despite the aforementioned challenges, Asus remains confident in their ability to pull off liquid metal TIMs, they have been using liquid metal TIMs in laptops for years and are confident this will translate well into graphics cards.

We already know the Asus ROG Matrix GeForce RTX 4090 can hit nearly 4GHz with liquid nitrogen so we will learn next week what it is capable of with a slightly more conventional liquid cooling system and liquid metal TIM.

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