Asus GX700 deep-dive: Here’s what’s inside the world’s first water-cooled … – PCWorld

Asus’ GX700 gaming laptop sure turned a lot of heads when it was introduced at the IFA trade show, but the reason wasn’t the hardware—or at least, it wasn’t the type of hardware that people usually fawn over.

Sure, the GX700 has an overclockable, quad-core Skylake Core i7-6820HK CPU, Nvidia’s bad-ass GeForce GTX 980, a buttery-smooth G-Sync panel, and up to 64GB of DDR4 RAM, but the real story on this laptop is the water-cooling.

Yes, a water-cooled laptop. We’ve known about the water-cooling existence since the laptop’s first unveiling, but Asus is starting to finally spill some details on how it works.

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The water-cooling dock contains two 90mm radiators, fans, a pump and reservoir. 

How it works

If you’ve seen pictures of the GX700’s bulbous rear-end, you know the water-cooling’s not exactly portable. Asus knows this, of course, so the water-cooling can come undocked. The question is how did the company pull it off?

The dock itself contains all of the liquid-cooling components. There are two 90mm radiators and fans under the vents, along with a pump and reservoir. The liquid-cooling dock connects to the laptop using a pair of quick-disconnects. You can see them in the image below.

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Here’s a close up of the power and liquid inlets on the GX700.

To mate the laptop, you slide it onto several guidance pegs and then push it down, where it locks in place. Asus said it spent extra engineering resources to make sure you can’t screw it up, and the company doesn’t expect people to be able to.

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The dock insludes the nozzles and more pegs to ensure proper alignment with the laptop.

Once once you’ve locked the laptop in place, the quick release nozzles open up and the liquid flows into the laptop. One question I have is how well those quick release nozzles seal. I’ve used them on custom water cooling loops in the past and there’s usually a drip or two leaking out after they’re disconnected. On the GX700 I decided to see if I could reproduce that by doing removing and inserting the GX700 from the dock 10 to 15 times. Even after that many attempts, I couldn’t get one single drip to spill.


The GX700 is, of course, a Republic of Gamer laptop.

Still, Asus does anticipate possible maintenance at some point: Even without the liquid dripping out on occasion, water goes away over time. Asus officials said the laptop will be able to alert you if the reservoir gets too low.


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