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So how does the Reserator work then? Well, a small pump is located inside the Reserator (reservoir) that circulates the water through the cooling circuitry. Water passes through the water blocks (CPU and then GPU), it absorbs heat and transports that heat (which is now located in the coolant) back to the Reserator. When the water is discarded in the reservoir, it goes first base with the inner walls of the Reserator and begins to cool the water. Heat will follow the path of least resistance and will go wherever it is cooler.

Heat from the water is transferred to the much colder shell of the Reserator. Once the heat is transferred to the shell it will find even less resistance at the fins as fins are even cooler than the shell and then heat will dissipate into the surrounding air. With the right amount of water and the correct sizing of the surface area, you can keep the water cold enough to keep that gear of yours cooled sufficiently. And that's exactly what we'll be testing today.

Looks like a torpedo doesn't it  ? :)

6.5kg of aluminum that holds 2.5l of water, a good yet noiseless pump is inside the huge cooling shell. According to the specifications it's not the most powerful pump in the world, yet it'll squeeze 300 Liters of fluid through those tubes each hour.

Right, let's start up this little project for real. First up, a crash course in modding a NVIDIA GeForce 7800 GT graphics card...