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EK-Supremacy KIT H3O 360 HFX Components

EK-CoolStream RAD XTX 360 Radiator and GELID Silent 120 Fans

The fundamental component of any liquid-cooling system is the radiator. EKWB engineers weren’t shy and bundled their kit with a large EK-CoolStream RAD XTX 360 radiator. It is packed into an individual box, which contains just as little information on it as the large box:

 

The radiator comes with two sets of screws and a guide warning you about possible radiator damage from the use of long screws:

EK-CoolStream RAD XTX 360 radiator is designed specifically for enthusiasts and is positioned for systems with very high heat dissipation from several different components at the same time. This is what it looks like:

As we can see, this radiator is pretty large. It measures 400x130x64 mm. You can take a closer look at the following layout schematics for more information:

EK-CoolStream RAD XTX 360 weighs almost 1.5 kg (1496 grams, to be more exact) and that is without fans or coolant. This is a truly massive product.

The radiator has classical design for its type: two aluminum side panels with thirteen copper channels and copper perforated “comb” soldered to them:

The actual radiator body is 50 mm wide and the large gaps between the copper comb fins make it ideal for high-speed as well as low-speed fan modes. The EK-CoolStream RAD XTX 360 radiator can accommodate up to six 120x120 mm fans. The thickness of the fans is only limited by the length of the retention screws and the fan manufacturers’ standards :)

There is a special hole at the top of the radiator, which can be used to pour the coolant in or out of the system:

There are two holes for G 1/4 fittings at the bottom of the radiator:

It is important to mention that the radiator is designed to withstand the pressure of 1 bar and if purchased separately EK-CoolStream RAD XTX 360 will cost you € 94.96.

EK-Supremacy KIT H3O HFX kit includes three EK-FAN Silent 120 fans 120x25 mm in size. They are packed in individual boxes with the same design as the rest of the liquid-cooling system components:

They look quite ordinary: black frame and black impeller with seven classically shaped blades:

 

If we take a closer look at the stator we can notice that the fans come from GELID – a cooling components maker we are very well familiar with already:

All three fans rotate with constant speed of 1600 RPM, although our monitoring tools reported the speed of 1460 RPM. These fans do not support PWM or any other rotation speed control methods. Besides, there are no cables, which could allow connecting all three fans to a single power and monitoring connector. This could be the only shortcoming we could find about EK-Supremacy KIT H3O HFX system. But, let’s not get ahead of ourselves here. Getting back to the fans, we should mention that their fluid dynamic bearing should last 50,000 hours or over 5.7 years of non-stop usage.

 
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