Articles: Cooling

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Design and Functionality

CoolIT Domino A.L.C. is a fully assembled and filled system that is ready for immediate use. It consists of five major components connected with one another: radiator, fan, pump, control and monitoring panel and a water block:


The system is relatively compact with a total weight of 1030g.

The close-meshed radiator measures 157 x 120 x 27mm and is made of solid aluminum. It weighs only 228g. Radiator sides are decorated with embossed manufacturer logo:


There are a few not very informative stickers on one of the radiator sides telling you that the radiator is made in China, just like the rest of the system components:

The radiator is topped with a seven-blade 120 x 120 x 25mm fan from some unknown maker:


They used screws with shaped tops to fasten the fan to the radiator and they may be pretty tricky to undo (in case you need to replace the fan). The system adjusts the fan rotation speed automatically in the interval from 1030 to 2550RPM. Note that there are three maximum speed settings to choose from: 1100RPM, 2500RPM and 2900RPM. If you set one of the first two, the fan will rotate at a variable speed. In the first case the rotation speed range will be from 1100 to 1700RPM, and in the second case – from 1700 to 2500RPM (the monitoring utilities reported different rotation speed, however, we are going to dwell on this issue later in our today’s review). The claimed noise level for each of the three modes is 19.2, 26.2 and 39.4 dBA respectively. The fan weighs 155g and its ball bearing MTBF is not disclosed. There are four silicon spindles inserted into the holes on the outside of the fan frame. They serve for attaching the entire system on the case rear panel.

The next component of CoolIT Domino A.L.C. system is the pump. It is a very compact device, 67 x 47 x 29 mm in size weighing only 57g. It is installed in the lower part of the system, next to the control and monitoring panel:


The model of this pump is unknown, however, it uses a ceramic bearing with 50,000 hours MTBF, which is about 5.7 years. Unfortunately, the specs do not mention a word about the pump performance, so we assume it is probably too modest to be disclosed. However, the manufacturer decided to reveal the generated noise level for the pump, which shouldn’t exceed 21dBA.

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