![]() ![]() If you can tell us the details of your proposed AIO cooler for the graphics card, we can confirm how this works. The second connection to the AIO system normally would be to provide power and control to the fans on the rad, and those can be done from the output ports of the Silverstone Hub. ![]() But if the AIO system is designed (like most) to use only a fixed 12 VDC supply to the pump, you can get that by using an adapter to connect the pump's fan connector to a PSU Molex power output. Now, for that latter case you do not have a spare mobo fan header to provide pump power. One may be to a PSU power output for power to the pump, OR perhaps to a mobo fan header for that pump power. Typically such a system will have two electrical connections. You need a system that uses an existing fan speed control header to supply power and control of its rad fans, and does not use a software utility. The only thing left to settle, then, is the way the planned AIO system is supposed to be controlled. This means you do NOT need access to the temperature sensor inside the GPU chip, and you can use the cooling controller built into the graphics card to control the rad fans of the AIO system you plan to mount on the graphics card. That Hub also comes with its own cable to plug into a SATA power output from the PSU for power to its fans, so it does not load up the fan header of the graphics card. Then connecting that to the Silverstore Hub will get the required control signals to the Hub. Although the MSI GTX 1080 Armour web page does not provide all the details, maybe we can assume that it has a fan control header on it that the Gelid adapter can connect to, thus providing a standard 4-pin fan output. That MAY be what you have - we will see when you tell us what you have! ![]() The Silverstone PWM fan hub is a typical device of that type, and thus it can only operate from a fan header that is using the new PWM Mode and with fans that are of the new PWM design. So without details of what your real components are, we can't advise fully. Obviously what you need is not exactly either of those, since you are trying to control cooling of the GPU chip in the video card. In other systems, there is no separate control software and the AIO system allows the normal CPU cooling controls of the CPU_FAN header to control the speed of the rad fans. ![]() In some systems (for example, Kraken's Xnn line of CPU AIO cooler systems), the maker supplies a software tool that takes over all this control, grabs the temperature reading inside the CPU chip from the mobo, and uses a USB connection to the pump to communicate speed control to the rad fans. Then the system normally alters the speed of the cooling fans mounted on the radiator to remove the heat at a rate suitable to keep the hot item at the proper temperature. First, there normally is a temperature sensor in the hot item that feeds a signal out to a control system. Control of the item to be cooled involves two things. Sometimes that is done by a connection directly to a SATA power output connector from the PSU, and sometimes it is done using a mobo fan header configured in a particular way. Most AIO cooling systems are designed so that the PUMP part is supposed to run at full speed all the time, and hence requires connection to a fixed +12 VDC power supply. Those aspects depend on the cooling system design. The Kraken G12 is just a means to fasten an AIO cooler system to a GPU card, so it does not have any direct bearing on how to connect and control things. We really need specs - that is, makers and exact model numbers - of your major components, the GPU card, the AIO cooler system, etc. ![]()
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