Construction diary Part 1 – The components
Before we finally get to the use of the Bendig kit and the water cooling, let’s talk briefly about the components that are to be installed today. These are essentially the familiar AM4 platform with the Ryzen 9 3900X.
However, there is a new addition on the power supply side. The RM850x SHIFT should have more than enough power for the system to be installed and has already been tested very well by Aris. The special feature of the SHIFT series is the side outlets for the (modular) cable harnesses.
As always, the sensitive components were mounted before the board was installed. The HP NVME, the CPU freshly freed from all the thermal paste residue and another special guest, the Dominator Platinum RAM kit:
Thanks to the centering nub, the board was quickly installed.
Planning the cycle
Now it was time to get down to business. I’ve been working with water cooling for long enough, but in almost 20 years I’ve never spent a minute on hard tubing. PUR and PVC, silicone and neoprene, but deforming solid plastic tubes with the help of heat was something I had never done before. The planning of the circuit doesn’t really differ, but because I wanted it to be “neat”, the routes had to be well thought out.
I only roughly fixed the CPU cooler for the time being because I wasn’t sure which way the terminals should point. Thanks to the flexible retention kit, you can choose which direction the terminals of the block face.
The position for the radiator was fixed from the outset; it was to be in the side bracket. The only question was: connections upwards or downwards? As we’re not dealing with an AIO here and the expansion tank sits directly on the pump, we don’t need to restrict ourselves in this respect. The next question: Where to put the pump? Initially, I positioned the combination with the corresponding bracket on the floor, which would have fitted in perfectly with the graphics card, but I didn’t really like the look of it.
Okay, then the device has to be mounted on the radiator. The corresponding bracket for the 120mm fan attachment was quickly installed.
At first, I tried the middle position in the hope that we might be able to get over the graphics card.
Unfortunately, that wasn’t the case and it wouldn’t have worked with the radiator connections either.
However, in the lower position on the radiator and with the pump completely to the right on the bracket, it looked quite neat. No collision with the graphics card and visually much more discreet than on the floor, right?
First steps
Fortunately, I found another step that I could carry out before bending the first pipes. Unfortunately, the water cooling kit lacks a “drain port”, i.e. a way of draining the coolant without a lot of tinkering. I simply built this myself using a Y-fitting and a ball valve.
All right, let’s get on with it! So a pipe is carefully clamped into the saw block:
And then simply sawed it off carefully straight downwards:
Finally, deburr the saw edges on the outside and inside:
Okay, that was easy. And that’s how I thought about the drain port: I attach the Y-fitting to the outlet of the pump, from which I then go once to the CPU block and once down to the ball valve. Here are the individual parts:
Fitting the hard tubes is pretty easy and actually almost more pleasant than fiddling with solid PUR hoses. Simply push the tube carefully into a fitting, slide the O-ring and fitting onto the tube in the correct order:
And then push everything together and screw it together.
The finished drain port. Not so bad, is it?
And here the whole thing in its final position on the pump:
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