Introduction: Water-cooled 0 Db Game Developer PC

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I wanted to get an absolutely silent but also powerful PC system for my home office.  I am a computer game developer and spend around 7 to 14 hours a day in the same room as my computer.  So building a silent powerful system has been something that appeared to me as worthwhile. This is the third water cooled system that I did build and the first where all components are water cooled including the  700w power unit.

These are the specifications of my Water-cooled 0 Bd PC Workstation:

Processor: AMD FX(tm)-8150 Eight-Core Processor            (8 CPUs), ~3.8GHz
Memory: 32768MB RAM (32GB)
Mainbord: GA-990FXA-UD3 Gigabyte Technology Co., Ltd.
GFX Card 1: NVIDIA GeForce GTX 560 Ti 1024 MB
GFX Card 2: NVIDIA GeForce GT 430 2048 MB
Shared Memory: 3071 MB
Display Memory: 4065 MB
HD0: SSD OCZ VERTEX PLUS 120GB
HD1: WDC WD20EARS-00MVWB0 2TB
HD2: WDC WD20EARS-00MVWB02TB
HD3: WDC WD20EARS-00MVWB0 2TB

I build it based on an old Aluminum server case that housed previously a Dual Xeon System from 2002. I did build the system under the assumption that no fans would be used within the case. Hence I came up with a cooling solution that cooled everything from the mainboard over the power unit, memory, the hard drives as well as the GFX cards with water. I did buy some coolers and build others myself out of copper pipes.  The system holds about 14 liters of water and utilizes 4 car radiator units and a hand build copper pipe grill. I came up with a regulation and refilling system on top of the computer to regulate the water levels. The water is moved by 2 pumps on internal and one external pump that can be added if higher water flows are required. The car radiator units on the side and on the top have 8 silent fans attached to them that can be triggered on a hot summer day to drastically improve the cooling performance by switching from passive to active cooling. I painted the aluminum case with copper color out of esthetic reasons to get an overall look that fits the copper pipes.

The system can run with 100% CPU and GPU load and an air temperature of 25°c with a water temperature of 28°c in passive and 26°c in active cooling mode.

I have 4 monitors attached to the 3 with 1920x1200 and one with 2560x1600. I use this system as my main work PC. I am using the system now for about 5 month without problems, I just had to add about 100 ccm of new water.