Hardware Reviews

Streacom DA2: Compact Aluminum Case Tested

Installation

According to the instructions, you should first install the mainboard in the Streacom DA2, followed by the power supply and finally the graphics card. Since the case does not offer classic cable management, i.e. no cables can be laid behind the mainboard tray, we would recommend a small change to this procedure: Cables that have to be routed to the top or bottom of the mainboard can be laid in the space between the mainboard and the case, as long as the mainboard is not fixed. This makes these cables more difficult to remove, but they have been removed from the air stream.

While the mainboard and thus also the graphics card are fixed in a fixed position, the power supply and the drives are installed on a panel that is fixed to the rails in question. The front panel can be removed, then the power supply unit is installed and, if desired, several drives via a one-sided, lateral screw connection. If you use an ATX power supply instead of an SFX power supply, it will not be installed in parallel but perpendicular to the mainboard. In both situations the power supply can also be mounted turned, but in the SFX case installed drives cover the air inlet on one side.

Computer and Graphics Card Temperatures

Despite its compact dimensions, the Streacom DA2’s strong use of aluminium and numerous air diffusers ensure good cooling inside the housing. The used test system is similar to the one from our test of the Kolink Rocket and identical to the one from our test of the Raijintek Ophion.

Even without the use of additional case fans, the Ryzen 5 2400G can still be cooled just within the specifications with the supplied cooler (Wraith Stealth) in the case. The temperatures in this configuration are even worse than in the Kolink Rocket, which comes with a case fan.

When considering the temperature results, it should be remembered that the Ryzen 5 2400G is not a processor that is easy to cool: although the processor’s consumption is not particularly high – in our CPU load test, the system consumes around 90 watts (standard clock rates) – the heatspreader is not soldered. This leads to higher temperatures from the start, so that a stronger Ryzen processor, which is soldered for this purpose, can possibly be cooled with the boxed cooler.

Rear fan Side fan Voltage Voltage (CPU fan) Temperature
nA 12V 94°C
X 5V 12V 90°C
X 12V 12V 86°C
X 5V 12V 88°C
X 12V 12V 81°C
X X 5V 12V 81°C
X X 12V 12V 79°C

In our configuration the graphics cards can also be kept under control without any problems: The R9 380 Nitro we used increases the system consumption to a good 250 watts, which have to be almost completely discharged via the graphics card cooler. The graphics card draws its fresh air directly from the openings in the bottom of the case, so the temperatures can be kept at 80°C despite the maximum load generated by Furmark.

Here, too, it should be remembered that the R9 380 Nitro used is by no means easy to cool: today there are also high-end models with the same consumption, and it would also be possible to use a more powerful radiator. But a second component could be more important than the consumption itself: The dimensions of the circuit board. The graphics card sucks its air directly from the outside, but conventional axial cooling systems distribute it sideways.

With especially wide boards, there is only little space left for the expelled air to get to the CPU cooler and thus out of the case. The same applies to increasing length, which ensures that heated air is expelled at the level of the power supply unit and remains there. For this reason, the use of a particularly small board – keyword HBM memory – with an outstanding cooler, which directs the heated air directly to the mainboard, in the DA2 should be much more efficient than a normal axial system with a long PCB.

Side fan Temperature Resulting speed
nA 80°C 1920 RPM
5V 79°C 1920 RPM
12V 78°C 1920 RPM

Even if the cooling is already solid ex works, further case fans improve the situation considerably. A slowly rotating rear fan, in our case a Pure Wings 2 with 92 mm frame width, lowers the temperature of the CPU by 4°C already. Higher speed doubles the effect.

An additional 120, which is mounted on rails above the mainboard and thus directs the air directly to the top blower, also brings much better temperatures: Together with the slowly rotating rear fan, the temperature drops to 81°C. One could theoretically mount the fan at the same height as the graphics card or use a different format – a maximum frame width of 180 millimeters – but the graphics card should not be too high for this. Unfortunately this is the case with our graphics card.

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Simon Lüthje

I am co-founder of this blog and am very interested in everything that has to do with technology, but I also like to play games. I was born in Hamburg, but now I live in Berlin.

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