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Comparison Zalman ZM-NS2000 vs Deepcool N9

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Zalman ZM-NS2000
Deepcool N9
Zalman ZM-NS2000Deepcool N9
from £86.83 
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from $30.64 up to $49.64
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Product typestandstand
Max. screen size17 "17 "
Features
Active cooling
Fans1x200 mm1x180 mm
Max. RPM610 rpm1000 rpm
Max. fan airflow84 CFM
Noise level20 dB20 dB
Features
tilt adjustment
fan speed control
USB hub
laptop retainers
tilt adjustment
fan speed control
USB hub
laptop retainers
USB3 slot(s)3 slot(s)
General
Power sourceuSB powereduSB powered
Stand materialmetalmetal
Folded size377x283x52 mm380x279x34 mm
Table top/platform size377x283 mm380x279 mm
Weight1.1 kg1.7 kg
Color
Added to E-Catalogjuly 2014june 2014

Fans

In modern models, 1 or 2 fans are installed at a minimum, and in more advanced models this number can reach 4. It makes no sense to bet anymore, because. the area of the cooling system in this case may be larger than the area of the bottom surface of even the largest laptop. The more fans provided, the more intense the heat removal and the higher the efficiency of the cooling system (ceteris paribus, of course). On the other hand, the noise level increases noticeably, and there are “multi-fan” stands, respectively.

The diameter of the fans also plays an important role. The larger the fan, the more advanced it is considered: a large diameter allows you to create an intense airflow at relatively low speeds, which reduces the noise level compared to smaller options. On the other hand, the large size also affects the cost accordingly.

Max. RPM

The highest rotational speed of the fans provided in the active cooling system of the stand (see above).

Rotation speed is one of the parameters that directly affects efficiency: the faster the fan, the more powerful airflow it creates and the more heat is removed. At the same time, only fans of the same diameter can be directly compared by speed. In addition, high rotation speed increases the noise level; therefore, comparatively slow but large fans are considered more advanced than small and fast ones with the same performance (see "Airflow").

Max. fan airflow

The maximum airflow that a cooling fan can create; measured in CFM — cubic feet per minute.

The higher the CFM number, the more efficient the fan.

Folded size

Dimensions of the stand when folded. First of all, the convenience of transportation depends on this: if you plan to carry the product along with a laptop, you should pay attention to ensuring that the bag (case, backpack ...) has the right amount of space.

Note that the height of many models in the folded state is rather small, so manufacturers may not indicate it in the characteristics, limited only by the length and width.

Table top/platform size

The size of the surface intended for the direct placement of a laptop. This parameter allows you to fairly accurately assess how the stand is suitable for your device — after all, even laptops with the same diagonal can vary slightly in length / width.

Weight

The total weight of the stand. You should pay attention to this parameter first of all if you plan to constantly carry the stand with you, along with a laptop — here light weight can be a noticeable advantage. But if you are looking for an option purely for home use, there is most often no need to pursue low weight: other things being equal, it can be a sign of a small thickness of materials and, as a result, relatively low reliability. In addition, a more massive stand is more stable, it is more difficult to budge or knock over by accidental touch.
Zalman ZM-NS2000 often compared
Deepcool N9 often compared