Home Computer Tutorials Troubleshooting What is the best layout for chassis air ducts?

What is the best layout for chassis air ducts?

Jun 01, 2024 pm 02:37 PM

How to arrange the chassis air ducts to achieve the best cooling effect? The chassis air duct is the airflow path in the chassis. Reasonable layout can effectively reduce the internal temperature and improve hardware stability. PHP editor Apple brings you a chassis air duct layout guide, including air intake, exhaust, fan layout, negative pressure and positive pressure air ducts, etc. to help you create an efficient cooling chassis environment.

What is the best layout for chassis air ducts?

# As everyone learns more about computers, more and more users are beginning to assemble computer hosts by themselves. Indeed, installing a computer is not difficult at all. However, the same budget, in the hands of different people, may be equipped with computers with different configurations and different performances. In this article, we will briefly talk about how to rationally use fans to build an ideal chassis air duct, so as to maximize the use of hardware. Cool.

Currently, the mainstream chassis on the market have either front and rear air ducts or vertical air ducts. Of course, there are also some more alternative ones, which are beyond the scope of this article. In fact, chassis with front and rear air ducts are the most common, and they are also the most common ones. An early architecture that remains popular today. Below we will analyze and explain these two types of chassis. The principles of other types are similar, and we can draw inferences from one example.

Currently, the mainstream chassis on the market have either front and rear air ducts or vertical air ducts. The chassis with front and rear air ducts is the most common, and it is also the architecture that has been popular since the early days. Below we will focus on these two types of chassis to explain. The principles of other types are the same, and we can draw inferences from one example.

1. Conventional chassis

This type of chassis is the most common chassis on the market, and it is also the front and rear air duct chassis that everyone is most accustomed to. This type of chassis generally adopts ATX and M-ATX architecture. , below we randomly select a chassis for analysis:

This architecture chassis is the most classic ATX chassis. As we all know, with the prevalence of light pollution, the air inlets on the front panel of the chassis have gradually moved to both sides of the front panel. However, it is still a forward and windward structure.

It is relatively simple to build air ducts in a chassis with this architecture. Let’s analyze how to arrange these fans according to the number of fans:

①, 1 fan

If there is only one chassis fan, it is undoubtedly the most suitable to install it in position ①. The advantage of installing it in position ① is that when the fan is running, it will draw air out of the chassis, thereby forming a negative pressure inside the chassis. The stronger the wind force of the fan in position ① , the better the negative pressure effect formed. When the negative pressure reaches a certain level, air will enter the inside of the chassis from position ②, thereby achieving the effect of air replacement inside and outside the chassis.

②, 2~3 fans

There are many installation methods in this case, but here I personally recommend the front and rear convection installation, that is, install 1 fan in position ①, and the other 2~3 They are all installed on the front panel of the chassis, so that the front and rear fans speed up the air entering and exiting the chassis, displacing the hot air in the chassis faster. In this case, regardless of whether there are heat dissipation holes on the top or bottom of the chassis, priority is given to positions 1 and 2.

③, 4 or more fans

If there are cooling holes on the top of the chassis, you can install fans or water cooling. Here we take chassis fans as an example. There are enough fans. In addition to giving priority to installation positions ① and ②, it can be installed in position ③. There are also some chassis positions ④ that do not have a power supply or a hard disk compartment cover, so you can also install a fan to assist air intake. At this time, you can still give priority to installation in position ④ ③, followed by position ④. The reason is: because the density of hot air is smaller than that of cold air, the top fan can accelerate the rise and dissipation of hot air inside the chassis. Therefore, even if there is no fan in position ④, the heat will be discharged from the heat dissipation hole ③ first. Of course, if it is an integrated water cooling, No. 3 is the ideal position for the water cooling fan.

2. Vertical air duct chassis

Nowadays, there are more and more vertical air duct chassis, and the forms are also various. Here, the more representative Qiaosibo U5 is selected as a model for analysis. :

One of the main reasons why this type of chassis uses vertical fans is that air cannot enter the front panel, so vertical air ducts are undoubtedly the most ideal way to dissipate heat. The greater the height left at the bottom of this type of chassis, the more helpful it is for heat dissipation.

①, 1 fan

In this kind of chassis, the fan is still installed at the rear of the chassis first. Analysis: Situation 1: If it is an air-cooled radiator, the radiator fan blows air to the rear of the chassis. Undoubtedly, it is more appropriate to install the chassis fan at position ① to connect the CPU radiator fan and dissipate the heat inside the chassis. Case 2: If it is water-cooled, the water-cooled radiator fan is first installed on the top of the chassis, so this fan still needs to be installed behind the chassis. It is no exception, one fan is still installed at the rear of the chassis first.

②, 2~3 fans

Except for 1 fan at the back of the chassis, the remaining fans are preferentially installed on the top of the chassis. Although hot air rises more easily, coupled with the acceleration of the top fan, it can The hot air inside the case is drawn out of the case faster, forming a certain negative pressure in the case. The outside air will naturally enter the case through the bottom or other holes, thus completing the air replacement inside the model.

③, 4 or more fans

If there are more than 4 fans, naturally they can only be installed at the bottom of the chassis. This will allow the air outside the chassis at the bottom of the chassis to enter the chassis faster. In conjunction with the above, the fans at the back will draw air, so that the air inside and outside the chassis can be ventilated more quickly. Air replacement.

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