As early as half a month ago, I wrote an article about the side blowing CPU radiator. This kind of radiator has good heat dissipation effect and is the most common style of most high-end products. However, because of its huge size and high price, unless you are a computer and game enthusiast, you will generally choose a more popular downforce cooler, This earliest type of cooler has been used for decades and still has a long history. It is cheaper and basically meets the requirements of heat dissipation. However, in recent years, high-end radiators have gradually developed in the downward pressure direction, because the current chassis cooling design has not high requirements for the types of radiators, and the heat pipe heat conduction technology is mature, the products produced can fully meet the use requirements of most people. In addition, the downward pressure radiators are small in size and light in weight, And the hair dryer can help cool the components around the CPU, so this kind of radiator is more in line with people's use requirements. Well, to get back to the point, this time we brought a civilian class overclocking three press radiator. As a major manufacturer of CPU radiators in China, its HDT technology has a very good reputation since its first launch. This time, we launched the first product of the latest series of overclocking three Dragon Subduing U-4D. How about its performance.

Product unpacking:

The outer packing box of the product adopts the common black style as the main color, with the subjective picture and functional characteristics of the product printed on the front, and the physical structure and parameters of the product on the back.

The internal products are mainly protected by a beige corrugated paper slot. It can be seen that there is a box in the paper slot, and next to the box is the main radiator of the product, which is directly exposed. Only four hard papers are stuck. In order to prevent the impact of moisture, desiccant is also placed inside, but the main part of the whole radiator is the main part, It doesn't feel good without any bag protection.

The inside of the paper box is mainly the fan of the product and various radiator accessory packages.

First, a group of family photos.

At present, there are two major camps of desktop computers, one is led by Intel, and the other is AMD. Fortunately, their main appearance and structure are similar, so the current CPU radiators are basically compatible with both. The design of this radiator is the same as that of most radiators. In order to be compatible with most platforms, the fasteners are designed to be used separately for the corresponding platforms. Among the fasteners, the straight ones are used for INTEL platforms, and the ship type ones are used for AMD platforms. These fasteners are made of thick materials, with an installation direction arrow marked by the manufacturer, It indicates that the arrow should be aligned with the CPU direction during installation to avoid installation deviation.

The backplane used together is a dual-use design. The specific use platform depends on the characters carved on the backplane. The side with the words "AMD" carved on the backplane means that the side with the words "AMD" carved on the backplane is installed facing the motherboard direction of the AMD platform.

The four corner openings on the backplane are also used for the corresponding platform, one of which is composed of two small holes for AMD platform, and the other three holes are used for INTEL platform.

The main body of the radiator is composed of four 6mm nickel plated L-shaped heat pipes, which are combined with FIN process and fins. According to experience, these four heat pipes can provide 120W heat conduction capacity. However, according to the official introduction, they can support the use of CPUs with TDP ≤ 125W, basically supporting the use of most CPUs.  

Although there are many heat pipes, the fin width of the product is small. In order to increase the surface area of the fin, the manufacturer has stamped a small bump texture on the fin, which does not affect the use, and is also relatively durable.

Fins are closely combined by the FIN process, which can ensure that the spacing between fins is basically consistent and the structure is tight. The word "overclocking three" can also be seen on the fins, while the aluminum protective sleeve can also be seen on the top of the heat pipe. The fins are not loose by shaking and squeezing. It seems that the overall structure is relatively tight.

The base of the radiator adopts the current common direct contact process. This technology originally developed by Super Frequency III has always been his specialty. After inserting the heat pipe into the aluminum base plate, the surface is finely polished to be smooth, close to the mirror base type. This bottom surface can better fit with the CPU surface to form a lower thermal resistance, because the heat pipe directly contacts to absorb heat, Therefore, the heat absorption effect is a better way than the mirror base. Compared with the expensive nickel plated mirror base radiator, this low-cost heat pipe direct contact radiator is more suitable for most people.

However, the worse point is that the aluminum base can only serve as a fixed role in this process. Its design does not have a structure similar to the heat sink to assist heat dissipation, but three fixed slot shaped rectangular protrusions, so as to add a fixed sheet structure in the installation. I have to say that the fixed design here is the biggest failure in the whole radiator, This is said later.

The matching cooling fan uses a 12cm bright moon aperture fan with 33 solid color LED light beads inside, so this is a fan with light pollution. Unfortunately, it only supports monochromatic light, so you can't see the colorful effect. However, the fan is equipped with a 4pin output port, which supports PWM control function. The speed is between 1000 RPM and 1800 RPM, which is also a drawback.

It is interesting that I accidentally found that this fan has specially made a wind guide slot on one side of the fan blade. This design can concentrate the wind pressure on the leading edge of the fan blade, providing higher air volume than the ordinary nine fan blades. The air volume data provided by the official is 35CFM to 58CFM, belonging to a larger air volume class.

This fan is made of hydraulic bearing, which is an improved type of oil seal bearing, so it has a long service life and is relatively quiet. However, this bearing has a good point for us that we don't need to refuel any more, and the price is not too high. In order to match the mute effect, shock proof rubber is also added on both sides of the fan frame, so the mute effect of this fan is not too bad.

Installation:

My CPU uses i3-4150, and the pin interface is LGA1150, so I choose INTEL platform accessories, as shown in the figure below, which is basically required except AMD fasteners and two head screws.  

First, insert the half bottom screw into the corresponding jack of the backplane. The specific jack mode needs to refer to the manual. Because I use the INTEL platform, I insert the screw into the corresponding hole facing the AMD side of the backplane. Because the INTEL platform also has different interface types, and my LGA1150 interface needs to be inserted into the corresponding middle hole in actual use, If you look carefully, you will find that the shape of the half bottom screw and the hole is corresponding, so it can be clamped by installing a gasket after placement.

Then insert it by aligning the hole on the main board, and then put the gasket on the opposite side of the main board.  

Then install the stud carefully, because the hole at one end of the matching stud is large and the hole at one end is small, the role of the screw is the end of the small hole. In order to install normally, the end of the small hole needs to be tightened outward. It is recommended to use a small wrench to tighten the screw during the tightening process, and the force should be appropriate. Tighten it gently, and do not use too much force to damage the main board.

After the stud is installed, place the fastener strip directly on it. Generally, it is better to place it where there is no component at the bottom. Remember to place the arrow on the fastener pointing to the CPU end, and place the corresponding fastener hole according to the CPU interface type (like mine, it needs to be placed in the middle hole of the fastener hole). Finally, tighten the cap screw, It is also recommended to use a screwdriver to tighten it slightly, but it is not recommended to tighten it directly by hand.  

Next, first clean the CPU surface, and then evenly coat it with thermal conductive silicone grease. For later testing and comparison, the same silicone grease as the original Intel heat sink is used.

After removing the film on the radiator base, it can be seen that the base is polished very smoothly. I can rub it back and forth with my hands without feeling rusty. However, there is a major defect in the design of the base plate, that is, the design of the radiator fixed structure mentioned above. Because the whole radiator is fixed by fixing the bottom plate, there is no grid like heat dissipation structure on the top of the bottom plate, which reduces the function of partial heat dissipation. In addition, the radiator has a large volume, so the installation process needs to install the fixing fasteners on the radiator bottom plate first, and then carefully install them on the main board. This is the problem with the installation and fixation here, In the process of installation and fixation, the two screw holes on the fixing fastener may fall out of the backplane when aligning with the fixed fastener screws on the motherboard, even if the two holes of the fixing fastener are first installed into the fastener screws on the motherboard, If you try to install the bottom plate again, the fixing fastener may slip from the bottom plate. This is difficult to install among the radiators I have installed. In addition, the silicone grease problem on the CPU surface should be considered, so the installation process is time-consuming.

After installing the radiator main body, you can directly install the fan on the radiator main body (the LED aperture faces outward), then tighten it with the fan screw, and finally plug the fan plug into the CPU FAN socket on the motherboard.  

Usage test:

It can be used after it is installed and turned on. Because it is only monochrome, only bright blue light can be seen all the time. However, whether the product is easy to use depends on the actual effect.

Experimental conditions: 21 degree open environment, using Asustek B85M-E R2.0 motherboard, i3-4150 cpu, Antioch VP 350P power supply, operating system win7, memory 8, hard disk 1.5t, and common master Lu for pressure test.

Because the original INTEL fan was used for comparison experiments, the original INTEL radiator was tested before the installation of the three overclocking radiators (the original INTEL fan was cleaned and new silicone grease was added the previous week and a half).

Start up and stand by for about 10 minutes, the CPU temperature is 30 degrees, and the fan speed is 1237 rpm.  

Open Master Lu's pressure test for 20 minutes, the CPU temperature is 43 degrees, and the speed is 1567 rpm.  

Continue the pressure test for 40 minutes. The CPU temperature is 44 degrees and the speed is 1571 rpm. It can be seen that the CPU temperature is basically constant at about 44 degrees.

Install the overclocking Sanjianglong U-4D radiator, and also turn on and stand by for 10 minutes. The CPU temperature is 27 degrees, and the speed is 1147 rpm.  

Open Master Lu's pressure test for 20 minutes, the CPU temperature is 37 degrees, and the speed is 1456 rpm.  

Continue the pressure test for 40 minutes. The CPU temperature is 36 degrees and the speed is 1445 rpm. It can be seen that the CPU temperature is basically constant at about 36 degrees. Compared with the original simple radiator, it has greater heat dissipation advantages.  

Then, in the pressure mode, the noise meter is used to test the noise, which is only 44.3 db at least. Like the ambient noise, it is a relatively quiet product.   Summary:

Advantages: The addition of four heat pipes can greatly improve the heat dissipation capacity of the CPU, and the size and quality of the radiator is not too large, and the air volume of the fan is also large, which can not only cool the CPU, but also help cool the surrounding electronic components. The direct contact technology of the super frequency three heat pipes can greatly reduce the thermal resistance between the radiator and the CPU, and greatly improve the heat dissipation capacity.

Disadvantages: The fan is equipped with LED aperture design, but it is only monochrome LED light without colorful display function. The installation process of the radiator is simple, but the installation process of the backplane is time-consuming.

Suggestion: In fact, if you have to add light effects, it is better to have RGB effects. The monochrome is too monotonous, and the installation of the backplane needs to be improved.

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