Aluminum Zipper Fin Heat Pipe Server CPU Radiator
With the increasing integration of servers, and a large number of XEON blade servers and 1U servers from INTEL are widely used, also the server market is gradually thriving. Server cooling is highly paid attention to by heatsink manufacturers and server users, so the high performance server heatsink plays a very important role in the cooling system of the server system. Since the frequency of the CPU used by the server is usually high, some have dual CPUs or even multiple CPUs, coupled with high-speed SCSI hard disks and high-power power supplies, these components usually generate a lot of heat, so the air quickly becomes hot and a A high-efficiency heat sink is very important and essential. At the same time, when the server is operating in 24 hours and cooling requirements are quite critical, we need some high performance Server CPU heatsink to support it. also, some computer rooms need to keep quiet, requiring a fanless or low-noise heatsink module, so it's an acid test for such a server CPU heat sink.
Product Introduction
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With the increasing integration of servers, and a large number of XEON blade servers and 1U servers from INTEL are widely used, also the server market is gradually thriving. Server cooling is highly paid attention to by heatsink manufacturers and server users, so the high performance server heatsink plays a very important role in the cooling system of the server system.
Since the frequency of the CPU used by the server is usually high, some have dual CPUs or even multiple CPUs, coupled with high-speed SCSI hard disks and high-power power supplies, these components usually generate a lot of heat, so the air quickly becomes hot and a A high-efficiency heat sink is very important and essential. At the same time, when the server is operating in 24 hours and cooling requirements are quite critical, we need some high performance Server CPU heatsink to support it. also, some computer rooms need to keep quiet, requiring a fanless or low-noise heatsink module, so it's an acid test for such a server CPU heat sink.
We usually classify the server heat sink by U like 1U server heat sink, 2U server heat sink, etc. In fact, U is a unit that represents the external size of the server, and is an abbreviation for unit. The detailed size is determined by the Electronic Industries Association (EIA), an industry group.
The reason for sizing the server is to keep the server sized to fit on an iron or aluminum rack. There are screw holes for fixing the server on the rack. Align it with the screw holes of the server and fix it with screws.
The specified dimensions are the width (482mm=19 inches) and height (multiples of 4.445cm) of the server. Racks that meet this requirement are sometimes referred to as "19-inch racks" because they are 19 inches wide. The above picture can also clearly see how small the space of the 1U server is.
The thickness is based on 44.5mm. 1U is 44.5mm, 2U is 2 times 1U is 89mm (and so on). In other words, the so-called "1U PC server" is a product with a shape that meets the EIA specification and a thickness of 44.5mm. Products designed to fit into a 19-inch rack are generally referred to as rack servers.
According to the heat dissipation medium, the server heatsink can be classified two main types: air cooled server heat sink and liquid cooling server heat sink. Aluminum zipper fin heat pipe server heatsink is one type of air cooled server heat sinks, and it's also the most widely used server heat sink.
Zipper fin: Copper and aluminum are the most common materials for heat sink build, but why to use aluminum alloy to be material of the zipper fin? The specific heat capacity is also an important parameter of the heat dissipation medium, but it is often overlooked. A medium with a high specific heat capacity will absorb or dissipate more heat when it rises or falls by 1 degree Celsius. The specific heat capacity of copper is 386KJ/kg·K, and the specific heat capacity of aluminum is 900KJ/kg·K, which means aluminum can dissipate more heat to the air in unit time; Also the density of copper is 8.96g/cm^3 and the density of aluminum is 2.7g/cm^3, aluminum zipper fin is much more lightweight than copper fins; Moreover the price of copper is basically more than 3 times the price of aluminum. So that is why the heat sink designer prefer to choose aluminum to build the zipper fins.
Heat pipe: The thermal conductivity is the heat transferring through an area of 1 square meter in a certain period of time under relatively stable heat transfer conditions, with a temperature difference of 1 degree Celsius on both sides of a material with a thickness of 1 m. You may be familiar with the unit, which is W/(m·K). Common thermal grease also uses this as a unit. That is to say, the stronger the thermal conductivity of the material, the more heat is conducted in the same volume at the same time. The thermal conductivity of pure copper is 401 W/(m·K), and the thermal conductivity of pure aluminum is 237 W/(m·K). So heat pipe and pedestal are usually made of copper for rapid heat transfer.
Sinda Thermal is a thermal expert for varieties of heat sinks which are widely used in many industries, we design and manufacture all types of heat sinks such as aluminum extruded heat sink, cold forged heat sink, skived fin heat sink, boned fin heat sink, zipper fin heatsink and liquid cooling cold plate,etc. We are a leading heat sink manufacturer for the global customers. If you have any thermal requirements please feel free to contact us, we will always provide the best service and extraordinary quality.
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