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New Standards in Energy Efficiency
With the same performance, the S12038-8K server fan consumes 12% less than the next best competitor, improving the energy efficiency of your server. The reduction in power consumption is the result of months of motor optimization by ARCTIC engineers with the goal of increasing the efficiency of IT equipment.
*Test setup: Fan on Freezer 4U heatsink on 400 W heating element; fan speed set so that the temperature of the heating element is constantly 20 °C above the ambient temperature.
Wide Speed Range (800 to 8000 rpm)
The S12038-8K has a wide speed range from 800 to 8000 rpm, which can be controlled via both PWM and voltage regulation. This wide range enables precise adjustment of the fan to the specific requirements of the server, ensuring efficient cooling performance under different operating conditions. The fan is equipped with a standard 4-pin connector, which also allows connection to 2-pin or 3-pin headers. The 30 cm long cable offers additional flexibility when positioning the fan.
Active Cooling for Longer Motor Service Life
A 10 °C lower motor temperature roughly doubles the service life. The motor of the S12038-8K is not only particularly efficient, but is also actively cooled by an additional impeller in the fan hub.
The scope of delivery includes a sticker for the motor hub, which ensures a long service life even in dusty environments.
Ideal for Server Environments
Especially in server environments, fans with a high pressure are required to enable sufficient air circulation in the often tightly packed enclosures. The S12038-8K fits into server enclosures from 3U/3U and is used as an upgrade or replacement for a CPU fan, radiator fan or for system ventilation.
High Airflow and Static Pressure
Heatsinks and radiators benefit from fans with high static pressure. The S12038-8K has a static pressure of 37 mmH₂O, which enables it to push air through even narrow cooling fins. At the same time, it achieves a maximum airflow of 370 m³/h and can therefore quickly dissipate heat from enclosures. These properties make it the ideal choice for a wide range of applications.
Designed for Continuous Operation
The impeller of the S12038-8K is held by two high-quality Japanese ball bearings in a sturdy brass housing. This design increases longevity and minimizes sensitivity to influences such as heat and dust. In addition, the brass housing contributes significantly to reducing wear on high-speed fans.
Technical Data
Power Output
Speed: 800-8000 rpm PWM-controlled
Air flow: 220 cfm | 370 m³/h
Static pressure: 37 mmH₂O
Fan
Connection: 4-pin socket
Fan bearing: Double ball bearing with brass housing
Operating ambient temperature: -10~70 °C
Electrical Characteristics
Starting voltage: 3.1 V DC
Current | voltage: 0.33 A | 12.0 V DC
Current (maximum): 0.60 A
Size & Weight
- Length: 120 mm
- Width: 120 mm
- Height: 38 mm
- Weight: 328 g
Cody Funk
Reviewed in the United States on May 7, 2025
Way to loud sounded like a jet engine but sure will keep things cool
Christian Martin
Reviewed in the United States on May 4, 2025
This thing is not quiet by any means, but I don’t think anyone expects an 8,000 RPM fan to be quiet. It’s one of the highest quality fans I’ve ever bought, and the cooling and airflow is beyond human comprehension. I wouldn’t recommend this for a main PC in your room, but this fan will do wonders in a server chassis. Definitely wouldn’t put any limbs or extremities near it though.
Chris
Reviewed in the United States on February 5, 2025
Looking for a bad ass computer fan. And you don’t really care about noise, this is the fan for you. This thing will suck the insides of your computer out, when I first turned it on, even though I used to vacuum and sucked all of the dust out of the inside of the computer. This thing found more dust that was in there, and instantly made a giant dust cloud in the room. Of course he can use his fan for other things. It is a four wire PWM but you can just supply 12 V to the first two wires starting with the black with a white stripe, which is the negative wire. The next one is positive. What a beast of a fan.
Jonas B.
Reviewed in Germany on February 21, 2025
Laut wenn sehr schnell, aber genug Power um auf glatter Oberfläche zu schweben. Das teil macht meinem Ventilator Konkurrenz - ist halt lauter aber das stört mich nicht. Das ist ein Server-Lüfter, der ist by design so laut.
Antonio
Reviewed in Italy on January 28, 2025
Ventola molto potente e se usata con un regolatore di tensione è perfetta.
Sirvontaze
Reviewed in the United States on April 6, 2025
This is easily the most powerful 120mm fan I've ever had in my 30 years of messing with computer fans. This thing will hover on its own if put at full power on the floor. The PWM works lower than 600 rpm, will maintain down to about 200 rpm before cutoff and it's pretty quiet at anything below 1700rpm. The performance is unparalleled. The airflow is unmatched by any other fan on the market. And value for the money is also better than any other fan out there. If you need airflow and not screens or RGB in your fans get this, you won't be disappointed in its performance, only impressed
jessie and josh
Reviewed in the United States on April 12, 2025
Well they are not quiet by any means and of course this is not what they are meant for. They might even burn out pwm header on your motherboard because they pull current. Yes it will cut your finger off as well if you are not careful.Do they move air? you bet they do. I was not expecting this fan be be as powerful as it is. Rear of my PC is facing a shelf with items and what not. it moves so much air it knocked stuff off. Damn!
Rex G. Barnes Jr.
Reviewed in the United States on December 7, 2024
Will not use at this time, purchase to use with radiator but the did not come with long fasteners. Will re-evaluate once I obtain fasteners.
Luna
Reviewed in the United States on December 31, 2024
sound like an air raid siren but preform very well, they are server fans after all, would recommend for any high end workstation or server, but be warned, get a hardware controller, none of the like 7 softwares i tried worked.
Rico
Reviewed in Spain on November 19, 2024
A ver para los amantes del silencio... mas bien no, para pc no se si con una placa o una fuente normales (digo fuente normal con 1200W...que bueno...) pues tampoco , porque, porque sinceramente esto no es para PC, yo lo intenté, pero basicamente hace que explote mi ordenador, quiero decir no se si por sobretension, o sobrevoltage o.... el caso es que conectados, lo primero es que no llegan al 100% porque directamente el sistema los apaga antes y sino, sea por el motivo que sea... reinicia el pc... es desconectarlos y se le pasan todos los males a la placa, la ram, el inicio... que a ver mola tener un F-16, en casa que ademas te deja la habitacion fresquita y todo... buieno si... pero ademas de no ser necesario... pues ...vamos que mejor no...a no ser que se sepa ultramegaconfigurar o ... no se mis conocimientos no dan para tanto... como digo para ordenadores PC, Gaming y similares ...no...Para otros usos seguro que es una pasada pero... me quedo con las ganas.
JP
Reviewed in Sweden on November 10, 2024
Replaced my cheap server fans with these. They are performing well, although I have not pushed them beyond 4500 rpm which is enought static pressure for my use case. The old ones were 4000 rpm fans, The noise level is lower at smilar rpms compared to the old ones.
Tim W.
Reviewed in Germany on November 10, 2024
Tun genau was sie sollen. Ich nutze sie nicht für einen Server oder pc aber zum absaugen von Abluft. Lassen sich alle steuern ohne Probleme.
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