VRM Cooling fans
VRM Cooling fans
24 is unsuitable for a PC, but there are many 12v fans available. Older motherboards, smaller chipset fans, and smaller chpiset fans from ASUS are common. I recently upgraded a small form factor PC with the digital storm bolt first edition, adding custom hardware to enhance cooling. I installed a blower-style 60x20 3pin suction fan from outside, directing airflow over the SFF PSU at 90 degrees. Three 60x12 mm fans were placed on the case cover—one intake and two exhausts above the GPU and PSU. All four fans are 3-pin connected to a 4x3pin 5V fan splitter, resulting in very quiet operation (though 50 Ohm fans remained noisy).
The discussion highlights various fan options and experiences. It notes improvements in temperature management with certain VRMs, especially when using upgraded fans or adapters. Several users mention challenges with noise levels, mounting difficulties, and the need for compatible adapters or modifications. There is also a focus on testing different fan types such as 3pin, blower-style, and Molex adapters to find the best balance between cooling efficiency and noise. The conversation ends with plans to experiment using a 140mm rear fan in reverse and consider adding an air scoop for better airflow control.
You can ignite a stick of incense and place it near the VRMs to assess air movement. Fans don't expel air directly from the back; instead, they disperse it in a wide, shallow cone shape. Silverstone produces some AP "air penatrator" fans that release air over a longer distance.