best computer pc cooling 120mm 4 pin case fan
What is a 4-pin fan connector?
4-pin fan connectors are for fans that support Pulse-Width Modulation (PWM). This technology allows the fans to automatically adjust speeds according the temperature around your internal hardware.
What does the case fan cfm rating mean?
CFM stands for cubic feet per minute, and is an important specification when looking for a case fan. For instance, if you have a case that is roughly 24" x 9" x 21", then you have a case with about 2.25 square feet. If you have a case fan that is rated at 50CFM, then, effectively, the air in your case can be recycled about 45 times in a minute. The ideal scenario is to have cooler air pass into your case to replace the air heated by your components, and to do that, it is best to have negative pressure inside your case by having a lower power fan for intake and a higher powered fan for exhaust. This helps move the air in and out of your case without getting too hot.
What are the most common computer case fans sizes?
The most common size for a standard desktop PC is 120mm, followed by 140mm and 80mm. 120 mm case fans seem to be in that sweet spot of size, noise, and performance as many cases & radiators can fit them adequately and they move a lot of air at reduced noise levels. The other sizes we offer are more for specialty applications or for specific needs - such as 90mm, 40mm, 240mm, 360mm, etc. If you find that your case will support a 120mm fan, that section is probably your best bet.
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