Tested: 71 case fans of 140 mm: round-up big fans

More efficient cooling with bigger case fans

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Introduction

The market for case fans offers a lot of choices, but this makes the search for an appropriate case fan even harder. We tested 71 140mm case fans to clear up the situation.   


Last year, we tested 103 120mm case fans. This year, the 140 mm models are up for assessment. The advantage of bigger fans is that, on average, they need fewer rpm than smaller fans to create the same air flow. Because of this they should be less noisy with the same airflow and are thus more efficient. So, if your case supports 140mm as wel as 120mm fans, the choice will be a no-brainer.

Besides the pros, there are cons: cases often have less positions for 140mm fans than for 120mm fans. So, it is smart to check the number of positions for 140mm fans your case has before buying new fans.  

There are a few other things to pay attention to. Most 140mm casefans are exactly 140x140 mm and the screwholes are in the corners. Some fans however have holes closer to the fans themselves, in which way you can mount them on a 120mm position. Potentially, you could use them on positions in your case where officially no 140mm fans could fit, but 1 cm of free space on the inside and the vent is needed. This way of mounting 140mm fans on 120mm positions is not usable with 140/280mm water cooling radiators, but it can often be used with 120mm CPU heatsinks. 

A few fans in this test have thicker frames on one or more sides. This improves sturdiness, but also demands 15cm of mounting space. In the test this applies to the Noctua NF-A15, Raijintek Aeolus Alpha and Boreas Alpha 140mm, the SilverStone FW141 and the Thermalright TY-141 and TY-143. 


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71 products discussed in this review

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