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Introduction

Readers of the website might remember that we had taken a look at the Darkside GT 2150 RPM and then the Darkside GT 1850 RPM PWM fans earlier, and a lot of people were excited to get a reliable source of the Gentle Typhoon fans again and this time in all black color too. Darkside is back again to complete the Gentle Typhoon fan offerings on the lower fan speed end now, and today we take a look at the 1150 RPM modell. Thanks a lot to Dazmode for sending the samples for testing.

Let’s take a look at the specs courtesy the product page:

  • Speed:  1150 RPM
  • Air performance : 37.1 CFM
  • Noise: 18 db (25 cm from the fan, free air)
  • Power: 12 VDC, 0.035 A (0.16 A peak max)
  • Operational voltage range: 5-12 V
  • Bearing: Ball
  • Expected life: 100000 h/35 °C or 55000 h/60 °C
  • Appearance: Full black
  • Dimensions:  119 x 119 x 25 mm / 4.68 x 4.68 x 0.98 in

The data sheet from Nidec also has more information on the material composition, the fan hole spacing, the wiring connection diagram but note that this, the DC-71, is a special low speed version of the 1450 RPM version and thus is not specifically in the data sheet. One thing missing here is warranty information which I would have liked to see on the product page. Let’s take a look at the fan now on the next page.


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