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Black case fan with nine dark blades and a black frame

Darkside Computer Modding

Darkside Computer Modding D1225C12B5AP-71 case fan 1150rpm 37cfm Black Edition

SKU CH-VRGD-FYVJA

A case fan spinning at 1150 RPM to move 37.1 CFM at 16 dB with a 9-blade impeller and double vibration reduction

  • Rotational speed1,150 RPM
  • Airflow rate37.1CFM
  • Product colorBlack
  • Key featuresSpeed: 1,150 RPM Air performance : 37.1CFM Noise: 16db Power
  • Silent cooling with 37.1CFM airflow at 16dB noise
  • Low vibration through custom double vibration reduction structure
  • Nine-blade impeller reduces disturbing frequency tones
  • 1150RPM speed within 5-12V operational range
  • Black Edition finish suits dark-themed builds

Gentle Typhoon Performance Radiator Fan

The Darkside Gentle Typhoon D1225C12B5AP-71 is a case fan built for radiator and chassis cooling. It uses a special 9-blade impeller to achieve high airflow volume and low noise. A custom double vibration reduction structure in the motor and motor support mechanism greatly reduces vibration.

Builders who want quiet.

This fan suits builders who want quiet, high-static-pressure cooling for radiators or restricted chassis layouts. Its 16 dB noise level and vibration-dampened design keep disturbance low. Buyers who need higher airflow than 37.1 CFM or speeds beyond 1150 RPM should look at other models.

12 VDC, 0.035 A operating current

The fan runs on 12 VDC at 0.035 A with a 0.16 A peak maximum and an operational voltage range of 5–12 V. This current draw decides whether a fan header or controller can supply enough power. Verify the header rating before connecting.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 70% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Brand nameDarkside
Model nameD1225C12B5AP-71
Part numberD1225C12B5AP-71
Product colorBlack
Performance
Rotational speed1,150 RPM
Airflow rate37.1CFM

Questions about this item

What power connection does the D1225C12B5AP-71 need to run?

It runs on 12 V DC and draws 0.035 A typical (0.16 A peak), so a standard 3-pin or 4-pin fan header on the motherboard will power it.

How does the 1150 RPM, 37.1 CFM Gentle Typhoon behave alongside older, slower fans in the same case?

It moves more air at 16 dB, so it can raise overall airflow without adding noticeable noise if the older fans run at similar or lower speeds.

How can I confirm the fan is working as intended after I install it?

Listen for the low 16 dB tone, check that the RPM reads near 1150 in BIOS or monitoring software, and feel steady airflow from the 9-blade impeller.

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