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A square black 70mm case fan with four wires and a four pin connector

Ruth's sister

Ruth's sister 70mm 12V .70A 4-pin PWM case fan

SKU CH-4MZG-M30DT

A 70 mm 12 V PWM case fan with 0.70 A draw and 4-pin control for targeted airflow

  • 12V 0.70A PWM delivers speed control for quiet cooling
  • 70 mm frame fits tight chassis slots without blocking components
  • 20 mm depth clears low-profile coolers and narrow cases
  • 4-pin connector enables motherboard fan-curve tuning

70 mm 12 V PWM case fan

This 70 mm case fan runs on 12 V and draws 0.70 A through a standard 4-pin PWM connector. It fits the 70x70x20 mm footprint referenced as 7020 and suits builds that need compact air-volume cooling for CPU or chassis zones. The fan is new and ready for direct motherboard control.

Check your motherboard header and mounting points

Verify that your board has a free 4-pin PWM header and that the 70 mm screw pattern matches your case or heatsink. Confirm the 12 V supply can provide the rated current alongside other components. Ensure physical clearance for the 20 mm thickness in the intended location.

How it compares

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

Price $12.99
Cheaper than about 80% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the 70 mm 12 V 4-pin PWM fan ship with mounting screws or do I need to buy them separately?

The fan is supplied as a standalone unit; standard 70 mm mounting screws are not included and must be sourced separately.

Should I choose the 0.70 A 12 V 4-pin PWM version or a lower-current model for my 7020 chassis?

The 0.70 A 12 V 4-pin PWM model delivers the airflow spec for the 7020 form factor; a lower-current variant would move less air and may not meet cooling needs.

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