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Two 40mm square 12V fans with black frames and transparent blades

Fans

Fans KDE1204PFV3 40mm 12V 0.8W Server Accessory

SKU CH-FVRP-SJDSB

Pair of 40 mm 12 V DC fans deliver 3.26 CFM airflow at 3500 RPM while running at 11 dBA

  • Operating noise10–15 dBA
  • Power input connector2 Pin
  • Product dimensions40 × 40 × 10 mm
  • Quiet operation at 10 to 15 dBA noise level
  • 12 V DC power with low 0.8 W consumption
  • Compact 40 x 40 x 10 mm size fits tight spaces
  • 3500 RPM delivers 3.26 CFM airflow

40 mm 12 V server cooling fan

The KDE1204PFV3 is a 40 mm square DC fan rated at 12 V and 0.8 W. It spins at 3500 RPM, moves 3.26 CFM of air and produces 19 Pa of static pressure. Noise is specified between 10 and 15 dBA. The frame measures 40x40x10 mm and connects via a two-pin power lead.

Suits tight server chassis needing low-profile

Buyers who require higher airflow or greater static pressure should consider larger frame sizes. The two-pin connector does not support speed monitoring or PWM control. Units weighing 20 g each are sold in pairs.

How it compares

Measured against everything we stock in Drive Cages & Server Add-Ons, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 92% of the 1,119 comparable items (median $74.99).

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Power
Power input connector2 Pin
Size & build
Product dimensions40 × 40 × 10 mm
Environment & compliance
Operating noise10–15 dBA

Questions about this item

What power header does this 12 V 0.8 W fan need on my motherboard?

It uses a 2-pin connector and draws 0.065 A at 12 V, so any standard 2-pin fan header rated for at least 0.8 W will power it.

How much quieter is the 11 dB(A) running noise compared with a typical 20 dB(A) 40 mm server fan I might keep?

The 11 dB(A) rating is roughly half the perceived loudness of a 20 dB(A) unit, making it noticeably quieter in the same chassis.

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