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Small square 40mm black case fan with transparent blades

Fans

Fans Delta EFB0412VHD 4020 40x40x20mm 12V 18 double ball case fan

SKU CH-1YX3-14PBB

A 40×40×20 mm case fan with double ball bearings, 12 V 18 A rating, for North-South Bridge heat sink cooling

  • 12 V design fits standard motherboard headers
  • 40 mm square frame suits tight chassis spaces
  • 20 mm thickness clears low-profile coolers
  • Double ball bearing extends operating life

Compact case fan

The Delta EFB0412VHD is a 40 x 40 x 20 mm case fan that operates on 12 V. It uses a double ball bearing design intended for continuous operation in tight spaces. The 4020 form factor suits small chassis or targeted component cooling.

Suited for confined builds

This fan fits builders who need a 40 mm frame with a 20 mm depth for northbridge heatsinks or similar spots. It is not for systems that require larger frame sizes, higher airflow ratings, or PWM speed control.

How it compares

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

Price $119.99
Pricier than about 90% 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

What comes in the box and do I need to buy a power cable or adapter separately?

The package contains the Delta EFB0412VHD 4020 fan unit itself. No separate cable or adapter is required because the fan uses a standard 12 V connector that plugs directly into a motherboard or controller header.

Should I select the 40 mm by 40 mm by 20 mm model or a different size for a northbridge heatsink?

Choose the 40x40x20 mm version when the mounting holes on your northbridge heatsink match that 40 mm square footprint; the 20 mm thickness fits the typical clearance around chipset coolers.

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