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Black square 80mm case fan with transparent blades and four-pin PWM connector

1ST PC CORP.

1ST PC CORP. EFC0812DB-PWM 80mm case fan 3800 RPM 48.8 CFM 41 dBA 4-pin PWM

SKU CH-WK62-V1TBR MPN EFC0812DB-PWM

An 80mm dual-ball-bearing case fan delivers 48.8 CFM at 3800 RPM with PWM speed control and 41 dBA maximum noise

  • Fan size80 mm
  • Bearing designDual Ball
  • Rotational speed3,800 RPM
  • Airflow rate48.8 CFM
  • Operating noise41 dBA
  • Power input connector4-pin PWM
  • High airflow of 48.8 CFM cools cases effectively
  • 3800 RPM top speed delivers strong static pressure of 4.35 mmH2O
  • Dual ball bearing rated for 70000 hours at 40 °C
  • 4-pin PWM adjusts speed automatically between 7 and 12.6 VDC
  • Low 15 mm profile fits tight spaces while moving 1.382 m³/min

80 mm PWM case fan

The 1ST PC CORP. EFC0812DB-PWM is an 80 mm case fan built around a dual ball bearing and a 4-pin PWM connector. It spins up to 3800 RPM while delivering 48.8 CFM of airflow at 41 dBA. Rated voltage is 12 VDC with an operating range of 7 to 12.6 VDC. The low-profile frame measures 80 x 80 x 15 mm.

Who it suits and who should look elsewhere

This fan suits builders who need a thin 80 mm cooler with PWM speed control for tight chassis spaces. It is not for buyers who require a larger frame size, higher static pressure for dense radiators, or a quieter acoustic profile below 41 dBA at full speed.

Deciding specification: 80 x 80 x 15 mm frame

The 15 mm thickness determines whether the fan fits in slim enclosures or between closely spaced components. Verify the available clearance in your case before purchasing.

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).
Fan size 80 mm
Lower than about 75% of the 1,114 comparable items (median 120 mm).

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Specifications

Product
Brand nameDelta
Model nameEFC0812DB-PWM
Product typeCase Fan
Performance
Rotational speed3,800 RPM
Airflow rate48.8 CFM
Power
Power input connector4-pin PWM
Size & build
Fan size80 mm
Bearing designDual Ball
Product dimensions80 × 80 × 15 mm
Shipping weight0.08 kg
Package size114 × 94 × 38 mm
Compatibility
Compatible withCase
Environment & compliance
Operating noise41 dBA

Questions about this item

Does the 80mm fan include mounting screws or do I need to buy them separately?

The 80 x 80 x 15mm unit is supplied as the fan only; standard M3 case-fan screws are not included and must be purchased separately.

Should I choose the 3800 RPM version or a lower-speed model for a noise-sensitive build?

At 3800 RPM the fan delivers 48.8 CFM and 41 dBA; PWM control lets it drop well below those figures when the CPU is lightly loaded, so the same model covers both performance and quiet operation.

What does the 48.8 CFM rating mean once the fan is installed in a real case?

It moves 1.382 cubic metres of air per minute at 4.35 mmH2O static pressure, giving strong airflow through meshed panels or heatsink fins while running at 12 VDC and 0.33 A typical.

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