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Square black 80 mm axial case fan with visible blades and wire lead

Fans

Fans KD2408PTB1-6Size case fan 80x80x25mm 24V 2.9W 3800RPM

SKU CH-PBT3-ST018 MPN KD2408PTB1-6Size

An 80 × 80 × 25 mm axial case fan with double ball bearings runs at 3800 RPM on 24 V, delivering 45.5 CFM at 37.5 dBA and rated for 60 000–70 000 hours

  • 80 × 80 × 25 mm footprint fits tight spaces
  • 24 V, 2.9 W draw keeps power use low
  • 3800 RPM delivers 45.5 CFM airflow
  • 5 dBA noise suits quiet builds
  • Double ball bearing rated 60,000–70,000 hours

80 mm axial fan for 24 V systems

This 80 x 80 x 25 mm axial fan runs on 24 V and draws 0.12 A for a rated 2.9 W. The double ball bearing design targets maintenance-free operation in industrial enclosures, embedded PCs and compact servers where a slim 25 mm profile is required. It delivers 45.5 CFM at 3800 RPM with a noise level of 37.5 DBA.

Airflow capacity and thermal headroom

At 45.5 CFM the fan suits moderate heat loads such as single-board computers, small power supplies or dense storage arrays. Higher-density GPU clusters or multi-core CPU racks will exceed its cooling envelope, so builders needing substantially more airflow must look beyond this frame size. The 60,000 to 70,000 hour bearing life supports continuous duty in always-on equipment.

24 V DC interface constraints

The fixed 24 V supply requirement means the fan cannot be powered from standard 12 V motherboard headers without a separate converter. Speed control is limited to the analog or serial interfaces mentioned for the broader product family; the unit itself has no PWM lead, so automatic thermal curves are not supported. Installers must provide a compatible 24 V rail and accept constant 3800 RPM operation.

Punti di forza

  • 80 × 80 × 25 mm footprint fits tight spaces
  • 24 V, 2.9 W draw keeps power use low
  • 3800 RPM delivers 45.5 CFM airflow
  • 5 dBA noise suits quiet builds
  • Double ball bearing rated 60,000–70,000 hours

Caratteristiche tecniche

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Domande su questo articolo

Will this 24 V 80 mm fan fit the same mounting holes as my older 8025 fan?

Yes, the 80x80x25 mm frame matches the standard 8025 footprint so existing mounting holes line up.

How can I confirm the double ball bearing is running at the rated 3800 RPM after installation?

Monitor the fan header in BIOS or software; a steady reading near 3800 RPM with noise around 37.5 dBA shows correct operation.

Does the box include a power connector or do I need a separate 24 V lead?

Only the fan unit is supplied; a compatible 24 V connector or adapter must be purchased separately.

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