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Black 120mm square case fan 38mm thick two wire 24V ball bearing

SunnyStar Co., Ltd

SunnyStar Co., Ltd 1238HH24B-WDB 120mm 38mm 24V 0.70A 2 Wire Case Fan

SKU CH-PQ3E-8N27S

A 24V ball-bearing case fan measuring 120 × 120 × 38 mm, running at 3500–3999 RPM with 30–35 dBA noise

  • Bearing designBall
  • Rotational speed3500-3,999 RPM
  • Operating noise30–35 dBA
  • LED lightingNon-LED
  • Product typeCase Fan
  • Product colorBlack
  • 120 mm × 38 mm frame fits standard server bays
  • 24 V 0.70 A input powers industrial inverter cooling
  • Ball bearing rated for continuous 3500-3999 RPM operation
  • 30-35 dBA output keeps rack noise low
  • Two-wire DC design simplifies server power wiring

24V 2-Wire Server Cooling Fan

The SunnyStar 1238HH24B-WDB is a 120mm square case fan built for 24 volt DC systems. It runs on a two-wire power connection and uses a ball bearing for continuous operation. The 38mm thick frame suits server and inverter enclosures that need high static pressure.

Suited for 24V DC Rack Equipment

This unit fits administrators maintaining inverter or server hardware that supplies 24 volt DC power directly. It is not intended for standard desktop motherboards that provide only 12 volt headers, nor for builds that require PWM speed control or a tachometer signal.

3500 to 3999 RPM at 0.70A

The motor draws 0.70 amps at 24 volts and spins between 3500 and 3999 revolutions per minute. That speed range determines the airflow and static pressure available for dense rack cooling.

How it compares

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

Price $35.99
Pricier than about 82% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Product line1238HH24B-WDB
Model name1238HH24B-WDB
Product typeCase Fan
Product colorBlack
Performance
Rotational speed3500-3,999 RPM
Size & build
Bearing designBall
Product dimensions120 mm*120 mm*38 mm
Environment & compliance
Operating noise30–35 dBA
More details
LED lightingNon-LED

Questions about this item

What comes in the box and what else do I need to buy?

The fan is supplied alone with a 2-wire lead; no screws, adapters or controllers are included.

Which version of the 1238HH24B-WDB should I choose?

Only the 24 V 0.70 A ball-bearing model is listed; select it when your system provides a 24 V DC header.

What does the 3500-3999 RPM range mean once the fan is installed?

It will spin between 3500 and 3999 revolutions per minute, producing 30-35 dBA of noise at that speed.

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