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Square black plastic 40mm frame with three wires

Fans

Fans 1606KL-01W-B49 L50 5V 0.21A 40x40x15mm 3-wire case fan

SKU CH-9VYK-XXB5V

A 40 mm square DC case fan with a 3-wire connection, running at 5 V and 0.21 A

  • Compact 40×40 mm frame fits tight server bays
  • 5 V 0.21 A draw keeps power load low
  • 15 mm slim profile clears low-clearance heatsinks
  • 3-wire connector enables speed monitoring

40 mm 5 V case fan

The 1606KL-01W-B49 L50 is a 40 mm square frame fan 15 mm thick that runs on 5 V DC at 0.21 A using a three-wire connection. It is built for tight server or workstation chassis where a compact axial cooler is required.

Installers needing a 5 V three-wire fan in a 40 mm

This fan suits builds that specifically call for a 40 mm 5 V unit with a tachometer lead. Systems requiring a different voltage, a four-wire PWM interface, a larger frame or higher airflow specifications will need a different cooler.

How it compares

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

Price $24.99
Pricier than about 63% 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 limits continuous operation of the 1606KL-01W-B49 L50 first?

The 5 V 0.21 A rating sets the electrical ceiling; sustained loads beyond that draw will trigger the supply or controller limit before thermal or mechanical limits appear.

How much noise and heat does the 40×40×15 mm 3-wire fan produce during all-day use?

At 5 V and 0.21 A the motor dissipates roughly 1 W, so case temperature rise is small and acoustic output stays low compared with higher-power server fans.

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