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Black 120mm square case fan with 11 blades and 25mm frame

LORDWORLD

LORDWORLD Kaze Flex II 120 PWN 120mm 25mm 1500 RPM case fan

SKU CH-4779-AQ7JV

A 120 mm case fan with 11 blades, fluid dynamic bearing and 1500 RPM speed for quiet airflow

  • Quiet cooling from low-noise design at low decibel levels
  • 11 optimised blades generate maximal CFM and ample airflow
  • Slimmer 25 mm frame frees space in Mini-ITX builds
  • Fluid Dynamic Bearing runs quietly with 120000 hour lifespan
  • 4-pin PWM control adjusts speed up to 1500 RPM

120mm PWM case fan for quiet builds

The LORDWORLD Kaze Flex II 120 PWN is a 120mm by 25mm case fan built around a fluid dynamic bearing rated for 120000 hours. Eleven optimised blades and a slimmed frame target high airflow at low noise, suiting compact Mini-ITX systems and general cooling upgrades.

Check 4-pin header and mounting room

Verify the motherboard or fan controller offers a 4-pin PWM header for automatic speed control up to 1500 RPM. Confirm the 120mm mounting pattern matches the case or radiator and that the 25mm thickness clears adjacent components or side panels.

Replaces louder sleeve-bearing 120mm fans

The fluid dynamic bearing and refined blade profile cut operating noise while extending service life compared with basic sleeve-bearing units. The upgrade is worthwhile when a quieter acoustic profile and longer reliability are priorities over maximum static pressure.

How it compares

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

Price $27.99
Pricier than about 70% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Brand nameLORDWORLD

Questions about this item

What comes with the Kaze Flex II 120 PWN fan and do I need extra mounting screws?

The single pack includes the 120mm fan with a 4-pin PWM connector; standard case mounting screws are not included and must be purchased separately if your chassis does not supply them.

The spec lists 1500 RPM — is that the only speed version available?

This model is the Standard Edition rated at 1500 RPM maximum; no other speed variants are offered for this SKU.

How loud is the fan at 1500 RPM inside a typical build?

At full speed the fan moves up to 120 CFM while the fluid-dynamic bearing keeps noise low; actual decibel level depends on case airflow restriction and fan-curve settings.

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