Fan Scythe Kaze Flex 14 cm Black

The Scythe Kaze Flex 14 cm Black is a 140 mm case and chassis fan engineered for low-noise airflow in desktop computer systems. It uses a fluid dynamic bearing to reduce friction and extend operational lifetime while delivering a rotational speed range from 300 to 1200 RPM. With a maximum airflow of 67.2 CFM and an exceptionally low noise floor from 4.19 dB, the fan is intended for silent builds and environments where minimal acoustic impact is required. The fan's black finish and compact 140 × 140 × 27 mm dimensions make it compatible with standard mounting locations in cases, radiators, and other cooling setups.

Advantages

The fluid dynamic bearing provides smoother rotation, lower mechanical wear and quieter operation compared with conventional sleeve bearings. The wide speed range enables both efficient cooling at higher RPMs and near-silent operation at low RPMs, allowing users to balance noise and airflow according to system demands. Its 140 mm diameter produces higher airflow at lower speeds than smaller fans, improving cooling performance without increasing acoustic output. The black color and standard size ensure visual compatibility and straightforward installation in most PC cases.

Suitable for

• Silent home or office desktop PCs where low noise is a priority
• Case ventilation for mid-tower and full-tower enclosures
• Replacement or upgrade of existing 140 mm case fans
• Use on radiators or cooling shrouds that accept 140 mm fans

Key specifications

• Fan diameter: 140 mm
• Dimensions (W × H × D): 140 × 140 × 27 mm
• Rotational speed range: 300–1200 RPM
• Maximum airflow: 67.2 CFM
• Noise level (minimum): 4.19 dB
• Bearing type: fluid dynamic bearing
• Colour: black
• Weight: 0.155 kg

How to use

Mount the fan into a compatible 140 mm mounting location in the case, radiator, or fan bracket using the appropriate screws or anti-vibration mounts. Observe airflow direction indicated on the fan frame to ensure correct intake or exhaust orientation for the system's cooling strategy. Connect the fan to the motherboard fan header or a fan controller that supports the fan's voltage and PWM or DC control behavior. Adjust fan speed through the system BIOS, operating system utilities, or a hardware fan controller to achieve the preferred balance between cooling performance and acoustic level.

Recommendations

For best results, position the fan to create a consistent airflow path through the case, combining intake and exhaust fans to avoid dead zones. Regularly check for dust buildup on the blades and clean with compressed air or a soft brush while the system is powered off. When installing multiple fans, match fan speeds where possible to maintain balanced airflow and minimize turbulence.