This article covers be quiet! ケースファン Silent Wings 4 120mm PWM 1600rpm 低ノイズファン 国内正規代理店品 BL093 SLT-WNG-4.

Overview

The be quiet! Silent Wings 4 120mm PWM 1600rpm is a premium case fan from the German cooling specialist be quiet!. It features a standard 120mm form factor and delivers a maximum airflow of 48.7 CFM with a static pressure of 1.79 mmH2O at 1600 RPM. Noise output is rated at just 18.9 dBA, making it one of the quietest fans in its class. The rifle bearing ensures a lifespan of 300,000 hours at 25°C, and the fan comes with a 5-year warranty. This model is ideal for users who prioritize silence without sacrificing adequate cooling performance.

Compatibility Guide

This fan measures 120x120x25mm and fits any standard 120mm fan mount in PC cases, radiators, and CPU coolers. It uses a 4-pin PWM connector for automatic speed control via the motherboard. Included mounting accessories: rubber mounts, hard plastic mounts, push pins, and fan screws. The cable length is 50cm, providing ample reach for most chassis layouts.

Product Info

The Silent Wings 4 series is positioned as a mid-to-high-end case fan line from be quiet!. This 120mm PWM variant runs at up to 1600 RPM, balancing quiet operation with effective cooling. Power consumption is only 1.44W. The rifle bearing and 300,000-hour lifespan ensure long-term reliability. With a 5-year warranty, it offers peace of mind for long-term builds. Priced around ¥3,800, it provides excellent value for a premium silent fan.

Best Use Cases

This fan is perfect for silent PC builds where low noise is critical, such as home theater PCs, office workstations, or bedroom computers. Its PWM support makes it suitable as a CPU cooler fan when paired with a compatible heatsink, allowing dynamic speed adjustment. Additionally, the long lifespan and warranty make it a great choice for users who want a "set-and-forget" cooling solution that requires minimal maintenance over several years.

Things to Consider

With a maximum speed of 1600 RPM, the Silent Wings 4 is not the highest-airflow fan on the market. For high-heat systems with overclocked CPUs or GPUs, you may need multiple fans or a higher-RPM model to achieve sufficient cooling. The static pressure of 1.79 mmH2O is adequate for standard radiators but may struggle with high-density fin stacks. Also, while the included mounts are versatile, improper installation can transmit vibrations, so careful selection of mounting method is recommended.

Product Disclosure (Amazon)

  • Manufacturer: be quiet!
  • ASIN: B0B6WPS232
  • Note: This article covers a manufacturer-made product based on Amazon listing details.