Cooler Master

Cooler Master Silencio S400 Micro-ATX Silent Case

4.5 (93 reviews)

Experience Silent Performance with the Cooler Master Silencio S400 Micro-ATX TowerThe Cooler Master Silencio S400 is designed for quiet operation without compromising thermal performance. Featuring sound-dampening material, a reversible front panel, and two 120mm PWM Silencio FP fans, this Micro-...

$282.40*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Experience Silent Performance with the Cooler Master Silencio S400 Micro-ATX Tower

The Cooler Master Silencio S400 is designed for quiet operation without compromising thermal performance. Featuring sound-dampening material, a reversible front panel, and two 120mm PWM Silencio FP fans, this Micro-ATX tower minimizes noise while maintaining optimal cooling. With a sound-dampened solid steel side panel and a removable top cover for increased ventilation, the Silencio S400 offers a perfect balance of silence and performance.

Specifications:

  • Form Factor: Micro-ATX Tower
  • Sound Dampening: Sound-dampening material on side panel and front panel
  • Fans: 2x 120mm PWM Silencio FP Fans
  • Side Panel: Sound-dampened solid steel
  • Front Panel: Reversible with ventilation
  • Features: SD Card Reader

Specifications

Form Factor
Micro-ATX
Feature
Silent Case

Pros & Cons

👍 Pros

  • Specifically designed for silent operation, minimizing system noise during use.
  • Supports Micro-ATX motherboards, allowing for a compact yet capable system build.
  • The Silencio series focuses on noise dampening, creating a more peaceful computing environment.
  • Constructed by Cooler Master, a brand known for its quality in PC components and cases.
  • Its compact design is ideal for users with limited desk space or those preferring a smaller footprint.

👎 Cons

  • Micro-ATX form factor may limit expansion options compared to larger ATX cases.
  • Silent design often involves restricted airflow, which could lead to higher internal temperatures for high-performance components.
  • Specific details on the type or number of pre-installed fans, or noise-dampening materials, are not provided.
  • The compact nature might make component installation more challenging for some builders.
  • Information on the case's exact dimensions or weight is not available, which impacts planning for space.

Frequently Asked Questions

The Cooler Master Silencio S400 is designed to support Micro-ATX motherboards, making it suitable for compact system builds.
The primary focus of the Silencio S400 is silent operation, achieved through design choices that minimize noise from PC components.
Yes, as a Micro-ATX case, the Silencio S400 is designed to be compact, making it a good choice for users with limited desk space.
While designed as a silent case, specific details on the number or type of pre-installed fans are not provided in the features.
A silent PC case like the Silencio S400 helps in reducing operational noise, leading to a more pleasant and less distracting computing environment.