Cooler Master Silencio S400 Mini-Tower Case with window, Black
Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Ports & interfaces | |
| Audio input | Yes |
| Audio output | Yes |
| Microphone in | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) ports quantity | 2 |
| Combo headphone/mic port | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Weight & dimensions | |
| Weight | 7.24 kg |
| Height | 408 mm |
| Width | 210 mm |
| Depth | 418 mm |
| Storage | |
| Compatible memory cards | MMC, SD |
| Card reader integrated | ![]() |
| Number of HDDs supported | 4 |
| Supported HDD sizes | 2.5,3.5,5.25" |
| Storage drive interface | SATA |
| Number of storage drives supported | 8 |
| Supported storage drive interfaces | SATA |
| HDD/SSD combo cage | ![]() |
| SSD form factor | 2.5" |
| Packaging data | |
| Package weight | 8.31 kg |
| Package depth | 480 mm |
| Package height | 480 mm |
| Package width | 278 mm |
| LED controller | ![]() |
| Cooling | |
| Cooling | ![]() |
| Fan speed | 800 - 1400 RPM |
| Front fans installed | 1x 120 mm |
| Number of front fans supported (max) | 2 |
| Front fans diameters supported | 120,140 mm |
| Rear fans diameters supported | 120 mm |
| Top fans diameters supported | 120,140 mm |
| Number of rear fans supported (max) | 1 |
| Number of top fans supported (max) | 2 |
| Rear fans installed | 1x 120 mm |
| Liquid cooling capability | ![]() |
| Rear radiator sizes supported | 120 mm |
| Front radiator sizes supported | 120,140,240,280 mm |
| Rear radiator installed | ![]() |
| Front radiator installed | ![]() |
| Top radiator installed | ![]() |
| Top radiator sizes supported | 120,240 mm |
| Fan speed control | ![]() |
| Bottom radiator sizes supported | 120,240 mm |
| Other features | |
| Expansion slots | 4 |
| Power LED | ![]() |
| Volume | 33.9 L |
| On/off switch | ![]() |
| Screws included | ![]() |
| Design | |
| Type | PC |
| Rack mounting | ![]() |
| Form factor | Mini Tower |
| Material | Plastic, Steel, Tempered glass |
| Cable lock slot | ![]() |
| Product colour | Black |
| Illumination | ![]() |
| Cable management | ![]() |
| Reset button | ![]() |
| Supported motherboard form factors | micro ATX, Mini-ITX |
| Anti-dust filter | ![]() |
| Number of 5.25" bays | 1 |
| Number of 3.5" bays | 4 |
| Transport wheels | ![]() |
| Side window | ![]() |
| Number of internal 3.5" bays | 4 |
| Maximum CPU cooler height | 16.6 cm |
| Maximum graphics card length | 31.9 cm |
| Number of expansion slots | 4 |
| Maximum PSU length | 32.5 cm |
| Number of 2.5" bays | 4 |
| Number of external 5.25" bays | 1 |
| On/off button | ![]() |
| Tempered glass panel(s) | ![]() |
| RGB control button | ![]() |
| Power supply | |
| Number of power supply units | 1 |
| Power supply location | Bottom |
| Power supply included | ![]() |
| Supported power supply form factors | ATX |
| Logistics data | |
| Harmonized System (HS) code | 84733080 |
| EAN | 4719512087374 |
| Warranty | 2 years |
The Cooler Master Silencio S400 is a Mini Tower chassis designed for Micro-ATX and Mini-ITX motherboards. Its construction combines a steel frame with plastic elements and includes a tempered glass side panel to display internal components. The case is engineered to provide a balance between thermal performance and low operational noise. It measures 210 x 408 x 418 mm, offering a compact footprint suitable for various desk setups.
This chassis provides flexible cooling configurations, shipping with two pre-installed 120mm fans and supporting radiators up to 280mm in the front and 240mm at the top. Component compatibility is a key aspect, with clearances for a maximum CPU cooler height of 166mm and a PSU length up to 325mm. For storage, the S400 is equipped with four 3.5-inch bays, four 2.5-inch bays, and a single 5.25-inch external bay. The design also incorporates features such as top and bottom dust filters and dedicated space for cable management to simplify the build process.
Key Features:- Form factor: Mini Tower
- Motherboard support: Micro-ATX, Mini-ITX
- Materials: Steel, plastic, tempered glass
- Dimensions (W x H x D): 210 x 408 x 418 mm
- Front I/O: 2x USB 3.2 Gen 1, 1x combo audio jack, 1x SD card reader
- Expansion slots: 4
- Drive bays: 1x 5.25", 4x 3.5", 4x 2.5"
- Maximum CPU cooler height: 166 mm
- Maximum PSU length: 325 mm
- Radiator support: Up to 280mm (front), 240mm (top), 120mm (rear)
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- leaflet (English)


