Superior Cooling Efficiency
The Seasonic S400 features a massive heatsink tower standing 155mm tall, optimized for maximum heat dissipation. The direct-contact technology ensures that heat is pulled away from your CPU instantly, while the high-static pressure 120mm fan pushes 48 CFM of airflow through the cooling fins, preventing thermal throttling and extending the lifespan of your processor.
Whisper-Quiet Operation
Noise is never an issue with the S400. Equipped with an advanced Hydraumatic Bearing, the fan operates with minimal friction, reducing noise levels to a whisper-quiet 20 dBA. Whether you are recording content, gaming, or working in a quiet office, you’ll barely hear your PC running.
Vibrant RGB Aesthetics
Give your desktop a premium look with the integrated RGB lighting. The 120mm fan produces vibrant, multi-color effects that illuminate your chassis, making it a perfect choice for gamers and enthusiasts with tempered glass side panels.
Broad Compatibility & Easy Installation
The Seasonic S400 is built for versatility. It features a universal mounting system that supports the latest Intel LGA 1700 and AMD AM4 sockets, along with a wide range of legacy platforms. Whether you are using a modern Intel Core i7/i5 or an AMD Ryzen processor, the S400 provides a secure and straightforward installation process.
Key Features:
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High-Performance Tower Design: 155mm height provides a large dissipation area for efficient cooling.
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120mm RGB Fan: Combines powerful airflow (48 CFM) with stunning visual effects.
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Ultra-Silent Hydraumatic Bearing: Reduces friction for a longer 50,000-hour lifespan and 20 dBA silent operation.
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Next-Gen Ready: Out-of-the-box support for Intel LGA 1700 and AMD AM4.
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Durable Build: Weighing 600g with high-quality aluminum fins for robust thermal performance.
Technical Specifications:
| Feature | Specification |
| Product Dimensions | 128(L) × 80(W) × 155(H) mm |
| Fan Size | 120 × 120 × 25 mm |
| Fan Speed | 1500 RPM ±10% |
| Air Flow | 48 CFM |
| Noise Level | 20 dBA ±10% |
| Bearing Type | Hydraumatic Bearing |
| Service Life | 50,000 Hours |
| Rated Voltage | 12V DC (Starting Voltage 7V) |
| Rated Current | 0.22 A ±10% |
| Connector | 3-Pin / 4-Pin |
| Weight | 600g |
Socket Compatibility:
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Intel Sockets:
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LGA 1700 / 1200 / 1151 / 1150 / 1155 / 1156 / 775
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Supports Core i7 / i5 / i3, Pentium, and Celeron series.
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AMD Sockets:
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AM4 / AM3+ / AM3 / AM2+ / AM2 / FM2 / FM1
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Supports Ryzen 7 / Ryzen 5, FX-Series, Phenom II, and Athlon series.
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Package Includes:
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1 x Seasonic S400 RGB CPU Cooler
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1 x Universal Mounting Bracket Kit
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1 x Thermal Paste Sachet
