Cooler Master N400 ATX

Cooler Master N400 ATX

Case • Cooler Master • $ 69.99

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Versatile Mid-Tower Chassis for Every Builder

The Cooler Master N400 ATX is a thoughtfully designed mid-tower case that balances expandability, cooling, and ease of use. Whether you're assembling a high-performance gaming rig, a content creation workstation, or a reliable home server, this chassis offers the flexibility and features to meet your needs.

Key Features and Benefits

  • Broad Motherboard Support: Compatible with ATX, Micro-ATX, and Mini-ITX motherboards, giving you the freedom to choose the platform that fits your budget and performance goals.
  • Impressive Storage Capacity: With eight tool-less 3.5" drive bays and two dedicated 2.5" SSD mounts, you can install multiple HDDs and SSDs for ample storage or RAID configurations.
  • Excellent Cooling Potential: Supports up to seven fans (two included) and radiators up to 240mm in the front and top, ensuring your components stay cool even under heavy loads.
  • Tool-less Drive Installation: The drive bays feature a tool-less design, making installation and swapping drives quick and hassle-free.
  • Convenient Front I/O: Equipped with two USB 3.0 and two USB 2.0 ports, plus headphone and microphone jacks, for easy access to essential connections.
  • Accommodates Large Components: Fits graphics cards up to 320mm and CPU coolers up to 164mm, so you can use high-end hardware without clearance issues.

Performance and Use Cases

The N400 is engineered for efficient airflow. Its mesh front panel and multiple fan mounting points allow for excellent intake and exhaust, which is crucial for maintaining optimal temperatures in performance builds. The case supports both air and liquid cooling, making it a versatile choice for enthusiasts who want to overclock or run demanding applications.

Ideal for gamers, PC builders, and professionals, the N400 provides a solid foundation for a wide range of systems. Its spacious interior and clean cable management options help you achieve a tidy build with good airflow. The bottom-mounted PSU compartment isolates power supply heat and noise, contributing to a quieter system.

Build Quality and Design

Constructed from durable steel with a plastic mesh front, the N400 is built to last. The side panel features a transparent window (depending on model) to showcase your components. The case measures 491 x 190 x 426mm and weighs just 6.65kg, making it relatively lightweight for a full-featured mid-tower.

Whether you're upgrading an existing system or building from scratch, the Cooler Master N400 ATX offers a practical and reliable solution that won't break the bank.

Key Specifications

Motherboard Support: ATX, Micro-ATX, Mini-ITX
Type: Mid-Tower
Total USB Ports: 2X USB 3.0, 2X USB 2.0, plus headphone & mic jacks
Weight: 6.65kg (14.7lb)
Radiator Compatibility: Front – up to 240 mm; Top – up to 240 mm; Rear – 120 mm
Drive Bays: 8X 3.5″ (tool-less), 2X 2.5″ SSD
Expansion Slots: 7
Expansion Card Length: Up to 320 mm (12.6″)
CPU Cooler Clearance: Up to 164 mm
PSU Support: Standard ATX PSU, bottom-mounted
Cooling Fan Support: Front – 2X 120/140 mm; Rear – 1X 120 mm; Top – 2X 120/140 mm; Side – 2X 120 mm; Bottom – 1X 120 mm
Included Fans: 2X 120 mm (1 front, 1 rear)
Chassis Material: Steel, plastic mesh front
Dimensions (D×W×H): 491 × 190 × 426 mm
Front I/O: 2X USB 3.0, 2X USB 2.0, headphone & mic jacks, Power button, Reset button

Detailed Parameters

Supported Form Factors:
Micro-ATX, Mini-ITX, ATX
Supported PSU Form Factors:
ATX, EPS
Maximum GPU Length in mm:
320
Maximum Cooler Height in mm:
164
Maximum Radiator Length in mm:
240

Where to Buy

Cons

  • No tempered glass side panel option (acrylic window on some models)
  • Cable management space is limited behind the motherboard tray
  • Included fans are basic and may need upgrading for high-end systems

Compare Cooler Master N400 ATX with Similar Cases

Cooler Master N400 ATX
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