Cooler Master MasterBox NR400 (MCB-NR400-KG5N-S00)

Home Case Cooler Master MasterBox NR400

Product Specification

General
Brand : Cooler Master
Model : MasterBox NR400
Cabinet Type : MicroATX Mid Tower
Side Panel Type : Tempered Glass
Color : Black
Compatibility
Motherboard Supports : Micro ATX, Mini ITX
Internal Drive Size : 4 x 3.5", 4 x 2.5", 1 x 5.25"
GPU Length : 346 mm / 13.622"
Supported PSU Size : ATX
I/O Slots
Front Panel USB : USB 3.2 Gen 1 Type-A

Cooler Master MasterBox NR400 Micro-ATX Towe with Front Mesh Ventilation, Minimal Design, Tempered Glass Side Panel and Single Headset Jack

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Product Features

  • Minimalistic mesh design: Elegant design elements are applied to mesh for optimal thermal performance
  • Optimal thermal performance, the full mesh front panel and ventilated top panel provide a high potential for thermal performance
  • Flush Tempered glass Side panel design:The tempered glass Side panel, fastened by thumbscrews on the rear panel, keeps the surface flush and unobstructed
  • Graphics Card support up to 346mm: Generous clearance space is provided to support the latest graphics cards
  • With/without ODD support, depending on preference, an odd version of the chassis is available; If an odd is not preferred, a cleaner appearance and more cooling options on the top and front panels are supported
  • Cable management high quality rubber grommets are paired with 22mm of clearance behind the motherboard TO offer ample room for cable management
  • Internal dimension - 9.6” X 9.6”
  • Headset jack the single 4 pole headset jack features both Audio and microphone capabilities simultaneously so that separate jacks are not needed
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Out of Stock · Last Checked At: Oct 30, 2026
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Product Specification

General
Brand : Cooler Master
Model : MasterBox NR400
Cabinet Type : MicroATX Mid Tower
Side Panel Type : Tempered Glass
Color : Black
Compatibility
Motherboard Supports : Micro ATX, Mini ITX
Internal Drive Size : 4 x 3.5", 4 x 2.5", 1 x 5.25"
GPU Length : 346 mm / 13.622"
Supported PSU Size : ATX
I/O Slots
Front Panel USB : USB 3.2 Gen 1 Type-A