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  6. Item#: N82E16811119480

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Cooler Master MasterFrame 400 mATX Modular PC Case - Micro-ATX/Mini-ITX, Aluminum Open Frame Chassis, 1 x ARGB Fan Preinstalled, 390mm GPU, 360mm Radiator Support, Silver

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  • Black
  • Sliver
  • Flexible Layouts
  • Switch between vertical, horizontal, or inverted layouts to fit your desk, workflow, and style.
  • Build Your Way
  • The aluminum open-frame design delivers structural rigidity, clean airflow, and a bold, functional aesthetic.
  • Compact Yet Powerful
  • Fits Mini-ITX and Micro-ATX builds with space for up to nine fans,
  • a top-mounted 360 mm radiator, and 390 mm GPUs with anti-sag support for cool, stable performance.
  • Quick Access, Zero Hassle
  • Magnetic tool-free mesh panels provide quick access for upgrades, maintenance, and cable management, streamlines your build.
  • Future-Ready Connections
  • Front I/O includes USB 3.2 Gen 2x2 Type-C, dual USB 3.2 Gen 1 Type-A, and combo audio, giving you the speed and convenience modern setups demand.
  • Modern Front I/O
  • Equipped with USB 3.2 Gen 2 Type-C, dual USB 3.2 Gen 1 Type-A ports, and a combo audio jack for fast connectivity and charging.
  • Tool-Free Panel Removal
  • Easily remove side panels without tools for quick access and modifications during build or upgrades.
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Specs
Reviews (1)

Learn more about the Cooler Master MF400M-SHNN-S00

Model
Brand Cooler Master
Series Master Frame Series
Model MF400M-SHNN-S00
Details
Color Silver
Case Material AL + SGCC + TG / Mesh
Motherboard Compatibility Micro ATX / Mini ITX
Dust Filters Front / Side
Expansion
Internal 3.5" Drive Bays 1
Internal 2.5" Drive Bays 1
Front Panel Ports
Front Ports 2 x USB 3.2 Gen 1 Type A / 1 x USB 3.2 Gen 2 x 2 Type C
1x 3.5MIc/ Audio Combo Jack
Cooling System
Fan Options Front: 2 x120mm / 1 x 140mm, 1 x 180mm, 1 x 200mm(Conditional Support)
Top: 3 x120mm / 2 x 140mm / 2 x 180mm, 2 x 200mm (Fan thickness = 25.5mm)
Rear: 1x 120 mm
Bottom: 3x 120mm, 2x 140mm, 2x 180mm, 2x 200mm, and all fans up to 30mm thick.
Pre-installed Fans Rear: 1x Sickle Flow 120 mm ARGB Black / 1x Sickle Flow 120 mm ARGB White
Radiator Options Rear - Up to 120mm / Top - Up to 240mm / Top - Up to 280mm / Top - Up to 360mm
Dimensions & Weight
Max GPU Length 390 mm
Max CPU Cooler Height 190 mm
Max PSU Length 160 mm
Dimensions 471 x 261 x 373.8 mm
Weight 8kg
Additional Information
First Listed on Newegg April 16, 2026

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Warranty, Returns, And Additional Information

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  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

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