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Black ATX mid-tower with DarkMirror front panel, tempered glass side window, three 120mm ARGB fans visible

Cooler Master

Cooler Master MasterBox Lite 5 ATX Mid-Tower DarkMirror Panel ARGB Fans

SKU CH-7BMF-5238W

ATX mid-tower with three pre-installed 120 mm ARGB fans behind a DarkMirror front panel, tempered glass side window, three swappable colour trims, dual-chamber layout.

  • TypeATX Mid Tower
  • ColorBlack
  • Case MaterialSteel, Plastic, Tempered Glass
  • With Power SupplyNo
  • Power Supply MountedBottom
  • Motherboard CompatibilityATX / Micro ATX / Mini ITX
  • Three 120 mm ARGB fans included for immediate airflow
  • DarkMirror front panel with three swappable colour trims for personalised styling
  • Edge-to-edge tempered glass side panel showcases the build interior
  • Front radiator support up to 360 mm enables high-capacity liquid cooling
  • 400 mm maximum GPU length accommodates long graphics cards

Entry ATX mid-tower with ARGB lighting

The MasterBox Lite 5 is a steel, plastic and tempered glass ATX mid-tower aimed at first-time builders who want a clean look and addressable RGB illumination out of the box. It accepts ATX, Micro ATX and Mini ITX motherboards and ships with three 120 mm ARGB fans behind a DarkMirror front panel. Three swappable colour trims let you match the exterior to the lighting theme you prefer.

Front-panel airflow and radiator limits

The DarkMirror panel restricts direct intake, so cooling performance depends on the gap around its edges and the three included fans. Radiator support stops at 360 mm in the front with up to 50 mm thickness without a fan, while the rear accommodates only a 120 mm unit. A graphics card up to 400 mm long fits, and a tower CPU cooler up to 163 mm tall clears the side window.

Dual-chamber layout and daily usability

A bottom-mounted power supply chamber isolates PSU heat and hides cables behind a cover, keeping the main compartment tidy. Two internal 3.5-inch bays and three 2.5-inch slots handle a modest storage array, while the front I/O provides two USB 3.2 Gen 1 ports, headphone and microphone jacks, and a dedicated ARGB controller button. The edge-to-edge tempered glass side panel showcases the build without tools.

Highlights

  • Three 120 mm ARGB fans included for immediate airflow
  • DarkMirror front panel with three swappable colour trims for personalised styling
  • Edge-to-edge tempered glass side panel showcases the build interior
  • Front radiator support up to 360 mm enables high-capacity liquid cooling
  • 400 mm maximum GPU length accommodates long graphics cards

Specifications

BrandCooler Master
TypeATX Mid Tower
ColorBlack
Case MaterialSteel, Plastic, Tempered Glass
With Power SupplyNo
Power Supply MountedBottom
Motherboard CompatibilityATX / Micro ATX / Mini ITX
Side Panelwith Side Window
LEDAddressable RGB
External 5.25" Drive BaysNo
Internal 3.5" Drive Bays2
Internal 2.5" Drive Bays3 (2 from 3.5" bay)
Expansion Slots7
Front Ports2 x USB 3.2 Gen 1 (formerly USB 3.0) / 1 x 3.5mm Audio Jack / 1 x 3.5mm Mic Jack / 1 x ARGB Controller
Fan OptionsFront: 3 x 120mm (3 x 120mm ARGB fan included) / 2 x 140mm fan
Rear: 1 x 120 mm fan (1 x 120mm fan included)
Radiator OptionsFront: 120mm, 140mm, 240mm, 280mm, 360mm (up to 50mm thickness without fan)
Rear: 120mm
Max GPU Length400 mm
Max CPU Cooler Height163 mm
Max PSU Length180 mm

Questions about this item

Should I pick the ATX, Micro-ATX or Mini-ITX motherboard tray for this case?

All three form factors fit the same tray; choose the board that matches your CPU and feature needs.

What does the 400 mm GPU length limit mean for my graphics card choice?

Any card up to 400 mm long will install without hitting the drive cage or PSU shroud.

The front ports list USB 3.2 Gen 1 — what speed does that actually give me?

It runs at 5 Gbps, the same throughput as the former USB 3.0 label.

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