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Cooler Master Masterbox 540 Mid-Tower (ATX) With Tempered Glass Side Panel (Black)

Masterbox 540


Game In A New Light

  • ARGB Ether Front Panel
  • Standardized ARGB Connector & Controller Included
  • Removable Top Panel
  • Rich Connectivity
  • Screwless & Tool-Free Design TG Side Panel
  • Versatile Cooling Options
  • Room For Upgrades
  • Breathable Power Supply Shroud


Game In A New Light

A vivid, iridescent design spans the entire front panel of the MasterBox 540. Customizable ARGB strips radiate behind the transparent façade for a stunning display of light.

The ARGB strips can be set to match the colour scheme of the system inside with an included controller, and will also sync to the motherboard for a limitless potential for customization.


ARGB Ether Front Panel

Inspired by the design of automotive lighting, the front panel houses ARGB lighting strips paired with a front diffuser.

This design element is powered by a pogo pin connector and fused to the DarkMirror finish of the façade, delivering a unique twist on conventional illumination.


Standardized ARGB Connector & Controller Included

The ARGB Ether Front Panel can be controlled either via software or the included ARGB controller, pre-loaded with unique lighting presets. The controller also comes pre-routed to the RESET/ARGB button in the front panel.


Removable Top Panel

The top panel is entirely removable for improved access to the components during assembly.

Ease of use also facilitates the mounting of cooling solutions such as fans and radiators.


Rich Connectivity

The I/O panel comes with a USB 3.2 (Gen 2) Type-C port, two additional USB 3.2 (Gen 1) ports, and one 3.5mm (audio + mic) headset jack.


Screwless & Tool-Free Design Tg Side Panel

The tempered glass side panel is secured with pins for easy removal, facilitating quick access to the internals without the use of tools. An optional screw can be installed to further secure the tempered glass side panel.


Versatile Cooling Options

Support for up to seven 120mm fans and dual 360mm radiators on the top and front panel ensure high compatibility for liquid-cooled systems.


Room For Upgrades

Support for up to a 410mm graphics card, a 165mm CPU cooler, and up to a 180mm PSU in length provides room for upgrades to stay ahead of the game.


Breathable Power Supply Shroud

The PSU cover is ventilated on top of the power supply location, this allows actively cooled units to be installed either with the fan facing the top or bottom, with the possibility to install passively cooled power supplies.



Model Number


Available Color(S)



Steel, Mesh, Plastic, Tempered Glass

Dimensions (L X W X H)

499.3 x 208.6 x 498mm (incl. Protrusions), 488.3 x 208.6 x 498mm (excl. Protrusions)

Volume (Exlc. Protrusions)


Motherboard Support

Mini ITX, Micro ATX, ATX, E-ATX*, (*up to 12” x 10.7” motherboards, may impact cable management feature)

Expansion Slots


5.25" Drive Bays


2.5" / 3.5" Drive Bays (Combo)


2.5" Drive Bays


I/O Panel

2x USB 3.2 Gen 1 Type-A, 1x USB 3.2 Gen 2 Type-C, 1x 3.5mm Headset Jack (Audio+Mic), 1x Reset/ARGB button

Pre-Installed Fans - Top


Pre-Installed Fans - Front


Pre-Installed Fans - Rear

1x 120mm 650~1800RPM SickleFlow PWM ARGB

Fan Support - Top

3x 120mm, 2x 140mm

Fan Support - Front

3x 120mm, 2x 140mm

Fan Support - Rear

1x 120mm

Radiator Support – Top

120mm, 140mm, 240mm, 280mm, 360mm, (recommended maximum thickness -55mm)

Radiator Support – Front

120mm, 140mm, 240mm, 280mm, 360mm

Radiator Support – Rear


Clearance - CPU Cooler


Clearance - PSU

180mm/7.08", 295mm/11.61" (w/ HDD cage removed)

Clearance - GFX


Dust Filters

Top, Front, Bottom

Power Supply Support



MasterBox Series


Mid Tower


2 years


Price, feature and specifications are subject to change without notice.


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