Compact Yet Capable

Small size, big performance. The QUBE 540 supports GPUs up to 415 mm, 360 mm liquid coolers, and high-end components.

Flexible Orientation Design

Vertical or horizontal, the QUBE 540 adapts to your space and style. It fits cleanly wherever you place it.

Create Your Own Layout

A modular interior designed for endless creativity, for liquid-cooling setups to compact workstations. Customize it your way.

Repositionable I/O Panel and Movable Handles

Mount the I/O panel and handles on the top, bottom, left, or right to keep ports and grips where you need them.

Versatile Modular Layout

Oce case, countless possibilities. Redefine your build anytime with swappable components and flexible layouts.

Vertical GPU Ready

Supports vertical GPU installation to highlight premium graphics and aesthetics.

Cooler Master: FreeForm Playground

We’re teaming up with Printables to challenge makers worldwide. Take our modular hardware and make your own Qube 540!

Specifications

Product NameQUBE 540
Model NumberStardust Iron: Q540-MGNN-S00
Model NumberMoonstone: Q540-LGNN-S00
Color(s)Stardust Iron / Moonstone
Materials - ExteriorSteel
Material - Side Panel (Right)Steel
Material - Side Panel (Left)TG
Dimensions (L x W x H)Incl. Protrusions: 438.5 x 225 x 492.1 mm
Dimensions (L x W x H)Excl. Protrusions: 425 x 225 x 425 mm
Volume (w/o protrusions)40.64 L
Volume (with panel, protrusions and feet)48.55 L
Motherboard SupportITX / M-ATX / ATX / *E-ATX (*Up to 280 mm)
Expansion Slots7
Drive Bays - 5.25" ODDN/A
Drive Bays - 3.5" HDD1 (Shared 3.5" and 2.5" mounting on PSU bracket)
Drive Bays - 2.5" SSD2 (Max. 5)
I/O Panel - USB Ports2 x USB 3.2 Gen 1 Type A / 1 x USB 3.2 Gen 2 x 2 Type C
I/O Panel - Audio In / Out1 x 3.5 Mic / Audio Combo Jack
Fan Support - Front3 x 120 mm (w/o I/O panel) / 2 x 140 mm
Fan Support - Top3 x 120 mm (w/o I/O panel) / 2 x 140 mm
Fan Support - Rear1x 120mm
Fan Support - Bottom3 x 120 mm / 2 x 140 mm
Preinstalled Fan(s) - FrontN/A
Preinstalled Fan(s) - TopN/A
Pre-installed Fans - Rear1x 120mm Black Fan
Radiator Support - Front140 / 280 / 360 mm (w/o I/O panel)
Radiator Support - Top140 / 280 / 360 mm (w/o I/O panel)
Radiator Support - Rear120 mm
Radiator Support - Bottom140 / 280 / 360mm (w/o I/O panel)
Clearances - CPU Cooler172 mm
Clearances - Power Supply200 mm
Clearances - Graphics Card415 mm (w/o Front Fan)
Cable Routing - Behind Motherboard Tray27 mm
Dust FiltersTop / Bottom / Front
Power Supply SupportATX / SFX
Warranty2 years
Note-
SeriesQUBE Series
SizeMid Tower

Compact Case, Unlimited Creativity

QUBE 540

Qube Series

QUBE 540