COOLER MASTER 

COOLER MASTER Q540-LGNN-S00 CM QUBE 540 Moonstone

Mfg Part Number:  Q540-LGNN-S00  
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Price: $100.12
Quantity:
In Stock: 5
Last Updated: Jun 02, 2026
No Sales Tax except these states
, PO and Wire.

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.

ACCESSORY ECOSYSTEM

The Qube 540 comes with a living accessory ecosystem as we have prepared 3D-printable files for you to create your own accessories.

Main Specification
General Information
Manufacturer Cooler Master Co., Ltd
Manufacturer Part Number Q540-LGNN-S00
Manufacturer Website Address http://www.coolermaster-usa.com
Brand Name Cooler Master
Product Line QUBE
Product Model Q540-LGNN-S00
Product Name QUBE Q540-LGNN-S00 Gaming Computer Case
Product Type Gaming Computer Case
Technical Information
Motherboard Supported ATX
Motherboard Supported Mini ITX
Motherboard Supported Micro ATX
Motherboard Supported EATX
Number of Fans Supported 10
Fan Supported Details
  • Fan Support - Front 3 x 120 mm (w/o I/O panel) / 2 x 140 mm
  • Fan Support - Top 3 x 120 mm (w/o I/O panel) / 2 x 140 mm
  • Fan Support - Rear 1x 120mm
  • Fan Support - Bottom 3 x 120 mm / 2 x 140 mm
Number of Fans Installed 1
Fan Size Supported 5.51"
Fan Size Supported 4.72"
Installed Fan Size 4.72"
Installed Fan Size Details 1 x 120mm
Features Carry Handle
Features Dust Filter
Window Panel Yes
Window Panel Location Side Panel
Window Panel Location Left Side
Bays
Number of Internal 3.5" Bays 1
Number of Internal 2.5" Bays 2
Number of Total Expansion Bays 3
I/O Expansions
Total Number of Expansion Slots 7
Interfaces/Ports
Total Number of USB Ports 3
USB Port Details 2 x USB 3.2 Gen 1 Type-A
USB Port Details 1 x USB 3.2 Gen 2x2 Type C
Front USB Yes
Total Number of Audio In Ports 1
Front Audio In Yes
Total Number of Audio Out Ports 1
Front Audio Out Yes
Headphone/Microphone Combo Port Yes
Physical Characteristics
Color Family Other
Product Color Moonstone
Product Material Tempered Glass
Product Material Steel
Cooler Type Fan/Liquid Cooler
Form Factor Mid-tower
Maximum CPU Cooler Height 6.77"
Maximum PSU Length 7.87"
Maximum GPU Length 16.34"
Height 16.7"
Width 8.9"
Depth 16.7"
Warranty
Limited Warranty 2 Year
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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