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Cooler Master QUBE 540 High-Airflow ATX Mid-Tower Case, 415mm GPU Clearance Max, Designed Ready RTX 5090|RX 9070 XT, Tempered Glass, Modular & Customizable Design, Reversible I/O Panel - Stardust Iron
- Flexible Orientation Design - Engineered to work seamlessly in both horizontal and vertical positions, with a reversible I/O panel and movable handles that let you customize layout, improve accessibility, and reposition the case effortlessly.
- GPU Compatibility – Offers up to 415 mm GPU clearance w/o the front fan for full-size graphic cards, including RTX 5090 and RX 9070 XT.
- Motherboard Compatibility – Supports ITX, ATX, and large E-ATX motherboards (up to 11''wide), all within a compact ATX form factor for maximum build flexibility.
- Mesh-Optimized Airflow– Full front mesh panel maximizes ventilation for superior cooling under load, paired with a pre-installed Sickle Flow 120mm fan for improved airflow.
- USB Type-C & Full I/O Connectivity – The I/O panel includes 2× USB 3.2 Gen1 ports and a USB 3.2 Gen2 Type-C port, giving you fast and convenient front-access connectivity.
- Modular & Fully Customizable Design – Repositionable parts and flexible mounts let you create your ideal internal layout, while support for 3D-printed accessories allows you to personalize the exterior for a truly unique build.
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Learn more about the Cooler Master Q540-MGNN-S00
| Brand | Cooler Master |
|---|---|
| Model | Q540-MGNN-S00 |
| Color | Stardust Iron |
|---|---|
| Case Material | Steel / Tempered Glass |
| Motherboard Compatibility | ITX / M-ATX / ATX / *E-ATX(*Up to 280 mm) |
| Dust Filters | Bottom / Front / Top |
| Internal 3.5" Drive Bays | 1 |
|---|---|
| Internal 2.5" Drive Bays | 2 |
| Expansion Slots | 7 |
| Fan Options | Front: 3 x 120mm / 2 x 140mm Top: 140 / 280 / 360 mm (w/o I/O panel) Rear: 140 / 280 / 360 mm (w/o I/O panel) Bottom: 120 mm |
|---|---|
| Radiator Options | Top: 140 / 280 / 360 mm (w/o I/O panel) Front: 140 / 280 / 360 mm (w/o I/O panel) Rear: 120 mm Bottom: 140 / 280 / 360mm (w/o I/O panel) |
| Max GPU Length | 415 mm |
|---|---|
| Max CPU Cooler Height | 172 mm |
| Max PSU Length | 200 mm |
| Dimensions | 438.5 x 225 x 492.1 mm |
| Weight | 8.10kg |
| First Listed on Newegg | November 25, 2025 |
|---|
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-888-624-5099
- Support Email: [email protected]
- Support Website
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