















The Cooler Master Qube 500 Flatpack EATX Case in Black represents a paradigm shift in chassis design, engineered for builders prioritizing expansive component compatibility and thermal excellence. This full-tower enclosure supports extended ATX, standard ATX, Micro-ATX, and Mini-ITX configurations, accommodating dual-socket server boards and high-end graphics cards exceeding 400mm in length. The innovative flatpack construction minimizes shipping dimensions while maintaining structural integrity, reducing logistics costs without compromising build quality. Extensive fan mounting options—supporting 120mm and 140mm units across multiple positions—enable sophisticated cooling hierarchies for extreme overclocking and sustained workstation performance.
| Model Number | Q500-KGNN-S00 |
| Exterior Color | Black |
| Materials - Exterior | Steel, Plastic, TG |
| Materials - Left Side Panel | Grey TG + Steel |
| Dimensions (L x W x H) | 406 x 231 x 415mm (Incl. Protrusions), 380 x 231 x 381mm (excl. Protrusions) |
| Volume | 33.44L (excl. Protrusions) |
| Motherboard Support | ITX / Micro ATX / ATX / E-ATX (Width up to 296mm w/ SFX PSU, up to 273mm w/ ATX PSU) |
| Expansion Slots | 7 |
| 3.5" Drive Bays | 4 |
| 2.5" Drive Bays | 3 |
| I/O Panel - USB Ports | 2x USB 3.2 Gen 1 Type A, 1x USB 3.2 Gen 2 x 2 Type C |
| I/O Panel - Audio In / Out | 1x 3.5mm Combo |
| Pre-installed Fans - Rear | 1x 120mm (1800 RPM) SF Black PWM (Black), 1x 120mm (1800 RPM) SF White PWM (White) |
| Fan Support - Front | 1x 120/140mm (x2 if PSU is mounted in bottom) |
| Fan Support - Top | 2x 120/140mm |
| Fan Support - Rear | 1x 120mm |
| Fan Support - Bottom | 2x 120/140mm |
| Fan Support - Left side | 2x 120/140mm |
| Radiator Support - Front | 120/140 mm (240/280mm w/ PSU in bottom) |
| Radiator Support - Top | 120 / 140 / 240 / 280mm (280mm can be used within 53mm thickness) |
| Radiator Support - Rear | 120mm |
| Radiator Support - Bottom | 120 / 140 / 240 / 280mm |
| Radiator Support - Left side | 120 / 140 / 240 / 280mm |
| Clearance - CPU Cooler | 164mm-172mm (Remove the water cooling bracket) |
| Clearance - PSU | 173mm to first GPU slot, 216mm max space (w/o cable management space), 332mm space mounted in bottom (w/o cable management space) |
| Clearance - GFX | 365mm |
| Cable Routing - Behind Motherboard Tray | 29-32mm |
| Handle | Black x 1 (Flatpack), Grey x 1 (White) |
| Gem Mini | Black x 1 (Flatpack), Grey x 1 (White) |
| Dust Filters | Front, Top, Bottom, Right side |
| Power Supply Support | SFX / SFX-L / ATX |
| Size | Mid Tower |
| Series | QUBE Series |
| Back Connector Motherboard Support | No |
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