The stylish and spacious Cooler Master CMP 520L computer case offers excellent airflow thanks to its mesh front, wide compatibility with Mini‑ITX/Micro‑ATX/ATX motherboards, and a tempered glass side panel to showcase your build. It features support for up to six fans, the option to install liquid cooling up to 280 mm at the front, and ample room for high‑performance graphics cards.
The Cooler Master CMP 520L is designed for reliable cooling and a clean look. The asymmetrical front grille ensures efficient airflow and dust filtration, while the well‑thought‑out interior layout simplifies assembly and cable management. The side glass highlights your components and RGB elements.
The case supports up to 6 fans and liquid cooling radiators (front up to 280 mm, top 240 mm with RAM height up to 35 mm, rear 120 mm). It comes pre‑installed with 1× MasterFan Lite at the rear, helping maintain optimal temperatures even for demanding configurations. Thanks to the spacious interior, you can comfortably install long graphics cards and taller CPU coolers.
Why choose the CMP 520L:
- Excellent cooling – mesh front, dust filters on top and bottom, AIO support.
- Clean cabling – 18.5 mm of space behind the tray for easy cable routing.
- Modern I/O – USB‑A 3.2 Gen 1, USB‑A 2.0, and a combined 3.5 mm audio jack.
- Elegant design – black finish and tempered glass side panel.
Specifications
- Manufacturer
- Cooler Master
- Model
- CP520-KGNN-S03
- Color
- Black
- Exterior materials
- Steel, plastic
- Side panel
- Tempered glass
- Dimensions (with protrusions)
- 439 × 204 × 463 mm
- Dimensions (without protrusions)
- 432 × 204 × 448 mm
- Motherboard form factor
- Mini-ITX, Micro-ATX, ATX
- Expansion slots
- 7
- 5.25" bays
- 0
- 2.5"/3.5" bays
- 2
- 2.5" SSD bays
- 2
- Front panel connectors
- 1× USB-A 3.2 Gen 1, 1× USB-A 2.0, 1× 3.5 mm combo audio (headset/microphone)
- Pre‑installed fans
- Rear: 1× MasterFan Lite
- Fan mounting options
- Top: 2× 120 mm / 2× 140 mm; Front: 3× 120 mm / 2× 140 mm; Rear: 1× 120 mm
- Liquid cooling support
- Top: 120 / 240 mm (RAM up to 35 mm); Front: 120 / 240 / 140 / 280 mm; Rear: 120 mm
- Max CPU cooler height
- 161 mm
- Max PSU length
- 160 mm
- Max GPU length
- 350 mm (without front fans and AIO)
- Cable management space
- 18.5 mm behind the motherboard tray
- Dust filters
- Top, bottom
- PSU support
- ATX, bottom mount
