Cooler Master MasterBox 520 Mesh Blackout Edition Midi-Tower Case with window, Black
Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Ports & interfaces | |
| USB 2.0 ports quantity | 0 |
| Headphone outputs | 1 |
| Microphone in | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) ports quantity | 1 |
| Combo headphone/mic port | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB Type-C ports quantity | 1 |
| USB 3.2 Gen 2x2 Type-C ports quantity | 0 |
| Weight & dimensions | |
| Weight | 7.31 kg |
| Height | 498 mm |
| Width | 210 mm |
| Depth | 499 mm |
| Storage | |
| Card reader integrated | ![]() |
| Number of HDDs supported | 2 |
| Supported HDD sizes | 2.5,3.5" |
| Number of storage drives supported | 5 |
| Supported storage drive types | HDD, SSD |
| Supported storage drive interfaces | SATA |
| HDD/SSD combo cage | ![]() |
| SSD form factor | 2.5" |
| Packaging data | |
| Package weight | 9.19 kg |
| Package depth | 553 mm |
| Package height | 574 mm |
| Package width | 285 mm |
| LED controller | ![]() |
| Cooling | |
| Cooling | ![]() |
| Front fans installed | 3x 120 mm |
| Number of front fans supported (max) | 3 |
| Front fans diameters supported | 120,140 mm |
| Rear fans diameters supported | 120 mm |
| Top fans diameters supported | 120,140 mm |
| Number of rear fans supported (max) | 1 |
| Number of top fans supported (max) | 3 |
| Rear fans installed | 1x 120 mm |
| Liquid cooling capability | ![]() |
| Rear radiator sizes supported | 120 mm |
| Front radiator sizes supported | 120,140,240,280,360 mm |
| Rear radiator installed | ![]() |
| Front radiator installed | ![]() |
| Top radiator installed | ![]() |
| Top radiator sizes supported | 120,140,240,280,360 mm |
| Pulse-width modulation (PWM) support | ![]() |
| Fan speed control | ![]() |
| Other features | |
| Expansion slots | 7 |
| Power LED | ![]() |
| Volume | 43 L |
| On/off switch | ![]() |
| Screws included | ![]() |
| Design | |
| Type | PC |
| Rack mounting | ![]() |
| Form factor | Midi Tower |
| Material | Acrylonitrile butadiene styrene (ABS), Steel, Tempered glass |
| Cable lock slot | ![]() |
| Product colour | Black |
| Illumination | ![]() |
| Cable management | ![]() |
| Reset button | ![]() |
| Supported motherboard form factors | ATX, EATX, micro ATX, Mini-ITX, SSI CEB |
| Anti-dust filter | ![]() |
| Number of 5.25" bays | 0 |
| Number of 3.5" bays | 2 |
| Illumination colour | Multi |
| Suitable for | Gaming |
| Transport wheels | ![]() |
| Side window | ![]() |
| Number of internal 3.5" bays | 2 |
| Maximum CPU cooler height | 16.5 cm |
| Maximum graphics card length | 41 cm |
| Number of expansion slots | 7 |
| Maximum PSU length | 20 cm |
| Illumination location | Case fans |
| Number of 2.5" bays | 3 |
| On/off button | ![]() |
| Tempered glass panel(s) | ![]() |
| RGB control button | ![]() |
| Power supply | |
| Number of power supply units | 1 |
| Power supply included | ![]() |
| Supported power supply form factors | ATX |
| EAN | 4719512126752 |
The Cooler Master MasterBox 520 Mesh is a mid-tower chassis designed for high-airflow component configurations. Its front panel is a fine mesh construction intended to maximize air intake, complemented by a single tempered glass side panel that provides a full view of the internal hardware. This Blackout Edition features an all-black finish without integrated illumination for a uniform aesthetic. The case supports a wide range of motherboard form factors, including Mini-ITX, Micro-ATX, ATX, SSI CEB, and E-ATX, providing flexibility for various builds.
For thermal management, the chassis comes with three 120 mm PWM front fans and one 120 mm rear fan pre-installed. It offers extensive cooling customization with support for up to 360 mm radiators in both the front and top positions. The top panel is completely removable to simplify the installation of cooling components and motherboards. Storage options include dedicated bays for two 3.5-inch drives and three 2.5-inch drives. A bottom-mounted ATX power supply shroud and integrated cable management contribute to an organized internal layout.
Key Features:- Supports Mini-ITX, Micro ATX, ATX, SSI CEB, and E-ATX motherboards
- Constructed from steel, ABS plastic, and tempered glass
- Dimensions: 210 mm (W) x 498 mm (H) x 499 mm (D)
- Includes three 120 mm front fans and one 120 mm rear fan
- Accommodates up to 360 mm radiators in front and top positions
- Features two 3.5-inch drive bays and three 2.5-inch drive bays
- Provides clearance for 165 mm CPU coolers and 200 mm PSUs
- Front I/O includes 1x USB 3.2 Gen 1 Type-A and 1x USB 3.2 Gen 2 Type-C
- Equipped with seven standard expansion slots
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- leaflet (English)


