Mid‑tower chassis with a dark‑tinted front and tempered glass side window, three RGB‑lit fans already mounted for instant cooling. It fits ATX boards, up to 165 mm coolers, 41 cm GPUs, supports multiple radiators, dust filters, cable routing, USB‑3 ports, audio jacks, and a built‑in fan controller.
| Brand | Cooler Master |
| EAN | 4719512074985 |
| ASIN | B07H57N8SK |
| Model | MCB-B520-KGNN-RGB |
| MPN | MCB-B520-KGNN-RGB |
| SKU | MCB-B520-KGNN-RGB |
| Anti-dust filter | Yes |
| Audio input | Yes |
| Audio output | Yes |
| Cable management | Yes |
| Cable Routing Space | 19 - 27mm mm |
| Case Edition | MasterBox MB520 RGB |
| Case form factor | Mid Tower |
| Chassis Contruction Materials | Steel |
| Colour | Black |
| Depth | 496 mm |
| Dimensions | 218 x 468 x 496 (WxHxD mm) |
| Drive bays | 4 x 2.5" Internal 2 x 2.5"/ 3.5" Internal |
| Dust Filters | Bottom Front Top |
| Fan Bays | 6 x 120mm / 4x 140mm |
| Fan Controller | Built-in Fan Controller |
| Fans Included | 1 x 120mm 3 x 120mm w/ RGB LEDs |
| Form Factor | Midi Tower |
| Front fans diameters supported | 120,140 mm |
| Front fans installed | 3x 120 mm |
| Front Radiator Compatibility | 1 x 120/140/240/280/360mm |
| Handheld remote control | Yes |
| Harmonized System HS code | 84733080 |
| Height | 468 mm |
| Illumination | Yes |
| Illumination colour | Blue, Green, Red |
| Illumination location | Case fans |
| LED indicators | Yes |
| LED Lighting | Yes |
| LED Lighting Colour | RGB |
| LED Lighting Emitters | Included LED Fan/s |
| Max CPU Cooler Height | 165 mm |
| Max GPU Card Length | 410 mm |
| Maximum graphics card length | 41 cm |
| Maximum psu length | 18 cm |
| Motherboard form factor | ATX MicroATX Mini-ITX |
| Number of 2.5 Bays | 4 |
| Number of 3.5" Bays | 2 |
| Number of expansion slots | 7 |
| On/off button | Yes |
| Package depth | 555 mm |
| Package width | 285 mm |
| Panel I/O | 1 x Headphone Out 1 x Mic In 2 x USB 3.0 |
| Power supply included | No |
| Power supply location | Bottom |
| PSU Included | No |
| PSU Mounting Location | Bottom Mount, Rear |
| PSU Support | ATX |
| Rear fans diameters supported | 120 mm |
| Rear fans installed | 1x 120 mm |
| Reset button | Yes |
| Side window | Yes |
| Suitable for | Gaming |
| Supported HDD sizes | 3.5" |
| Top Radiator Compatibility | 1 x 120/240mm |
| Type | PC |
| Weight | 6.9 kg |
| Width | 218 mm |
| Window Configuration | 1 x Main Side |
| Window Construction | Tempered Glass |
| Windows | Yes |