Cooler Master MasterBox 520 with glass window black
ATX, E-ATX, Mini-ITX, SSI CEBOnly 4 pieces in stock at supplier
Colour2
Product details
The Cooler Master MasterBox 520 is a mid-tower case that combines functionality and aesthetics. With a sleek black design and a glass side window, this case offers an appealing way to showcase internal hardware. It supports various motherboard form factors, including ATX, Micro ATX, and Mini-ITX, providing ample space for high-performance components. The cooling options are versatile, with room for multiple fans and the option for water cooling to ensure optimal temperature control. The thoughtful arrangement of drive bays allows for the installation of up to two 3.5-inch and three 2.5-inch drives, offering flexibility in storage. With a maximum graphics card length of 410 mm and a maximum CPU cooler height of 165 mm, the case is suitable for most modern gaming and workstation configurations.
- Supports up to 4 fans for improved cooling
- Glass side window for an attractive presentation of hardware
- Space for up to 3 2.5-inch and 2 3.5-inch drives
- Maximum graphics card length of 410 mm for powerful GPUs
- Versatile support for various motherboard form factors (ATX, mATX, Mini-ITX).
PC case design | Midi tower |
3.5" drive bays (internal) | 2x |
Max. length graphics card | 410 mm |
Max. height CPU cooler | 165 mm |
Max length of power supply | 200 mm |
PC case features | Side windows |
Item number | 23346827 |
Manufacturer | Cooler Master |
Category | PC case |
Manufacturer No. | MB520-KGNN-S01 |
Release date | 28-9-2022 |
Colour | Black |
Exact colour description | Black |
Material group | Glass, Metal, Plastic |
Material | ABS plastic, Steel |
PC case design | Midi tower |
Form factor | ATX, E-ATX, Mini-ITX, SSI CEB |
3.5" drive bays (external) | 2x |
3.5" drive bays (internal) | 2x |
"Number of 2.5"" drive slots" | 3x |
Number of expansion card slots | 7x |
Max. length graphics card | 410 mm |
Max. height CPU cooler | 165 mm |
Max length of power supply | 200 mm |
PC case features | Side windows |
Number of fans | 4x |
Number of fan slots | 7x |
Fan location | Front side, Rear side |
Number of radiator mounts | 3 |
Cooling properties | Water cooling possible |
Fans included | 3x 120mm |
Fan mount locations | 3x 120mm |
Fans included | 1x 120mm |
Fan mount locations | 1x 120mm |
Fans included | 3x 120mm |
Fan mount locations | 3x 120mm |
Fan mount locations | 3x 120mm |
CO₂ emissions | 18,08 kg |
Climate contribution | EUR 0,45 |
Scope of delivery | ARGB fan hub |
Height | 49.80 cm |
Length | 50.20 cm |
Width | 21 cm |
Weight | 7.44 kg |
Product Safety |
Length | 55 cm |
Width | 57 cm |
Height | 29 cm |
Weight | 9.51 kg |
30-day right of return
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «PC case» category have a defect within the first 24 months?
Source: Galaxus- 19.Montech0,6 %
- 19.MSI0,6 %
- 23.Cooler Master0,7 %
- 23.LC-Power0,7 %
- 25.Akyga1 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- Cooler MasterNot enough data
- 1.ASUS0 days
- 1.Darkflash Tech0 days
- 1.Montech0 days
- 4.Havn1 day
Return rate
How often is a product of this brand in the «PC case» category returned?
Source: Galaxus- 18.Darkflash Tech4,4 %
- 18.Thermaltake4,4 %
- 20.Cooler Master4,5 %
- 21.AeroCool4,6 %
- 22.Endorfy4,9 %

