---
product_id: 97018454
title: "Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB"
brand: "cooler master"
price: "€ 182.51"
currency: EUR
in_stock: false
url: https://www.desertcart.es/products/97018454-cooler-master-masterbox-mb520-rgb-atx-mid-tower-case-tempered
store_origin: ES
region: Spain
---

# ARGB lighting system Optimized airflow Tempered glass view Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB

**Brand:** cooler master
**Price:** € 182.51
**Availability:** ❌ Out of Stock

## Summary

> 🌟 Elevate your gaming rig with style and performance!

## Quick Answers

- **What is this?** Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB by cooler master
- **How much does it cost?** € 182.51 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/97018454-cooler-master-masterbox-mb520-rgb-atx-mid-tower-case-tempered)

## Best For

- cooler master enthusiasts

## Why This Product

- Trusted cooler master brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **See It All:** Admire your hardware through the stunning edge-to-edge tempered glass side panel.
- • **Breathe Easy:** Experience optimized airflow with large mesh intakes for superior cooling.
- • **Light Up Your Build:** Showcase your style with three pre-installed ARGB fans and customizable lighting.
- • **Space for Everything:** Accommodate all your components with 6 internal bays and 7 expansion slots.
- • **Future-Proof Your Setup:** Easily upgrade cooling with filtered ventilation and multiple mounting options.

## Overview

The Cooler Master MasterBox MB520 RGB ATX Mid Tower Case combines aesthetic appeal with functional design, featuring a DarkMirror front panel, optimized airflow, and a panoramic tempered glass side panel. It includes three ARGB fans for customizable lighting and ample space for future upgrades, making it the perfect choice for gamers and PC builders alike.

## Description

The MasterBox MB520 ARGB is the optimum ATX gaming PC chassis for showing off component lighting while keeping systems cool. The DarkMirror front panel is smoked a shade darker to add sharper contrast to the pre-installed ARGB fans. On each side of the front panel, mesh ventilation spans from top to bottom to provide the interior with considerable airflow. The front mesh ventilation works collectively with the top and rear ventilation to optimize airflow. With support for up to seven fans and front, top, and rear liquid cooling components, there is a high potential for both air-cooled and liquid-cooled builds. With a tempered glass side panel, ARGB fans, and a DarkMirror front panel, every build is properly displayed inside the MasterBox MB520 ARGB.

## Features

- DarkMirror Front Panel: Shade light through the DarkMirror front panel for a sharper contrast of the ARGB fans
- Mesh Intakes: Large, mesh intakes span each side of the front panel to provide additional airflow to system
- ARGB Lighting System: Three pre-installed ARGB fans can be managed by either the motherboard or an included controller, connected by the included splitter, to create a comprehensive ARGB lighting system
- Tempered Glass: Hardware, custom-loop cooling, and the pure pride of the builder is shown in panoramic view through an edge-to-edge tempered glass side panel
- Optimized Airflow: Filtered ventilation on the top panel provides additional thermal support while also offering mounting options for future cooling upgrades

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Wireless Type | 802.11a |
| Number of USB 2.0 Ports | 2 |
| Brand | Cooler Master |
| Series | MB520 RGB |
| Item model number | MCB-B520-KGNN-RGB |
| Item Weight | 14.5 pounds |
| Product Dimensions | 19.53 x 8.58 x 18.43 inches |
| Item Dimensions  LxWxH | 19.53 x 8.58 x 18.43 inches |
| Color | ATX Mid-Tower ARGB |
| Computer Memory Type | PC1066 |
| Manufacturer | Cooler Master USA, Inc. |
| ASIN | B07H57N8SK |
| Is Discontinued By Manufacturer | No |
| Date First Available | September 20, 2018 |

## Product Details

- **Brand:** Cooler Master
- **Motherboard Compatability:** ATX
- **Case Type:** Full Tower
- **Recommended Uses For Product:** Gaming
- **Color:** ATX Mid-Tower ARGB
- **Material:** Alloy Steel, Plastic, Tempered Glass
- **Power Supply Mounting Type:** Bottom Mount
- **Cooling Method:** Fan
- **Model Name:** MB520 RGB
- **Fan Size:** 120 Millimeters

## Images

![Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB - Image 1](https://m.media-amazon.com/images/I/71Qq7Uu8+8L.jpg)
![Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB - Image 2](https://m.media-amazon.com/images/I/81hTiqUFq7L.jpg)
![Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB - Image 3](https://m.media-amazon.com/images/I/81sk-T1gFIL.jpg)
![Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB - Image 4](https://m.media-amazon.com/images/I/71XK+jLKGSL.jpg)
![Cooler Master MasterBox MB520 RGB ATX Mid Tower Case Tempered Glass Window 3x RGB LED Fans - Black - MCB-B520-KGNN-RGB - Image 5](https://m.media-amazon.com/images/I/81qNEjFn5KL.jpg)

## Questions & Answers

**Q: How do i control the rgb fans?**
A: You should be able to control the fans either with the motherboards lighting software or you can simply connect them to the ARGB controller that comes in the cases. Just google it there’s a ton of info on this case. Hopefully this helped

**Q: how many fans does it come with?**
A: I did not buy this specific version. However the tech specs from Cooler Master states it comes with 3 X 120 mm fans. I assume their product info is correct.

**Q: does it comes with case screws?**
A: Yes, the case comes with some a basic screws, and standoffs kit.

CM-PNguyen

**Q: Will it fit cooler master ml240p on the top?**
A: Yes, It does support the ML240P Mirage up there.

CM-PNguyen

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.es/products/97018454-cooler-master-masterbox-mb520-rgb-atx-mid-tower-case-tempered](https://www.desertcart.es/products/97018454-cooler-master-masterbox-mb520-rgb-atx-mid-tower-case-tempered)

---

*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-03-09*