# PC case Cooler Master MasterBox 520 Mesh Midi Tower Black

**URL:** https://aio.lv/en/product--cooler-master-mb520-kgnn-s00--5065697
**Data updated:** 2025-12-30 05:54 (EET)
**Category:** Computer Cases
**Manufacturer:** Cooler Master
**Manufacturer code:** MB520-KGNN-S00
**EAN:** 4719512126486
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 85.99 €
**Prices and availability valid until:** 2026-07-17 23:59
**Price without VAT (21%):** 71.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--cooler-master-mb520-kgnn-s00--5065697

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 7.80 EUR |

## Summary description

The Cooler Master MasterBox 520 Mesh Midi Tower in black offers a sleek design with excellent airflow. It supports ATX power supplies and features three pre-installed 120mm front fans, with options for 120mm and 140mm fans. The case accommodates 2.5" and 3.5" HDDs, providing versatile storage solutions. Dimensions: 210mm (W) x 502mm (D) x 498mm (H).

## Long description

The Cooler Master MasterBox 520 Mesh Midi Tower in black is a mid-tower PC case that combines airflow-focused design and customizable ARGB lighting. It ships with three pre-installed 120 mm ARGB front fans and supports multiple fan and radiator configurations. The case accepts ATX, EATX, Micro-ATX, Mini-ITX and SSI CEB motherboards, accommodates 2.5" and 3.5" drives, and offers a tempered glass side panel and removable top panel with dust filtering for easy maintenance and installation.
Advantages
Pre-installed ARGB lighting and three 120 mm front fans provide immediate cooling and visual customization. The mesh front and ventilation-focused layout prioritize airflow to improve thermal performance. A tempered glass side window displays internal components while a removable top panel and accessible dust filter simplify cleaning and upgrades. The case supports a wide range of motherboard sizes and multiple storage options, making it flexible for different build needs.
Suitable for
Gaming PC builds that require good airflow and ARGB lighting
Mid-tower systems using ATX, EATX, Micro-ATX, Mini-ITX or SSI CEB motherboards
Users who want visible components behind tempered glass
Systems needing multiple 2.5" and 3.5" drives
Key specifications
Form factor: Midi Tower
Compatible motherboards: EATX, ATX, SSI CEB, Micro-ATX, Mini-ITX
Pre-installed fans: 3 × 120 mm ARGB (front)
Drive bays: 2 × 3.5" and 3 × 2.5"
Front I/O: 1 × USB 3.2 Gen 1 Type-A
Materials: Steel, ABS, Tempered glass
Dimensions (W×D×H): 210 × 502 × 498 mm
Weight: 7.13 kg
How to use
Install the motherboard matching one of the supported form factors on the included standoffs, mount the power supply in the designated compartment, and attach storage drives to the appropriate 2.5" or 3.5" brackets. Connect the pre-installed ARGB fans to a compatible RGB controller or motherboard header and route power and data cables through the case’s cable management openings. Use the removable top panel and front dust filter to access and maintain fans and radiators during installation and periodic cleaning.
Usage recommendations
For optimal cooling, maintain clear intake and exhaust paths by organizing cables and using the mesh front with the included 120 mm fans; if adding larger radiators or multiple top fans, verify clearance for GPU and cooler heights according to the chassis dimensions.

## Specifications

### Design

| Feature | Value |
|---|---|
| Type | PC |
| Form factor | Midi Tower |
| Supported motherboard form factors | SSI CEB, Mini-ITX, Micro ATX, EATX, ATX |
| Number of 3.5" bays | 2 |
| Number of 2.5" bays | 3 |
| Side window | Yes |
| Material | ABS, Steel, Tempered glass |
| Product colour | Black |
| Illumination | Yes |
| Anti-dust filter | Yes |
| Illumination colour | Multi |
| Maximum CPU cooler height | 165 mm |
| Maximum graphics card length | 410 mm |
| Number of expansion slots | 7 |
| Maximum PSU length | 200 mm |
| Illumination location | Case fans |
| Reset button | Yes |
| RGB control button | Yes |

### Power supply

| Feature | Value |
|---|---|
| Power supply included | No |
| Supported power supply form factors | ATX |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Audio input | Yes |
| Audio output | Yes |

### Cooling

| Feature | Value |
|---|---|
| Front fans installed | 3x 120 mm |
| Number of front fans supported (max) | 3 |
| Front fans diameters supported | 140, 120 |
| Rear fans diameters supported | 120 |
| Top fans diameters supported | 140, 120 |
| Number of rear fans supported (max) | 1 |
| Number of top fans supported (max) | 3 |
| Rear radiator sizes supported | 120 |
| Front radiator sizes supported | 240, 360, 280, 140, 120 |
| Top radiator sizes supported | 360, 280, 240, 140, 120 |

### Storage

| Feature | Value |
|---|---|
| Supported HDD sizes | 2.5, 3.5 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 7.13 kg |
| Height | 498 mm |
| Width | 210 mm |
| Depth | 502 mm |

### Packaging data

| Feature | Value |
|---|---|
| LED controller | Yes |

### Other features

| Feature | Value |
|---|---|
| Volume | 50 L |

## FAQ

### How much does the PC case Cooler Master MasterBox 520 Mesh cost, and is it available for purchase?

The price is 85.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 99 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Cooler Master products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Cooler Master service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, form factor, number of 3.5" bays, number of 2.5" bays, number of 5.25" bays, side window, power supply included, usb 2.0 ports quantity, usb 3.2 gen 1 (3.1 gen 1) type-a ports quantity, weight, supported motherboard form factors, material, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for PC case Cooler Master MasterBox 520 Mesh?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/5065697/64979747_large.webp