# MasterCase Pro 3 Micro-ATX Computer Case with Freeform Modular System, Sliding Clip-and-Click Panel and Modular Dual Chamber

- Category: Case
- Brand: Cooler Master
- Model: MasterCase Pro 3
- Part number: MCY-C3P1-KWNN
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.2/5 from 15 Amazon reviews
- Warranty: 2 years
- Product page: https://buildmypc.net/component-details/case/cooler-master-mastercase-pro-3-mcy-c3p1-kwnn/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Cooler Master |
| Model | MasterCase Pro 3 |
| Cabinet Type | MicroATX Mini Tower |
| Side Panel | Acrylic |
| Color | Black |
| Power Supply | N/A |
| Maximum 3.5 Drive Space | 2 |
| Maximum 2.5 Drive Space | N/A |
| GPU Length | 370 mm / 14.567" |
| Supported PSU Size | ATX |

## Key Features

- Sliding clip-and-click panel – positions for HDD, accessory mounting, or completely remove for more space
- Removable dual chamber design – isolate power supply and cables for clean management, or remove for more build options or airflow
- Dual graphics card support - five PCI slots allow adjustable space for up two graphics cards; Compatibility (Maximum):370mm / 14.57" (without 3.5" HDD cage); 258mm / 10.16" (with 3.5" HDD cage); CPU cooler height: 190mm / 7.48"
- Removable top/front cooling brackets – allows external fan and radiator installation
- Magnetic paneling - top panel fits snugly with a magnetic grip

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