Cooler Master MasterBox NR200 Mini-ITX Mini-Tower Case (Black)

Overview

The Cooler Master MCB-NR200-KNNN-S00 is a Mini-ITX mini-tower case designed to deliver the cooling capacity and component clearance of larger towers while maintaining a compact footprint that fits comfortably on a desk or shelf. It supports Mini-ITX and Mini-DTX motherboards and can accommodate triple-slot graphics cards up to 12.99 inches long, making it suitable for building high-performance gaming rigs or creative workstations without the bulk of a full tower.

Its open internal layout promotes excellent airflow, enhanced by two pre-installed fans—a 92 mm fan at the rear and a 120 mm fan on the top panel. The case also offers mounts for up to seven fans and dedicated liquid cooling points, providing flexibility to manage heat from powerful CPUs and GPUs effectively.

Key features

• Supports both Mini-ITX and Mini-DTX motherboards, offering versatility for compact builds.
• Spacious interior that fits triple-slot graphics cards up to 12.99 inches, allowing high-end GPU installation.
• Open layout combined with two pre-installed fans ensures efficient airflow to keep components cool.
• Mounting options for up to seven fans and liquid cooling radiators enable advanced thermal management.
• Steel side panels are fully removable without tools, providing 360-degree access for easy cable routing and component installation.
• Tool-free top panel and fan bracket with quick-release pins speed up maintenance and upgrades.
• Flexible drive support accommodates both SSDs and traditional HDDs, balancing fast boot times with ample storage.
• Front I/O panel includes two USB 3.2 Gen 1 Type-A ports and a 3.5 mm headset jack for convenient peripheral and audio connections.

Key specs

• Motherboard support: Mini-ITX, Mini-DTX
• Maximum GPU length: 12.99 inches (triple-slot)
• Pre-installed fans: 1 x 92 mm rear, 1 x 120 mm top
• Fan mounts: Up to 7 total
• Drive bays: Supports SSDs and HDDs
• Front I/O ports: 2 x USB 3.2 Gen 1 Type-A, 1 x 3.5 mm headset jack
• Material: Steel panels with tool-free removal

Connectivity and compatibility

The case’s front panel offers easy access to two USB 3.2 Gen 1 Type-A ports, which provide fast data transfer speeds for external drives and peripherals. The 3.5 mm headset jack supports standard audio devices, making it simple to connect headphones or microphones without reaching behind the case. Compatibility with Mini-ITX and Mini-DTX motherboards ensures a wide range of compact system builds, while the generous GPU clearance supports many high-performance graphics cards used in gaming and professional applications.

Installation and setup

Installation is streamlined thanks to the tool-free design of the steel side panels, which lift off to give full access to the interior. Quick-release pins on the top panel and fan bracket further simplify upgrades and maintenance. The open internal layout makes cable management straightforward, helping to maintain clean airflow paths. Flexible drive mounting options allow users to configure storage according to their needs, whether prioritizing speed with SSDs or capacity with HDDs.

Ideal uses and environments

This case is well suited to gamers who need a compact setup without sacrificing performance, streamers requiring a tidy and efficient build near their capture equipment, and professionals seeking a powerful workstation that fits into small spaces like studio apartments or home offices. Its cooling capabilities and component clearance make it a strong choice for users who want to build a high-performance system in a limited footprint.