PC Midi Tower Cooler Master MasterFrame 500 Mesh — Black with Transparent Side, supports ATX/EATX, 2x200mm front, 1x120mm rear

The MasterFrame 500 Mesh is a premium open-frame ATX mid-tower chassis designed for modular builds, extreme cooling and full customization through the FreeForm 2.0 platform. It supports motherboards from Mini-ITX up to E-ATX and provides an exposed exo-structure that enables flexible configurations and open-source modification. Enhanced mesh panels and multiple mounting locations allow advanced cooling setups and improved airflow for high-performance components. The case includes a GPU support bracket and tool-free panel removal for convenient access during assembly or upgrades.

Advantages

The open FreeForm 2.0 exo-structure offers high adaptability for custom layouts and modifications, while interchangeable panels and accessible design files enable maker-driven personalization. The chassis supports extensive cooling options, multiple fan and radiator placements, and a range of motherboard sizes, making it suitable for high-performance and heavily cooled systems. Tool-free panel removal and the included GPU support bracket simplify maintenance and ensure component stability.

Key specifications

• Form factor: Mid-tower / open-frame ATX
• Motherboard support: Mini-ITX, Mini-DTX, micro ATX, E-ATX, SSI CEB
• Drive bays: 2.5" and 3.5" HDD/SSD combo cage (1 x 2.5" bay, 1 x 3.5" bay)
• Cooling support: Up to eight fans and multiple radiator sizes (up to 360 mm)
• Materials: Aluminium, SGCC, Tempered glass
• Filters: Side window anti-dust filter
• Colour options: Black, Transparent
• Included accessories: GPU support bracket

How to use

Install the desired motherboard (Mini-ITX to E-ATX) and secure it according to standard mounting points. Configure cooling components by installing fans and radiators in available mounting locations; the mesh panels facilitate airflow and radiator placement up to 360 mm. Use the tool-free panel removal to access internal components during assembly or upgrades. Attach the included GPU support bracket to prevent GPU sag and secure heavy cards in place.

Recommendations

For optimal thermal performance, plan fan and radiator placement before installing components. Ensure compatibility of large E-ATX motherboards and long GPUs with your selected cooling layout. Regularly clean the anti-dust filter on the side window to maintain airflow efficiency.