Best Open Frame Computer Cases of 2025

The Thermaltake Core P3 ATX Tempered Glass Gaming Computer Case is the perfect solution for those who want to showcase their build. The case supports Mini ITX, Micro ATX, and ATX motherboards, and has an open frame panoramic viewing design with 5mm thick tempered glass at the front. The case can be placed in three different ways - wall mount, vertical, or horizontal. The vertical GPU mounting with one PCI E riser cable included and vertical PSU mounting with ITX motherboard make it easy to build a custom water cooling system. Additionally, the modular design allows users to build the system from the ground up with given modular panels, racks, brackets, and pre-design mounting arrays. The case is Tt LCS certified, which means it supports extreme liquid cooling configurations.

The Cooler Master MasterFrame 700 Customizable Open-Air Frame ATX Case features premium variable friction hinges, open air design, unmatched hardware support, extreme water-cooling support, test bench mode, panoramic tempered glass, built-in VESA mount, and is designed for customization. The heavy duty hinges allow for smooth repositioning at any angle, while the open-air design provides unrestricted access to fresh air. It has unmatched hardware compatibility, extreme water-cooling support, and can transform into an ultra-featured premium Test Bench. The oversized panoramic tempered glass offers a greater viewing angle on the components of the system, while the built-in VESA mount allows it to be wall mounted. The 3-parts frame can be easily disassembled for customization.

MININGEEK Stackable Case is a versatile PC frame that can be stacked up to 10 layers, allowing you to customize and expand your setup easily. It supports various motherboard types, including EATX, ATX, M_ATX, and ITX. With 2 HDD and 4 SSD positions, you can efficiently manage your storage needs. Additionally, the case offers 8 positions for 12cm fans, ensuring optimal airflow to keep your system cool during intense usage.

The egowz Open Frame Case offers excellent compatibility, supporting various motherboard sizes including EATX, ATX, M-ATX, and ITX. This flexibility allows you to customize your setup according to your needs. It accommodates both ATX and SFX power supplies, ensuring you have the right fit for your components. Additionally, the case supports multiple hard drive types, allowing for both HDD and SSD installations. Its aluminum alloy construction provides a sturdy structure while promoting effective heat dissipation, making it ideal for high-performance builds.

The Egowz Test Bench is designed for DIY enthusiasts who work with mini-ITX motherboards. Its sturdy 2mm steel construction provides durability, while the compact dimensions make it easy to fit into any workspace. You can easily install SFX, SFX-L, or ATX power supplies, ensuring compatibility with various setups. The unique cooling design keeps your motherboard and graphics card cool by preventing heat from mixing, and it supports multiple sizes of water cooling radiators, giving you the flexibility to optimize your cooling system for high performance.

The Yeiwenl Stackable Case is designed for versatility and easy customization. Its open-air frame gives you quick access to your components, making upgrades and maintenance a breeze. This case supports a variety of motherboard sizes, including ATX and ITX, providing flexibility for your builds. You can also stack up to 10 layers, which is perfect for those looking to create multi-system setups or expand in the future. With generous dimensions, it ensures excellent airflow and organized cable management for a cleaner look and better performance.

The OCPC Mini ITX Case is designed to be the smallest open frame PC case available, allowing you to display your build beautifully. Its unique open chassis enhances the aesthetics of your setup while providing ample airflow. You can easily install a graphics card with support for two slots, ensuring compatibility with most GPUs. Additionally, this case accommodates SFX power supplies, making it an elegant addition to your workspace without clutter. The thoughtful design allows you to position the GPU opposite the motherboard, giving you the flexibility to showcase both components effectively.

This DIY Computer Motherboard Case Rack allows you to build your own computer case. It is a compact and lightweight bare frame that can be easily disassembled and superimposed. The chassis can support ATX, M-ATX, and ITX motherboards and has an open design for good heat dissipation. The 20x20 aluminum profile provides a stable vertical structure, and the panels are designed for easy disassembly. Regular maintenance of the acrylic panel will maintain its brightness over time. Assembly is required, but the product comes with a guarantee of quality and first-class after-sales service.

The Yoqanr Open Air Case is designed for versatility and ease of use. Made from lightweight aluminum, this frame accommodates various motherboard sizes, including ATX, MATX, and ITX, ensuring compatibility with your setup. You can easily install dual graphics cards, enhancing your system’s performance for gaming or graphic-intensive tasks. Additionally, it offers space for two hard drives, whether solid-state or mechanical, allowing you to expand your storage as needed. The case also supports ATX power supplies, with options for SFX power supply fixings, making it convenient for your power setup.

The Egowz PC Frame is designed for versatility and efficiency. With its dimensions of 435mm x 340mm x 195mm, it can accommodate various motherboard sizes including ATX, M-ATX, and ITX. This case supports a maximum power supply length of 300mm, ensuring compatibility with most setups. You can also install a CPU cooler up to 167mm tall, allowing for effective cooling. Additionally, the frame supports multiple cooling options, including fan and water cooling setups, which helps keep your components at optimal temperatures during use.