Best Open Frame Computer Cases of 2025

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Open frame computer cases are an essential component for computer enthusiasts who want to build their own custom PC. These cases are designed to provide a fully customizable and accessible platform for building high-performance computers. They come in a variety of sizes and styles, and offer a range of features such as easy accessibility, improved airflow, and ample space for cable management. Open frame computer cases are a popular choice among gamers, overclockers, and DIY enthusiasts who want to showcase their hardware and create a unique and powerful system.
At a Glance: Our Top Picks
Top 10 Open Frame Computer Cases
egowz Open Air Frame Case for PCs
The egowz Frame Case offers excellent compatibility with various motherboard sizes, including EATX, ATX, M-ATX, and ITX. This versatility allows you to build a custom PC that suits your needs. It supports both ATX and SFX power supplies, ensuring you have the right power options for your components. Additionally, the case accommodates both HDD and SSD hard drives, giving you flexibility in storage choices. Its aluminium alloy construction and open design enhance heat dissipation, helping to keep your system cool during intensive tasks.
OCPC Hydra Italy Mini ITX Open Frame Case
The OCPC Mini2 ITX Case is a stylish, open frame PC case designed by Hydra Italy. Its unique Mini-ITX chassis allows you to showcase your components beautifully. You can easily instal your motherboard, as the standard design simplifies the process. With 2X slot GPU compatibility, this case supports most graphics cards, ensuring you can build a powerful system. Additionally, the SFX PSU form factor compatibility means your setup can remain elegant and unobtrusive on your desk, enhancing your workspace.
VIVO Adjustable Wall Mount for PC Cases
The VIVO PC Wall Mount is an excellent solution for maximising your workspace. By mounting your PC to the wall, you free up valuable floor space for other important work projects and equipment. Its sturdy steel construction ensures that your computer is securely held, with adjustable straps for added safety, capable of supporting cases up to 10 kg. Additionally, this mount helps extend the life of your computer by reducing exposure to dust and vibrations, which can be particularly beneficial for maintaining performance.
Thermaltake Core P3 Glass Gaming Case
The Thermaltake Core P3 offers versatile support for Mini ITX, Micro ATX, and ATX motherboards, allowing you the flexibility to choose your preferred setup. With its three-way placement layout, you can mount it on the wall, or position it vertically or horizontally, fitting into any space. The vertical GPU mounting feature, along with the included PCI E riser cable, enhances your gaming experience by showcasing your graphics card. This case is designed for those who appreciate both aesthetics and functionality in their gaming setup.
Ronyme Open Air Computer Chassis Frame
The Ronyme Computer Chassis offers a robust and durable open-air design, ensuring your graphics card and electronic equipment are well protected. Its high-quality steel construction guarantees long-lasting use. The chassis features an efficient heat dissipation system that increases the spacing between graphics cards, allowing for optimal cooling. Additionally, it accommodates various motherboard sizes, including ITX and ATX, making it a versatile choice for your setup.
Lightweight ATX Open Frame Test Bench
The KUIDAMOS PC Test Bench offers a practical solution for users who need a versatile and spacious computer case. Its lightweight and modular design makes it easy to disassemble and stack, allowing you to customise your setup effortlessly. Made from high-quality 20x20 aluminium alloy, it ensures durability while supporting large ATX power supplies. The clever structure promotes stability, making it ideal for overclocking tests and ensuring that your components remain secure during use.
Thermaltake Core P3 TG Snow Computer Case
The Thermaltake Core P3 offers an impressive open frame design that allows you to build your system from scratch with ease. The 5 mm thick tempered glass panel ensures that your build is durable and displayed with stunning clarity. You can choose to mount it on the wall, or place it vertically or horizontally, giving you flexibility in your setup. Additionally, the special design bracket and riser cable let you showcase your graphics card and power supply, enhancing the overall aesthetic of your build.
Dreuhuing Open Air Steel PC Case
The Dreuhuing Open Air Case offers a DIY assembly experience, allowing you to engage fully in building your own PC. Constructed from high-quality steel, its stable vertical structure ensures reliability while showcasing your components. With a focus on heat dissipation, the open frame design promotes excellent airflow, keeping your system cool during intense gaming sessions. Additionally, the case is compatible with ATX and Micro-ATX motherboards, providing you with the flexibility to create a custom setup tailored to your needs.
Yunseity DIY Open Air Computer Case
The Yunseity Open Air Case features an excellent heat dissipation design, allowing for optimal airflow and cooling for your components. Its open frame structure provides ample space for easy installation and accessibility, making it perfect for DIY enthusiasts. You can easily disassemble and assemble the bare block frame, fully engaging in the DIY experience. Additionally, it supports a variety of motherboard sizes including ATX, M-ATX, and ITX, ensuring compatibility with your existing hardware and offering flexibility for future upgrades.
Bewinner Mini Open Aluminium Alloy PC Case
The Bewinner Open Frame Case offers a unique nude building blocks design that is both lightweight and easy to disassemble. This feature allows you to stack the frame, making it convenient for those who wish to build customised setups. With its simple structure, you can enjoy the fun of DIY assembly, enhancing your creative experience. Made from high-quality 20*20 aluminium alloy, this case ensures stability during use, giving you peace of mind while you work on your PC. Additionally, the open frame design promotes excellent heat dissipation, keeping your components cool and performing optimally.
Frequently Asked Questions (FAQs)
1. Are open PC cases good?
Fact I: Traditional Cases Can Be Dustier than Open-Air Cases These are the places covered with dust easily. On the other hand, open-air PC cases allow airflow to pass through without any obstacle, so there's little chance for the dust to be stuck inside.
2. Does an open PC case matter?
The fact of being open or closed case is not going to be the decisive factor. Airflow and air pressure play a role as well. The only real reason an open case might be better would be in those rarer circumstances like a computer technician where operating with the case open is actually important.
3. What are the different types of computer chassis?
Different Types of PC Chassis. Mini-ITX - Supports motherboards measuring 6.75 x 6.75 inches.MicroATX - Supports motherboards measuring a maximum of 9.63 x 9.63 inches.ATX - Supports motherboards measuring 12 x 9.63 inches (LxW)XL/EATX - Supports motherboards measuring 12x13 inches (LxW)
During our open frame computer cases research, we found 128 open frame computer cases products and shortlisted 10 quality products. We collected and analyzed 18,448 customer reviews through our big data system to write the open frame computer cases list. We found that most customers choose open frame computer cases with an average price of £56.14.
The open frame computer cases are available for purchase. We have researched hundreds of brands and picked the top brands of open frame computer cases, including egowz, OCPC, VIVO, Thermaltake, Ronyme.

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