Building a Mini-ITX PC offers a compact and space-efficient solution for those seeking powerful computing capabilities in a small form factor. Mini-ITX builds have gained popularity among gamers, content creators, and enthusiasts who desire a compact yet capable system without sacrificing performance. In this guide, we will explore the advantages and considerations of Mini-ITX builds, including their features, pros, and cons. Additionally, we will look at some popular Mini-ITX cases and motherboards, highlighting their unique characteristics and helping you make informed decisions when embarking on your own Mini-ITX PC journey. Whether you are looking to build a portable gaming rig or a sleek workstation, this guide will provide valuable insights to help you navigate the world of Mini-ITX PCs.
A Brief Note on Motherboard Sizes
Motherboards come in different sizes, also known as form factors, which determine their physical dimensions and layout. The most common motherboard sizes/form factors are as follows:
- ATX (Advanced Technology EXtended): ATX is the most common and widely used form factor. It typically measures 12 x 9.6 inches (305 x 244 mm) and offers a good balance between expansion slots and size.
- Micro-ATX (mATX): Micro-ATX is a smaller form factor compared to ATX, measuring 9.6 x 9.6 inches (244 x 244 mm). It provides a more compact size while still offering a reasonable number of expansion slots.
- Mini-ITX: Mini-ITX is the smallest mainstream form factor, measuring 6.7 x 6.7 inches (170 x 170 mm). It is suitable for small form factor (SFF) builds or systems with space constraints but typically has fewer expansion slots and connectors.
- Extended ATX (EATX): Extended ATX is a larger form factor than ATX, measuring 12 x 13 inches (305 x 330 mm). It offers more space for additional expansion slots, memory slots, and connectors, making it suitable for high-end systems and enthusiast builds.
- FlexATX: FlexATX is a compact form factor measuring 9 x 7.5 inches (229 x 191 mm). It is primarily used in small form factor systems or specialized cases that require a smaller footprint.
- Mini-STX: Mini-STX (or Mini Socket Technology eXtended) is an ultra-compact form factor measuring 5.5 x 5.8 inches (147 x 140 mm). It is primarily used in small, low-power systems or embedded applications.
These are some of the most common motherboard sizes/form factors, but there are also other less common form factors designed for specific purposes or niche applications.
What are Mini-ITX Builds?
Mini-ITX builds refer to computer systems that are built using Mini-ITX motherboards as the central component. A Mini-ITX motherboard is a small form factor motherboard that measures 6.7 x 6.7 inches (170 x 170 mm). Mini-ITX builds are known for their compact size and are popular among users who prioritize portability or have space constraints.
A Mini-ITX build typically involves selecting a Mini-ITX motherboard and building a system around it. The motherboard provides the foundation for the build, offering the necessary connections and slots for components like the CPU, RAM, storage drives, graphics card, and peripherals.
Here are some key aspects of Mini-ITX builds.
- Chassis: Mini-ITX builds require a compatible chassis or case designed to accommodate the Mini-ITX form factor. These cases are usually compact and may have specific design considerations to optimize space and cooling.
- Components: Mini-ITX builds can utilize standard components such as CPUs, graphics cards, memory, and storage drives. However, you have to consider the size limitations imposed by the compact form factor. Components with smaller dimensions or low-profile designs may be preferred to ensure a proper fit.
- Cooling: Cooling is a crucial consideration in Mini-ITX builds due to the restricted space available. Efficient cooling solutions, such as compact CPU coolers and low-profile graphics card coolers, may be required to maintain optimal temperatures.
- Power Supply: Mini-ITX builds often use small form factor power supplies (SFX or SFX-L) to fit within the limited space of the chassis. These power supplies provide sufficient power while maintaining a compact size.
- Cable Management: Managing cables in a Mini-ITX build can be more challenging due to the limited space. It’s important to plan cable routing carefully to optimize airflow and maintain a clean and organized build.
Mini-ITX builds are versatile and can be used for various purposes, including gaming, media centers, home theater PCs (HTPCs), compact workstations, or portable LAN party machines. They offer the advantage of a smaller footprint and can be easily transported.
However, the small form factor can present some challenges, such as limited expandability and potentially higher temperatures if not properly managed. Nonetheless, Mini-ITX builds are an excellent choice for those seeking a compact and powerful computer system.
What is the Point of Building Mini ITX PCs?
Building Mini-ITX PCs offers several advantages and serves specific purposes. Here are some key points that highlight the benefits of Mini-ITX builds.
The primary advantage of building a Mini-ITX PC is its small form factor. Mini-ITX motherboards are the smallest mainstream form factor, measuring 6.7 x 6.7 inches (170 x 170 mm).
This compact size allows for the construction of significantly smaller and more portable systems compared to larger form factors like ATX or Micro-ATX. Mini-ITX builds are ideal for users who have limited desk space or require a computer that can be easily transported.
Mini-ITX PCs are highly portable due to their compact size. They can be easily carried to LAN parties, gaming events, or used as portable workstations. Their small form factor allows for greater flexibility and mobility compared to larger desktop systems.
Mini-ITX builds often feature unique and visually appealing designs. The smaller form factor allows for compact and stylish cases that can be showcased on a desk or integrated into home theater setups. Mini-ITX PCs can be a great choice for users who prioritize aesthetics and want a visually appealing system.
Despite their small size, Mini-ITX builds are capable of delivering high performance. They can accommodate powerful CPUs, dedicated graphics cards, and ample storage and memory.
This makes them suitable for a variety of applications, including gaming, multimedia, home theater PCs (HTPCs), compact workstations, and even small server setups.
Mini-ITX builds often consume less power compared to larger systems. With advancements in technology, power-efficient components, and optimized thermal designs, it is possible to build Mini-ITX PCs that are both compact and energy-efficient.
Building a Mini-ITX PC can be a fun and challenging experience. The compact size requires careful planning, cable management, and component selection to ensure everything fits and functions properly.
Many enthusiasts enjoy the process of building and customizing small form factor PCs, which can offer a sense of accomplishment and satisfaction.
While there are advantages to building Mini-ITX PCs, they have some limitations compared to larger form factors. The smaller size may result in reduced expandability, limited space for cooling solutions, and potentially higher temperatures if not managed effectively.
However, with proper planning and component selection, these challenges can be mitigated, and Mini-ITX builds can deliver excellent performance in a small and portable package.
Limitations of Mini-ITX Builds
Building a Mini-ITX PC comes with its own set of drawbacks. Let us explore some major disadvantages of Mini-ITX PCs.
Mini-ITX motherboards have fewer expansion slots compared to larger form factors like ATX or Micro-ATX. This limits the potential for adding additional components such as expansion cards or multiple graphics cards. Upgrading or expanding the system may be more challenging due to the restricted space available.
The compact size of Mini-ITX builds can present challenges for cooling. Limited space can restrict the use of larger cooling solutions, and proper airflow becomes crucial. Careful planning and component selection are required to ensure adequate cooling and prevent thermal throttling.
Due to the smaller size, cable management can be more challenging in Mini-ITX builds. Proper cable routing and organization are important to optimize airflow and maintain a clean build. The limited space may require extra effort and creativity to achieve an aesthetically pleasing and well-managed system.
Mini-ITX builds may require specific components designed for compact form factors. This can limit the availability of certain components or require opting for specialized versions that may be more expensive.
The smaller form factor of Mini-ITX builds can lead to higher temperatures if not properly managed. Limited space for cooling solutions and components being positioned closely together may result in increased heat buildup. Effective cooling and airflow management are essential to prevent overheating and maintain optimal performance.
Popular Mini ITX Cases
There are numerous popular Mini-ITX cases available on the market, each offering unique features, designs, and sizes. Here are a few popular Mini-ITX cases that have garnered positive reviews and have been well-received by users.
NZXT H210/H210i
The NZXT H210/H210i is a compact Mini-ITX case that offers a sleek and minimalist design. It features a tempered glass side panel, good cable management options, and support for multiple radiator configurations. The H210i variant also includes an integrated RGB lighting system and a smart device for advanced control.
Features
- Sleek and minimalist design
- Tempered glass side panel (H210i variant includes an integrated RGB lighting system)
- Good cable management options
- Support for multiple radiator configurations
Pros
- Attractive design with clean aesthetics
- Easy cable management
- Versatile cooling options
- Integrated RGB lighting (H210i variant)
Cons
- Limited space for larger graphics cards
- Potential airflow restrictions in certain configurations
Fractal Design Define Nano S
The Define Nano S by Fractal Design is a compact and silent Mini-ITX case with a clean and understated aesthetic. It offers excellent build quality, ample space for storage drives, and support for water cooling. The sound-dampening materials used in the case help reduce noise levels.
Features
- Clean and understated aesthetic
- Ample space for storage drives
- Support for water cooling
- Sound-dampening materials for reduced noise
Pros
- Excellent build quality
- Good storage options
- Effective noise reduction
- Water cooling support
Cons
- Limited space for large CPU coolers
- Potential limitations in GPU length
Cooler Master NR200/NR200P
The Cooler Master NR200/NR200P is a highly regarded compact Mini-ITX case known for its excellent airflow and flexible configuration options. It supports high-end graphics cards, multiple radiator placements, and has a modular design for easy customization. The NR200P variant also includes a tempered glass side panel and PCIe riser cable.
Features
- Excellent airflow
- Support for high-end graphics cards
- Multiple radiator placements
- Modular design for customization
- NR200P variant includes a tempered glass side panel and PCIe riser cable
Pros
- Great cooling performance
- Compact and portable
- Versatile configuration options
- Included tempered glass side panel (NR200P variant)
Cons
- Limited space for cable management
- Can be challenging to work in due to tight spaces
Lian Li TU150
The Lian Li TU150 is a compact Mini-ITX case that offers a unique blend of aesthetics and portability. It features an aluminum exterior, a built-in handle, and a tempered glass side panel. Despite its small size, it supports full-sized graphics cards, multiple storage drives, and efficient airflow.
Features
- Aluminum exterior
- Built-in handle for portability
- Tempered glass side panel
- Support for full-sized graphics cards
- Multiple storage drive support
Pros
- Stylish and portable design
- Good build quality
- Supports high-end components
- Efficient airflow
Cons
- Limited cable management options
- Potential limitations in CPU cooler height
Phanteks Evolv Shift/Evolv Shift Air
The Phanteks Evolv Shift and Evolv Shift Air are vertical Mini-ITX cases that stand out with their distinctive tower-like design. These cases prioritize aesthetics and provide a compact footprint while accommodating high-end components. They feature tempered glass panels, excellent cable management, and support for water cooling.
Features
- Tower-like vertical design
- Tempered glass panels
- Excellent cable management
- Support for water cooling
Pros
- Unique and eye-catching design
- Compact footprint
- Good cable management options
- Water cooling support
Cons
- Limited space for large CPU coolers
- Potential thermal challenges in certain configurations
These are just a few examples of popular Mini-ITX cases, and there are many more options available from various manufacturers. When choosing a case, consider factors such as size, design, airflow, expansion options, and compatibility with your desired components to ensure a suitable fit for your Mini-ITX build.
Popular Mini ITX Motherboards
Here are some popular Mini-ITX Motherboards.
ASUS ROG Strix Z590-I Gaming
The ASUS ROG Strix Z590-I Gaming is a high-end Mini-ITX motherboard designed for Intel’s 11th and 10th generation Core processors. It features the Intel Z590 chipset, providing support for PCIe 4.0 and offering excellent performance.
With dual M.2 slots with heatsinks, Intel Wi-Fi 6E, and Bluetooth 5.2, it offers fast storage options and reliable wireless connectivity. The motherboard also includes USB 3.2 Gen 2×2 Type-C ports and delivers a premium gaming experience with its robust power delivery and overclocking capabilities.
Features
- Intel Z590 chipset
- Supports 11th and 10th generation Intel Core processors
- PCIe 4.0 support
- Dual M.2 slots with heatsinks
- Intel Wi-Fi 6E and Bluetooth 5.2
- USB 3.2 Gen 2×2 Type-C ports
Pros
- High-quality components and robust power delivery
- Excellent overclocking capabilities
- Comprehensive connectivity options
- Strong audio performance
- Dual M.2 slots with heatsinks for fast storage
Cons
- Higher price point compared to some other Mini-ITX motherboards
- Limited fan headers
Gigabyte X570 I Aorus Pro WIFI
The Gigabyte X570 I Aorus Pro WIFI is a feature-packed Mini-ITX motherboard designed for AMD Ryzen processors. It utilizes the AMD X570 chipset, providing PCIe 4.0 support for enhanced performance.
The motherboard features dual M.2 slots with heatsinks for fast storage, Intel Wi-Fi 6 and Bluetooth 5.0 for seamless connectivity, and USB 3.2 Gen 2 Type-C ports for high-speed data transfer. With its strong power delivery and reasonable price, it offers a balance of performance and value for mini-ITX builds.
Features
- AMD X570 chipset
- Supports AMD Ryzen processors
- PCIe 4.0 support
- Dual M.2 slots with heatsinks
- Intel Wi-Fi 6 and Bluetooth 5.0
- USB 3.2 Gen 2 Type-C ports
Pros
- Strong VRM design for stable power delivery
- Good overclocking potential
- Dual M.2 slots with heatsinks
- Comprehensive rear I/O connectivity
- Reasonable price for an X570 motherboard
Cons
- Limited fan headers
- No onboard debug LEDs
MSI MPG B550I Gaming Edge WIFI
The MSI MPG B550I Gaming Edge WIFI is a Mini-ITX motherboard built for AMD Ryzen processors. Featuring the AMD B550 chipset, it supports PCIe 4.0 and offers strong performance.
The motherboard includes dual M.2 slots with heatsinks, Intel Wi-Fi 6 and Bluetooth 5.1 for reliable wireless connectivity, and USB 3.2 Gen 2 Type-C ports for fast data transfer. With its stable power delivery and reasonable pricing, it provides a solid foundation for gaming and productivity-focused mini-ITX systems.
Features
- AMD B550 chipset
- Supports AMD Ryzen processors
- PCIe 4.0 support
- Dual M.2 slots with heatsinks
- Intel Wi-Fi 6 and Bluetooth 5.1
- USB 3.2 Gen 2 Type-C ports
Pros
- Good power delivery and stable performance
- Reasonably priced for a B550 motherboard
- Dual M.2 slots with heatsinks
- Strong rear I/O connectivity
- Support for Mystic Light RGB lighting
Cons
- Lacks debug LEDs
- Limited fan headers
ASRock B550 Phantom Gaming-ITX/ax
The ASRock B550 Phantom Gaming-ITX/ax is a Mini-ITX motherboard designed for AMD Ryzen processors. It utilizes the AMD B550 chipset, offering PCIe 4.0 support and competitive performance.
This motherboard features dual M.2 slots with heatsinks for fast storage, Intel Wi-Fi 6 and Bluetooth 5.1 for seamless connectivity, and USB 3.2 Gen 2 Type-C ports for convenient data transfer. With its solid power delivery, support for Polychrome SYNC RGB lighting, and strong rear I/O connectivity, it is a reliable choice for compact gaming systems.
Features
- AMD B550 chipset
- Supports AMD Ryzen processors
- PCIe 4.0 support
- Dual M.2 slots with heatsinks
- Intel Wi-Fi 6 and Bluetooth 5.1
- USB 3.2 Gen 2 Type-C ports
Pros
- Good power delivery and stable performance
- Affordable price for a B550 motherboard
- Dual M.2 slots with heatsinks
- Support for Polychrome SYNC RGB lighting
- Strong rear I/O connectivity
Cons
- Limited BIOS options compared to some competitors
- Lacks debug LEDs
ASUS ROG Crosshair VIII Impact
The ASUS ROG Crosshair VIII Impact is a premium Mini-ITX motherboard designed for AMD Ryzen processors. It features the AMD X570 chipset, offering PCIe 4.0 support and exceptional performance.
This motherboard includes dual M.2 slots with heatsinks for high-speed storage, Intel Wi-Fi 6 and Bluetooth 5.0 for reliable wireless connectivity, and USB 3.2 Gen 2 Type-C ports for fast data transfer. With its top-notch power delivery, excellent overclocking capabilities, and comprehensive rear I/O connectivity, it caters to enthusiasts seeking high-performance mini-ITX systems.
Features
- AMD X570 chipset
- Supports AMD Ryzen processors
- PCIe 4.0 support
- Dual M.2 slots with heatsinks
- Intel Wi-Fi 6 and Bluetooth 5.0
- USB 3.2 Gen 2 Type-C ports
Pros
- Premium components and top-notch power delivery
- Excellent overclocking capabilities
- SupremeFX audio technology for high-quality audio
- Dual M.2 slots with heatsinks
- Comprehensive rear I/O connectivity
Cons
- Higher price point compared to other Mini-ITX motherboards
- Limited fan headers
Conclusion
Mini-ITX builds offer a compelling option for those seeking a compact and powerful PC setup. With their small form factor, these systems provide flexibility, portability, and efficient use of space without compromising on performance.
In this guide, we have explored the benefits and limitations of Mini-ITX builds, highlighting the features, pros, and cons of popular Mini-ITX cases and motherboards.
While Mini-ITX builds come with their own set of challenges, such as limited expansion options and potential thermal constraints, advancements in technology have minimized these limitations, making them a viable choice for a wide range of applications.
By selecting the right Mini-ITX case and motherboard, you can create a system that not only fits in limited spaces but also delivers the performance and functionality you desire. Remember to consult official product specifications and user reviews to ensure compatibility and make informed decisions.
Whether you’re a gamer looking for a portable gaming rig, a content creator in need of a compact workstation, or someone seeking an aesthetically pleasing PC setup, Mini-ITX systems offer a compelling solution.
As you embark on your Mini-ITX build journey, it is important to carefully consider your specific needs, budget, and the components that align with your goals. Pay attention to factors such as power delivery, cooling solutions, connectivity options, and compatibility with your preferred processor and peripherals.
