How to Choose the Right PC Case Size for Any Build

How to Choose the Right PC Case Size for Any Build

As someone who has built multiple PCs throughout my life, I can confidently say that choosing the right case size is a crucial decision that shouldn’t be taken lightly. In my early days of PC building, I opted for a full-tower case because I wanted the biggest and best components money could buy. However, I soon realized that the large dimensions and hefty price tag were unnecessary for my needs.


There are various approaches to assembling a PC, with some buyers accumulating vital parts like CPUs and GPUs first. Often, builders are ready to create their dream rig but lack the best case to hold these components. Fortunately, the range of PC case sizes is vast and can accommodate the largest graphics cards or keep a compact system running efficiently.

When it comes to choosing a PC case, the motherboard size – be it mini ITX, microATX, or ATX – can significantly narrow down your options. Yet, there are cases that accommodate multiple form factors, expanding your choices. While making your decision, think about factors such as the amount of space you have and the number of cooling fans required. Lastly, consider your personal taste, as cases come in a variety of colors and materials to suit different styles.

Small Form Factor Cases

How to Choose the Right PC Case Size for Any Build

Compact computer cases (often referred to as Small Form Factor or SFF) are perfect for individuals who have limited space and small workspaces, such as those with modest desks. However, the appeal of these petite enclosures isn’t solely about saving space. In fact, fitting potent components into smaller cases can be challenging, but the benefits often outweigh the complications. These systems tend to operate quietly and efficiently, making them a great choice for energy-conscious users. Moreover, their diminutive size allows them to blend seamlessly with other electronic devices on a TV stand in living or media rooms.

As a mini ITX PC build enthusiast, I’ve come to appreciate the popularity of this compact form factor among case sizes. Manufacturers go the extra mile to fit lengthy GPUs into these petite cases while ensuring sufficient room for proper airflow. Game Rant highly recommends the Thermaltake The Tower 100 as the best Mini ITX case due to its minimal compromises. Its design, reminiscent of an Xbox Series X|S console, saves precious desktop space. Realizing that heat rises, prioritizing sufficient ventilation is crucial. This case boasts fans on both its top and back panels, effectively expelling warm air from within.

The Thermaltake The Tower 100 is large enough to house GPUs up to 330 mm long, sufficient for even some RTX 4090 cards. Still, not all mini ITX cases have this much free space, and even more compact alternatives exist. Buyers with modern graphics cards will find that Thermaltake’s Core V1 can only fit 285 mm GPUs, making it more appropriate for a media PC relying on integrated graphics.

While a mini ITX case may accommodate tall CPU coolers and graphics cards due to its spaciousness, it might not be the ideal choice for a builder. The compact nature of smaller enclosures restricts the possibilities for adding fans, AIO liquid coolers, and creating efficient cooling arrangements. Having large components in place that impede airflow can make the building process more challenging.

Managing cables is a frequent challenge when building mini ITX PCs due to their compact components. The process of arranging cables in confined spaces can be exasperating, as these systems lack ample room for concealing wires within large compartments.

Although there are certain disadvantages, there’s been a continuous shift towards compact workstations, games, and media systems. Graphics cards aren’t part of this trend, but the rise in slim components like NVMe SSD storage has made Small Form Factor cases attractive. These cases often require motherboards that are compatible, with mini ITX power supplies being common too. Typically, it can be harder to find deals on these specific parts compared to standard ATX components.

Small Form Factor Case Summary
Pros Cons
Small footprint Less cooling options
Looks appropriate in living rooms Trickier cable management
Recent mini ITX cases designed for larger GPUs Some parts are more expensive

MicroATX Cases

How to Choose the Right PC Case Size for Any Build

For those constructing a PC, MicroATX cases represent a size upgrade option, similar in many aspects to scaled-down mid-tower chassis. Compared to mini ITX components, there’s a wider variety of more affordable microATX parts available. Therefore, these cases are ideal for budget-conscious buyers who find larger cases take up more than necessary space.

In terms of expandability, mid-tower ATX cases often outshine microATX alternatives because they typically offer more USB ports and PCIe slots. This can be crucial for certain builds as the limited number in microATX cases may cause issues. Furthermore, it’s rare to take advantage of multiple graphics cards with microATX options, although this has become less relevant as single GPU setups have grown in popularity. However, the Fractal Design Pop Mini Air is a microATX case that creatively makes the most of its limited space.

The Pop Mini Air’s design shares many resemblances with its bigger sibling, the Pop Air. However, users might be taken aback by the compact case’s capacity to house up to three standard 3.5-inch hard drives and six solid-state drives. Although this decreases the overall storage when in operation, the Pop Mini Air comes equipped with a detachable bottom tray for optical drive installation. Moreover, it provides room for three preinstalled 120mm fans that suck in cool air via the front honeycomb mesh and expel warm air from the backside. In contrast, most microATX cases encounter challenges when trying to install 360mm AIO liquid coolers, typically offering only 240mm configurations as an option.

MicroATX cases offer a variety of budget-friendly options for powerful gaming computers. While Fractal Design cases aren’t typically known for affordability, the Pop Mini Air is currently one of the best value choices. Due to the cost savings from using microATX motherboards instead of larger ATX versions, microATX enclosures are the top pick among case sizes for achieving high-end performance on a smaller budget.

MicroATX Case Summary
Pros Cons
More affordable form factor than mini ITX microATX motherboards have fewer ports and slots
Saves space compared to mid-tower ATX cases Installing larger components can be difficult
Very few performance limitations

Mid-Tower Cases

How to Choose the Right PC Case Size for Any Build

As a gaming enthusiast for quite some time now, mid-tower ATX cases have been my go-to choice due to their widespread acceptance in the market. However, recently, compact cases have started gaining traction. Despite this shift, mid-towers continue to lead the pack when it comes to versatility. These enclosures are engineered to accommodate ATX motherboards and power supplies, yet they come in a myriad of sizes, offering flexibility.

Mid-tower computer cases are designed to accommodate large and high-performance graphics cards and CPU coolers. Notable models, such as the MSI MPG Gungnir 300R Airflow, even allow users to install GPUs vertically to maximize interior space or access lower motherboard connectors. The MPG Gungnir 300R features an adjustable and illuminated GPU holder to prevent sagging. While various mid-tower sizes are available, the MPG Gungnir 300R epitomizes the versatility of this popular case category.

The appearance of a mid-tower case can vary dramatically from one model to another. More recently, dual-chamber cases like the Corsair iCUE Link 6500X have become in demand. In stark contrast to tall and thin designs, the iCue Link 6500X is wider, with tempered glass panels wrapping around the enclosure’s front panel. Consequently, gamers have a larger view of their RGB components. More practically, dual-chamber cases devote a section to cable management, where builders can hide cables behind motherboards. Mid-tower cases are highly adaptable to evolving parts, and this Corsair case is compatible with new reverse connection motherboards like MSI’s Project Zero collection.

In the end, ATX cases are ideal for gamers aiming to maximize performance. However, some mid-tower cases are more accommodating towards a vast number of fans and liquid cooling systems. When selecting a case, consider how well its features align with your build requirements, particularly if you plan on overclocking CPUs.

Mid-Tower Case Summary
Pros Cons
Huge variety of designs and styles Specs lack consistency
Compatible with parts from other form factors Some cases take up considerable space
Many models are easily customized

Full-Tower Cases

How to Choose the Right PC Case Size for Any Build

Extra-large PC cases might be losing popularity among some users, but they offer distinct benefits for gamers. If a shopper desires a case compatible with any component selection, a full-tower case is hard to beat. These cases allow builders the freedom to explore various cooling setups that can accommodate almost an endless number of fans.

Full-tower cases generally come with a higher price tag than their smaller counterparts, such as the Phanteks Enthoo Pro. However, this investment is justified due to their numerous benefits. They offer ample interior space, making them ideal for critical servers and highly durable systems. The thick steel panels and sound-absorbing foam used in these cases ensure a surprisingly quiet operation. Full-tower cases can house up to 200 mm fans and large radiators, resulting in improved airflow and reduced noise levels compared to using multiple smaller fans. Additionally, they provide ample room for advanced cooling systems to keep high-performance CPUs and GPUs operating quietly.

Large traditional cases typically sport a functional industrial appearance, but contemporary designs like the Lian Li 011 Dynamic Evo XL are now incorporating more style. This extra-large case is popular among RGB enthusiasts who love to fill it with glowing fans. Despite its focus on aesthetics through numerous tempered glass panels, the 011 Dynamic Evo XL includes mounting points for extensive 420 mm radiators. The case also accommodates E-ATX motherboards, a preferred choice among overclockers due to their robust construction and larger heat dissipation capabilities.

Full tower cases present two major challenges: their heavy weight and large size. While some models like the 011 Dynamic Evo XL can accommodate up to four 3.5-inch hard drives, these traditional storage solutions are less common in contemporary builds due to the shrinking size of components. Consequently, the benefits of full tower cases no longer hold as much appeal for most users.

Full-Tower Case Summary
Pros Cons
Large enough for E-ATX motherboards Most expensive case size
Supports massive fans and radiators Builds often don’t take advantage of storage capabilities
Many cases have excellent build quality

Finding the Perfect PC Case

How to Choose the Right PC Case Size for Any Build

When picking out a case for your computer build, it’s not just about choosing the one that catches your eye on a gaming desk. Instead, buyers should first take into account the different sizes of PC cases available, and pick the one that best accommodates their hardware components.

Small Form Factor (SFF) case designs are specifically engineered to accommodate mini ITX motherboards and compact power supplies. Yet, builders have the flexibility to house these components in larger cases if they desire a more spacious chassis. The primary appeal of SFF models lies in their diminutive size, making them an excellent fit for cramped spaces such as home theaters or small workstations. However, working within the snug quarters of these miniature cases can be an irritating experience. Additionally, components adhering to the mini ITX form factor tend to carry a higher price tag than their larger counterparts, despite their reduced dimensions.

As a budget-conscious gamer, I’ve discovered that microATX cases are an excellent choice when building a powerful yet affordable gaming PC. These compact cases offer reasonable prices without compromising on compatibility with high-speed processors and memory. Plus, they provide just enough space for longer GPUs to fit comfortably. However, ATX parts aren’t much more expensive, and mid-tower cases remain the crowd favorite. Narrowing down my options among mid-tower cases is a real challenge due to their various shapes, sizes, and styles.

Most consumers don’t need the excess storage and room provided by full-tower computer cases because it often goes unused. However, these cases can accommodate the strongest cooling systems and are designed for long-term durability.

Based on the design of your computer, selecting an incorrect case size may cause overheating issues and hinder future upgrades. Regardless if you opt for a compact or spacious case, make sure it supports optimal performance both currently and in the long run for your PC.

FAQ

Q: What’s bigger than the ATX form factor?

As an enthusiast, I’ve come to appreciate the expansive nature of E-ATX motherboards. These bad boys are the largest in the family, offering a wealth of options for consumers. The combination of E-ATX motherboards and full-tower cases creates a system that’s almost infinitely scalable. However, it’s important to note that this setup demands a significant amount of space, is often pricey, and can be quite power-hungry.

Q: Is microATX good for gaming?

For budget-conscious gamers, opting for MicroATX motherboards and cases is a popular choice due to their affordability and functionality. These options offer a good balance between size and capabilities, surpassing miniITX in various aspects for many users. However, it’s essential to double-check if your preferred graphics card (GPU) will fit within these compact cases before making a purchase. Generally, there are minimal compatibility concerns with other components.

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2024-07-30 01:07