Top 5 Gaming PC Cases Under $100: Best Budget Builds

Ever dreamed of building your own powerful gaming PC without breaking the bank? It’s totally possible! But when you start looking for a gaming computer case that costs less than $100, things can get a little tricky. You want something that looks cool and keeps your computer parts safe and cool, but you also don’t want to spend too much money.

Finding the perfect case under $100 can feel like a treasure hunt. You worry about whether it will fit all your parts, if it will get too hot inside, or if it just won’t look good on your desk. It’s a common problem for gamers who want to upgrade or build their first rig without spending a fortune.

This post is here to help! We’ll dive into the best options available so you don’t have to spend hours searching. By the end, you’ll know exactly what to look for and be ready to pick a fantastic gaming case that fits your budget and your style. Let’s explore the world of affordable gaming PC cases!

Top Gaming Computer Case Under 100 Recommendations

No. 1

MOROVOL PC Case Pre-Install 4 RGB Fans, ATX Gaming Computer Case with Diamond-Shaped Mesh Front...

4PCS RGB Fans For Gifts - The 621 gaming pc tower case is pre-installed with 4 RGB 120mm case fans, which are fixed RGB lighting capable and can provide the atx case considerable airflow to enhance cooling. (Note: The lighting is fixed, not addressable.).
Tempered Glass Side Panel - The mid tower pc case is designed with removable tempered glass side panel. The precise design makes this computer case both solid and beautiful. The glass pc case has high light transmittance, which can perfectly display your accessories. The removable glass side panel also makes it easy to install internal PC components.
Precise Design - Morovol 621-N4 computer tower case supports ATX / Micro-ATX / Mini-ITX, the GPU is up to 300mm, the PSU is up to 160mm and the CPU cooling height is up to 155mm. In addition, this black pc case can support to install 2 x 2.5 "SSDs + 2 x 3.5" HDDs.
Perfect Airflow - The diamond mesh front panel of this atx pc case is the optimal cooling performance panel that features a stereo contour. While this pc case with fans can provide amazingly high airflow, it can also showcase great lighting effects. So you don't have to worry about the heat dissipation during the operation of the pc tower case and enjoy it wantonly.

SaleNo. 2

MUSETEX ATX PC Case Pre-Install 6 PWM ARGB Fans, Polygonal Mesh Computer Gaming Case, Opening...

After view MUSETEX item description,you will be pleasantly surprised by our configuration.Reasons:①Has 6 auto-adjustable speed PWM ARGB fans;②Computer cases Bestselers top10 are all old designs,none of which are as popular as our cases that have side opening door.No need to remove screws,can super easily open inner case to clean radiator and graphics card dust,also easy to put in different dolls.Friends will think your case is cool!
6 Highly Configurable PWM ARGB Fans Pre-installed- (1) Ensure your motherboard has a 3PIN rgb interface and use the motherboard lighting software to control the fans, each addressable ARGB fan can offer 16.8 million colors of special customizable lighting. (2) Adjustable speed PWM fans allow pc case for better silence and better cooling depending on demand. Also the fan with new upgraded bearings greatly extends the service life. Easy disassembly operation facilitates PC hardware assembly.
Expensive Glass Side Door - Not only is it more stylish than other brands of gaming cases, but it also solves cooling problems much better. Tempered glass side panel with metal pull ring and magnets that can be opened at any time for 76% better cooling than non-side-opening mid-tower pc cases. Easily install internal PC components and place any hand puppet you like. Add to the fun!
Large-space ATX mid-tower case - Meets the installation needs of over 95% of customers. Plenty of room to easily install the top 280 water drain without touching the memory sticks. Plenty of space for cable management in case, provides multiple HDD mounting slots, large storage capacity, maximum capacity 5*SSD+1*HDD/4*SSD+2*HDD.

No. 3

MUSETEX PC CASE ATX 6 PWM ARGB Fans Pre-Installed, Type-C Mid Tower Computer Case with Full-View...

MUSETEX brings you gaming computer case K2,both a visual experience and a first-class installation experience,high configuration,high cost performance. Pc case pre-install 6 PWM ARGB fans,strong cooling performance; Large case installation space; The 270° fully transparent dual tempered glass panel, a wider field of view and better than most of same cases on market, can display users' high-end and cool PC hardware and beloved dolls, and will gain friends' cool admiration!
Tower Case Powerful Space Layout-The internal structure of ATX case is orderly divided by MUSETEX,each installation space is skillfully laid out,due to the powerful hardware compatibility,installation without blocks,players can enjoy the charm of gaming according to their favorite diverse DIY! Compatible with most mainstream hardware in the market,support GPU up to 420mm(16.54"), support CPU cooling height up to 178mm, support top mounting up to 360mm liquid RAD and support PSU up to 238mm(9.37").
Upgrade High Speed IO Panel - MUSETEX PC case is rich in external interfaces to increase the cost, configured with 2 USB 3.0 and TYPE-C high speed interfaces to facilitate the connection of various new standard devices, enjoy higher transfer rates and save waiting time; enjoy the wonderful experience brought by higher power supply. The Reset button and AUDIO interface are fully configured to meet the multi-functional needs of daily office and gaming
Good heat dissipation/cool effects all want - MUSETEX pre-install 6 adjustable speed ARGB fans in tower case for lighting enthusiasts,through motherboard software control,customize various light modes,colorful and dazzling lights!Fans use anti-vortex blades to ensure proper airflow inside case, use software regulates fans' speed fully,along with stable air intake performance of side fans, achieving better cooling performance than ordinary computer cases, extending the life of the hardware!

SaleNo. 4

MUSETEX ATX PC Case 7 PWM ARGB Fans Pre-Installed, Type-C Mid Tower Computer Case with Full-View...

【MUSETEX presents the K2 gaming pc case】both a visual experience and a first-class installation experience,high configuration,high cost performance. Equipped with 7 pre-installed PWM ARGB fans and expandable to 10 total, it delivers exceptional cooling power to keep high-end hardware chilled during intense sessions. Featuring a 270° panoramic dual tempered glass design offering wider field of view than most similar cases, can display users' high-end and cool PC hardware and beloved dolls, and will gain friends' cool admiration
【Tower Case Powerful Space Layout】The internal structure of the MUSETEX ATX chassis is clearly partitioned, with each installation space thoughtfully arranged. It is compatible with most common hardware components on the market, supporting GPUs up to 400 mm (15.7") in length, CPU coolers up to 165 mm (6.5") in height, and top-mounted liquid coolers up to 360 mm (14.2"). It supports power supply units up to 140 mm (5.5") in length when the hard drive cage is installed, and up to 150–180 mm (5.9–7.1") in length without the hard drive cage
【Upgrade High Speed IO Panel】1 x Type-C, 2 x USB 3.0, Microphone & Audio, Power Button, Restart Button
【Good heat dissipation/cool effects all want】MUSETEX pre-installs 7 adjustable speed ARGB fans in the tower case for lighting enthusiasts. Through motherboard software control, you can customize various light modes and adjust fan speeds for colorful, dazzling lights with optimized cooling performance

SaleNo. 5

Wigojoy Computer Desktop Tower Large Carrying Case, PC Travel Case for Computer Moving, Portable...

Quality Materials: The high-density 5mm EPE inner lining, combined with wear-resistant 600D Oxford cloth outer layer, effectively absorbs impact and vibration during transportation, providing all-round protection for your computer tower, server, or other valuable electronic devices from bumps, squeezes, and drops
Large Capacity: Our bag is specifically designed for computer desktop tower case. The size of the desktop carrying case is 20.67 x 9.8 x 18.9 inch. So in addition to loading your desktop computer case, you can also fit other accessories in the box, such as GPU card, radiators, etc. Carrying case sizes that are compatible with mainstream motherboard form factors such as ATX, M-ATX
Adequate Storage Space: Besides the main compartment, the bag has multiple pockets. Three zippered pockets are on the front: the bottom one for the keyboard, the top-left with elastic straps for cables, and the right fleece elastic one for a mouse or power bank. Two side mesh pockets hold water bottles. A zippered mesh pocket inside the top cover also stores a keyboard and mouse
Move Solutions: With this bag you won't have to worry about how you're going to get your computer case out of the house. Without this bag, you'll be scratching your head trying to get your case to your new place when you move. And how to take it on a plane on a long business trip or travel, This is a specialized computer travel case, also great move solution

No. 6

MOROVOL PC Case Pre-Install 4 RGB Fans, ATX Gaming Computer Case with Diamond-Shaped Mesh Front...

4PCS Outer-Ring LED Fans For Gifts - The 621-B gaming pc case comes pre-installed with 4 120mm addressable outer-ring LED fans which support a variety of dynamic lighting effects, delivering rich and vibrant visual displays. The multi-fan configuration effectively optimizes internal airflow, enhancing overall system cooling performance.
Tempered Glass Side Panel - The mid tower pc case is designed with removable tempered glass side panel. The precise design makes this computer case both solid and beautiful. The glass pc case has high light transmittance, which can perfectly display your accessories. The removable glass side panel also makes it easy to install internal PC components.
Precise Design - Morovol 621-B computer tower case supports ATX / Micro-ATX / Mini-ITX, the GPU is up to 300mm, the PSU is up to 160mm and the CPU cooling height is up to 155mm. In addition, this black pc case can support to install 2 x 2.5 "SSDs + 2 x 3.5" HDDs.
Perfect Airflow - The diamond mesh front panel of this atx pc case is the optimal cooling performance panel that features a stereo contour. While this pc case with fans can provide amazingly high airflow, it can also showcase great lighting effects. So you don't have to worry about the heat dissipation during the operation of the pc tower case and enjoy it wantonly.

SaleNo. 7

Zalman T8 ATX Mid-Tower Desktop Computer Gaming PC Case

Preinstalled 120mm rear fan for efficient air cooling. Total of 4 fans can be installed.
5.25" ODD slot with removable front cover
RGB led strip on front panel installed
Top PSU slot for unique features and dedicated cooling efficiency.

SaleNo. 8

KEDIERS PC CASE ATX 5 Fans Pre-Installed, Type-C Mid Tower Computer Case with Full-View Dual...

[Cooling ATX PC Case from KEDIERS K4(MAX)]-- Reason---Pre-installed 5 PC Cases Fans (Includes 3 * 120mm intake fan, rear end 2 * 120mm exhaust fan).
[Panoramic Design with 270°Wide Angle View ]-- The 270°panoramic mid tower case features fully glass-covered front and side panels, providing a clear view of internal hardware. Diamond cut angles offer a transparent and aesthetically pleasing display, creating a unique visual effect;providing great comfort for office/gaming environments!
[Upgrade High Speed IO Panel ]-- KEDIERS PC case is rich in external interfaces to increase the cost, configured with USB 3.0 and TYPE-C high speed interfaces to facilitate the connection of various new standard devices, enjoy higher transfer rates and save waiting time; enjoy the wonderful experience brought by higher power supply. The Reset button and AUDIO interface are fully configured to meet the multi-functional needs of daily office and gaming.
[Remarkable Expansion]-- (1)The Mid Tower Gaming Computer Case supports ATX / Micro-ATX / Mini-ITX motherboards.(2) Support 420mm & 360mm Radiator (3) CPU cooler height maximum 175MM (4) GPU length maximum 460MM (5) Power supply type ATX up to 200MM (6) Equipped with HDD and SSD trays (7) Expansion PCIE-Slots 7 (8)Fits up to 11 x 120mm Case Fans and 3x simultaneous radiators.

Your Guide to Awesome Gaming PC Cases Under $100

Finding a great gaming PC case doesn’t have to cost a lot of money. You can build a powerful and good-looking gaming rig without breaking the bank. This guide will help you pick the best gaming PC case for under $100.

Key Features to Look For

When you shop for a gaming PC case, a few things are super important.

Airflow and Cooling

Good airflow keeps your computer parts cool. This is vital for gaming because powerful parts get hot. Look for cases with mesh fronts or plenty of fan mounts. More fans mean better cooling.
Having enough space for fans is a big deal. Some cases let you add many fans. Others only let you add a few.

Size and Compatibility

Cases come in different sizes. The most common for gaming are Mid-Tower and Full-Tower. Mid-Towers are great for most builds. Full-Towers offer more space but can be too big for some desks.
Make sure the case fits your motherboard. Motherboards come in different sizes like ATX, Micro-ATX, and Mini-ITX. The case must support your motherboard’s size.
Check if your graphics card will fit. Some graphics cards are very long. You need to know the maximum GPU length the case supports.

Storage Options

You’ll need space for hard drives and SSDs. Look for cases with enough drive bays. These are the spots where you install your storage.
Many cases have tool-less drive bays. This makes installing drives much easier. You don’t need screws.

Cable Management

Good cable management makes your PC look neat and helps with airflow. Look for cases with cutouts and tie-down points. These help you hide wires behind the motherboard tray.
A clean build is a happy build. It also makes it easier to work on your PC later.

Front Panel I/O

The front panel has buttons and ports. Look for USB ports (like USB 3.0) and audio jacks. These are handy for plugging in devices.
Some cases have more USB ports than others. Think about how many devices you usually plug in.

Important Materials

Most budget gaming PC cases use a mix of materials.

Steel: This is the most common material. It’s strong and durable. Most of the case’s frame and panels are made of steel.
Plastic: This is often used for the front panel, feet, and some internal parts. It’s lightweight and can be molded into different shapes.
Tempered Glass: Many gaming cases have a side panel made of tempered glass. This lets you see your computer’s insides. It looks cool and shows off your components. Make sure the glass is thick enough to avoid easy breakage.

Factors That Improve or Reduce Quality

Several things make a case better or worse.

Build Quality: A well-built case feels solid. It doesn’t bend or flex easily. Cheaper cases might feel flimsy.
Ease of Building: Cases with good cable management and tool-less drive bays make building your PC much simpler. If a case is hard to work in, it reduces the user experience.
Included Fans: Some cases come with pre-installed fans. This saves you money. The quality of these fans can vary. Better fans are quieter and move more air.
Dust Filters: Dust filters are important for keeping your PC clean. They are usually found on the front and bottom of the case. Cases with good, easy-to-clean dust filters are a big plus.

User Experience and Use Cases

A good PC case makes using your computer a joy.

Gaming: The main use case is housing gaming components. Good airflow is key here. Cases with RGB lighting also add to the gaming aesthetic.
General Use: Even if you’re not gaming all the time, a good case keeps your PC running smoothly. It protects your parts and makes your desk look tidy.
Upgrades: If you plan to upgrade your PC later, a spacious case with good cable management makes this much easier. You won’t have to fight with wires.

Frequently Asked Questions (FAQ)

Q: What is the most important feature in a gaming PC case under $100?

A: Good airflow is the most important feature. It keeps your computer parts from overheating, which is crucial for gaming performance.

Q: Can I fit a large graphics card in a budget gaming case?

A: It depends on the specific case. Always check the case’s specifications for maximum GPU length support. Some budget cases can fit long cards, while others cannot.

Q: What does “ATX” or “Micro-ATX” mean for motherboard size?

A: These are different sizes of motherboards. You need to make sure the PC case you buy supports the size of your motherboard. ATX is standard, Micro-ATX is smaller, and Mini-ITX is even smaller.

Q: Are tempered glass panels fragile?

A: Tempered glass is stronger than regular glass, but it can still break if dropped or hit hard. Handle it with care during installation and use.

Q: Do I need to buy extra fans if a case comes with some?

A: It depends on your needs. If the included fans provide enough cooling for your components, you might not need more. For high-end gaming, adding more fans can improve performance.

Q: What is cable management, and why is it important?

A: Cable management is organizing the wires inside your PC. It makes your build look cleaner and improves airflow by preventing blockages.

Q: Will a cheap case make my computer run slower?

A: Not directly, but poor airflow in a cheap case can cause components to overheat. Overheating can make your computer slow down to protect itself.

Q: What are dust filters, and do I need them?

A: Dust filters are screens that block dust from entering your PC. They help keep your components clean, which is good for their lifespan and performance. Yes, they are very useful.

Q: Can I put an All-In-One (AIO) liquid cooler in a budget gaming case?

A: Many budget cases support AIO coolers, but you need to check the radiator size compatibility. Some cases only support smaller radiators, while others can fit larger ones.

Q: Where can I find the specifications for a PC case?

A: You can usually find the specifications on the product page on the retailer’s website or the manufacturer’s official website.

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