Top 5 Gaming PC Cases Under $100: Your Buying Guide

Dreaming of building a powerful gaming PC but wincing at the thought of sky-high prices? We get it. The heart of your gaming rig, the PC case, often feels like another huge chunk of your budget. But what if we told you that you don’t need to spend a fortune to get a case that looks great and keeps your powerful components cool and protected? Finding a fantastic gaming PC case under $100 might seem like a quest for hidden treasure, but it’s totally achievable.

The struggle is real when you’re trying to balance aesthetics, airflow, and component compatibility without breaking the bank. So many cases promise the world, but which ones actually deliver without emptying your wallet? You want a case that not only houses your precious parts but also lets them breathe, preventing overheating during those epic gaming marathons. Plus, let’s be honest, nobody wants a clunky box that clashes with their setup!

In this post, we’re diving deep into the world of budget-friendly gaming PC cases. We’ll show you how to spot the gems that offer excellent value, great airflow, and enough space for your gear, all while keeping that price tag under $100. By the end, you’ll have the knowledge to pick a case that makes your gaming PC look as good as it performs, without feeling the pinch on your wallet. Let’s get started on finding the perfect home for your gaming beast!

Top Gaming Pc 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.
SaleNo. 3
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
No. 4
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!
No. 5
DARKROCK EC2 Black ATX Mid Tower PC Case, Type-C Ready, Supports 50 Series Graphics Cards, Tempered...
  • Meshed Front Panel: ATX PC Case features a mesh front panel for efficient airflow and optimal cooling performance for PC components
  • Tempered Glass Design: The chassis features tempered glass side panels, providing a comfortable visual experience while showcasing your hardware and personalised style
  • Type-C Ready: Stay in the know with this Type-C Ready Black PC Case that features the latest connectivity options for all of your computing needs
  • Magnetic Dust Filter: The magnetic dust filters are mounted separately on the top and bottom of the chassis to prevent dust from entering the interior of the chassis
SaleNo. 6
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.
No. 7
MOROVOL MATX PC Case,270° Panoramic Tempered Glass Panel Gaming PC Case,3 Fans Pre-Installed...
  • A Perfect Panoramic Case Without Taking Up Space - The V3 M-ATX computer case, though small in stature, is effectively compatible with most case accessories.The 270° panoramic glass also shows off the charm of handcrafted toys and hardware inside the gaming desktop case. The most important thing is that the compact gaming case on the desktop does not take up any space at all, making more room for the gabinete pc gamer, cost-effective choice
  • A/B Division Cooling - The power supply and hard disk are mounted on the back of the motherboard, which is aesthetically pleasing and can dissipate heat independently. The glass pc case side panel fan position and power supply position separately designed mesh holes, open effective cooling channel, for the micro atx case performance escort
  • Max 7 Fan Cooling Configuration - The micro case supports multi-fan installation, users can pick the right fan for installation to add cooling air ducts to the case. MOROVOL equips the matx case with 3 simple cooling fans for gifts, the number is not much but the precision, but also for the case pc cooling to contribute to the effort
  • Simple and Ample IO Panel - The pc gaming case comes with 1 USB 3.0 and 1 USB 2.0 port each for easy expansion and faster transfer speeds, providing seamless connectivity and easy access to all your important peripherals
No. 8
Lian Li Vector V100 ATX Mid-Tower PC Case with 4 ARGB PWM Fans, Black
  • Comes with 4x pre-installed PWM-controlled 120mm ARGB fans, ensuring adaptable airflow and vibrant lighting with daisy-chain connectivity for easy setup.
  • Integrated 26-LED ARGB strip offers full spectrum color control and synchronization with motherboard software, enhancing both visibility and aesthetics.
  • Supports ATX, Micro-ATX, Mini-ITX, and back-connect ATX or Micro-ATX motherboards for cleaner routing and flexible builds
  • Each side panel features a tool-less mounting mechanism for easy and fast access to internal components, streamlining your build process.

Your Guide to Finding the Best Gaming PC Case Under $100

Building your own gaming PC is exciting! A good PC case protects your computer parts and helps them stay cool. You can find great cases without spending a lot of money. This guide will help you pick the perfect gaming PC case for under $100.

1. Key Features to Look For

When you shop for a PC case, keep these important things in mind:

  • Airflow: This is super important. Good airflow means cool air gets into the case and hot air goes out. This keeps your computer parts from getting too hot, which is good for their life. Look for cases with lots of fan mounts and mesh front panels.
  • Size and Compatibility: Make sure the case fits your motherboard. Motherboards come in different sizes like ATX, Micro-ATX, and Mini-ITX. Also, check if it has enough room for your graphics card and CPU cooler.
  • Drive Bays: You need places to put your hard drives and SSDs. Most cases have spots for 2.5-inch SSDs and 3.5-inch HDDs.
  • Cable Management: Tidy cables help with airflow and make your PC look neat. Good cases have cutouts and space behind the motherboard tray to hide wires.
  • Front Panel Ports: Check for USB ports (like USB 3.0) and audio jacks on the front. These make it easy to plug in your headphones or a USB drive.
  • Tempered Glass Side Panel: Many gamers like to see their PC parts. A tempered glass panel lets you show off your build.

2. Important Materials

PC cases are usually made from a few main materials:

  • Steel: This is the most common material. It’s strong and durable, which is great for protecting your parts. Steel cases can be a bit heavier.
  • Aluminum: Aluminum is lighter than steel. Cases made with aluminum can be easier to move. They are also good at spreading heat.
  • Plastic: Plastic is often used for parts of the case, like the front panel or feet. It’s lightweight and less expensive.
  • Tempered Glass: This is a strong type of glass used for side panels. It’s scratch-resistant and looks really nice.

3. Factors That Improve or Reduce Quality

Several things make a case better or worse:

  • Build Quality: A well-built case feels solid. The metal shouldn’t bend easily. The edges should be smooth. Poorly built cases can have sharp edges or feel flimsy.
  • Dust Filters: Dust is bad for computers. Cases with good dust filters on the intake vents stop dust from getting inside. These filters are usually removable and washable.
  • Fan Support: More fan mounts mean better cooling. Cases that support larger fans (like 140mm) can move more air quietly.
  • Included Fans: Some cases come with fans already installed. This can save you money. Check the quality of these fans.
  • Noise Dampening: Some cases have special materials to reduce the noise from your fans and components. This makes your gaming experience quieter.

4. User Experience and Use Cases

How you use your PC matters when choosing a case:

  • Light Gaming: If you play games that don’t need super powerful parts, a smaller case with good airflow might be perfect. You might not need a lot of room for big graphics cards.
  • Serious Gaming: For high-end gaming, you’ll need a case that can handle powerful, hot components. Look for excellent airflow and plenty of space for large graphics cards and coolers. Good cable management is also a big plus.
  • Quiet Builds: If you want a quiet PC, look for cases with noise-dampening features and good fan support so you can use slower, quieter fans.
  • Showcase Builds: If you want to show off your PC’s insides, a case with a large tempered glass window is a must.

Remember, even on a budget, you can find a great case. Focus on airflow, size, and build quality to get the most for your money.

Frequently Asked Questions (FAQ)
Q: What is the most important thing to look for in a gaming PC case under $100?

A: The most important thing is airflow. Good airflow keeps your computer parts cool, which helps them run better and last longer.

Q: Do I need a big case for my gaming PC?

A: It depends on your parts. If you have a large graphics card or many components, you will need a bigger case. Check the dimensions of your parts before buying a case.

Q: What does “cable management” mean?

A: Cable management is organizing the wires inside your PC so they don’t block airflow and your build looks neat. Good cases have special features to help with this.

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

A: Many budget cases can fit standard-sized graphics cards. Always check the maximum GPU length supported by the case and compare it to your graphics card’s length.

Q: What is tempered glass?

A: Tempered glass is a type of safety glass that is stronger and safer than regular glass. It’s often used for the side panel of PC cases so you can see inside.

Q: How important are dust filters?

A: Dust filters are very important. They stop dust from entering your case, which can clog fans and make your computer run hotter. Removable filters are the best.

Q: Should I buy a case with fans already included?

A: If a case comes with fans and fits your budget, it can be a good deal. Just make sure the fans are decent quality and that you have enough of them for good airflow.

Q: What is ATX, Micro-ATX, and Mini-ITX?

A: These are different sizes of motherboards. You need to make sure your case supports the size of your motherboard.

Q: Can a cheap case affect my PC’s performance?

A: Yes, if the case has poor airflow, it can cause your components to overheat, which can slow down your PC’s performance. Good airflow is key.

Q: Where can I find reviews for PC cases under $100?

A: You can find reviews on websites like YouTube, tech review blogs, and online stores. Reading and watching reviews will help you make an informed decision.