Best Computer Case Under 100 - Top Picks & Guide

Ever dreamed of building your own powerful computer, but then you see the price tag and your wallet starts to cry? It’s a common problem! The computer case is like the house for all your computer parts. It keeps them safe and cool. But finding a good one that doesn’t cost a fortune can be a real headache. You want something that looks cool, fits all your parts, and doesn’t overheat your expensive components, all without breaking the bank.

Choosing a computer case under $100 can feel like a treasure hunt with hidden traps. There are so many choices, and it’s hard to know which one is actually good. You might worry about whether your graphics card will fit, if there’s enough airflow to keep things from getting too hot, or if it will even look decent on your desk. It’s easy to feel overwhelmed and unsure if you’re making the right choice for your new PC.

But don’t worry! This guide is here to help you find that perfect, budget-friendly computer case. We’ll break down what really matters and show you some fantastic options that won’t empty your pockets. By the end, you’ll feel confident in picking a case that works great and looks even better. Let’s dive in and discover the best computer cases you can get for under $100!

Top Computer Case Under 100 Recommendations

No. 1

MOROVOL PC Case Pre-Install 4 RGB Fans, ATX Gaming Computer Case with Diamond-Shaped Mesh Front & Tempered Glass Side Panel, USB 3.0 Airflow Mid Tower case,621

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.
Excellent I/O Panel - The 621 pc gaming case provides fast and easy access to the I/O panel, with 1 USB 3.0 port (faster data transfer), 2 USB 2.0 ports, HD audio and microphone ports, reset and power button.

No. 2

MUSETEX ATX PC Case Pre-Install 6 PWM ARGB Fans, Polygonal Mesh Computer Gaming Case, Opening Tempered Glass Side Panel Mid-Tower Case, USB 3.0 x 2, Black, NN8

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.
Meet the installation needs - the chassis provides a variety of graphics card installation methods. When the graphics card is inserted vertically, the design of the high-transparency glass door can show off your GPU very well. Compared with other chassis of the same type, the door can also be opened to increase the heat dissipation of the gaming cases. ability to protect the pc case hardware.

SaleNo. 3

MUSETEX PC CASE ATX 6 PWM ARGB Fans Pre-Installed, Type-C Mid Tower Computer Case with Full-View Dual Tempered Glass, Gaming PC Case,Black(K2)

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!
Practicality and viewability co-exist - Tower case rectangular structure body does not take up extra space on the desktop, both beautiful and elegant texture. The case consists of two highly translucent tempered glass panels that transmit light naturally, and the tempered glass is tough and not easily damaged, with excellent sound insulation, providing great comfort for office/gaming environments

No. 4

MOROVOL MATX PC Case,270° Panoramic Tempered Glass Panel Gaming PC Case,3 Fans Pre-Installed Micro-ATX Computer Case,USB 3.0,Black(V3)

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
Top Magnetic Design Dust Filter - The matx pc case is equipped with a magnetic dust filter that effectively maintains normal ventilation, reduces dust buildup inside the pc case with fans, and protects the computer from dust. At the same time, the magnetic design is not easy to come off, can be removed at any time to clean

No. 5

Thermaltake Versa H21 SPCC ATX Mid Tower Computer Chassis CA-1B2-00M1NN-00,Black

Designed for gamer, perforated metal mesh front and top panel to allow quick heat dissipation and rapid air intake for maximum ventilation. The heighten foot-stands at the bottom help to enhance airflow
Tool-free Installation
The perforated front-top panel has implemented one data transfer SuperSpeed USB 3.0 port along with one standard USB 2.0 port, a HD microphone and headset jacks, to grand direct access when needed
Optimized Ventilation
Pre-mounting holes to support motherboards up to standard ATX and CPU cooler installation, long graphic card also supported as well as Advanced Cable Management and Liquid Cooling System

No. 6

MOROVOL PC Case Pre-Install 4 RGB Fans, ATX Gaming Computer Case with Diamond-Shaped Mesh Front & Tempered Glass Side Panel, USB 3.0 Airflow Mid Tower case,621-B

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.
Excellent I/O Panel - The 621-B pc gaming case provides fast and easy access to the I/O panel, with 1 USB 3.0 port (faster data transfer), 2 USB 2.0 ports, HD audio and microphone ports, reset and power button.

SaleNo. 7

MUSETEX Y6 PC Case, Pre-Installed 4 Non-LED Fans, ATX Mid Tower Case, Computer Case with Type-C, 270° Full View Tempered Glass, Black

MUSETEX offers a great ATX PC Case Y6 for visual experience and setup experience. Mysterious and high-end black matte texture with 270° fully transparent dual tempered glass panels for a wider field of view than most of the same atx case on the market,which can display user's high end PC hardware and beloved dolls,and will harvest cool admiration from friends
PC Case Optimized Space Layout: The internal of Y6 computer case is divided in an orderly manner, skillfully laid out. The pc case offers full compatibility with ATX, Micro-ATX, and Mini-ITX motherboards. Support GPU up to 410mm (16.14"), CPU cooling height up to 160mm (6.3"), support top mounting up to 360mm liquid cooler, support PSU up to 230mm (9.05")
ATX Case I/O Port Configuration: 1 x Type-C, 1 x USB 3.0, 1 x USB 2.0, Microphone & Audio, Power Button, Restart Button
ATX PC Case Scientific & Attentive Detail Design: Y6 pc case cleverly adopts a dual-chamber design to improve the overall thermal performance. It is pre-installed with Four 120mm Non-LED Fans to provide heat dissipation for the interior of the case, and the power supply compartment is designed with an independent ventilation channel for the power supply, the top and bottom of the cputer case are equipped with magnetic dust filters, reduce dust on your computer while maintaining good heat dissipation
Computer Case Packing Contents: Y6 Case *1, Non-LED Fans *4 (3 reverse fans on the side, 1 forward fan on the back), Manual *1, Screw accessory*1. (NOT including motherboard, graphics card, power supply, radiator)

No. 8

Zalman FIT Basic ATX Mid-Tower Desktop Computer Gaming PC Case

DIMENSIONS & COMPATIBILITY: Measures 17.91(D) x 7.87(W) x 14.88(H) inches. This compact yet spacious mid-tower chassis provides a well-organized interior that easily accommodates ATX, mATX, and Mini-ITX motherboards, with 7 PCI expansion slots for maximum build flexibility.
SUPERIOR AIRFLOW DESIGN: Features a precision-engineered perforated front mesh panel and side intake vents that channel fresh air directly to your CPU and GPU, preventing thermal throttling and keeping your components running cool under load. Includes 1 x 120mm pre-installed rear exhaust fan.
HARDWARE SUPPORT: 360mm AIO (front), 240mm AIO (top), 325mm GPU, 160mm CPU Air Cooler, 160mm ATX PSU, 2 x 3.5" HDD, 3 x 2.5" HDD, Fits up to 6 x 120mm Fans
PREMIUM TEMPERED GLASS SIDE PANEL: Show off your build through a scratch-resistant tempered glass side panel with a hinged door design and tool-less entry, so you can access your internals quickly and effortlessly without unscrewing a single panel.
CLEAN AESTHETICS WITH HIDDEN PSU SHROUD: The sleek all-black stealth design pairs a hidden PSU shroud for a clutter-free interior presentation with a see-through glass side panel — making this case as visually striking on your desk as it is functional inside.

Finding the Best Computer Case Under $100: Your Guide

So, you need a new computer case, but your wallet feels a little light. Don’t worry! You can still get a great case for under $100. This guide will help you pick the perfect one for your needs. We’ll cover what to look for, what makes a case good or not so good, and how different cases work for different people.

Key Features to Look For

When you’re shopping for a computer case, keep these important things in mind:

Size: Cases come in different sizes. The most common are ATX (mid-tower), Micro-ATX, and Mini-ITX. Make sure the case is big enough for your motherboard and all your other parts. A mid-tower is a good choice for most people.
Airflow: This is super important! Good airflow means cool air can get in and hot air can get out. Look for cases with plenty of fan mounts and mesh front panels. Better cooling helps your computer run faster and last longer.
Drive Bays: You’ll need places to put your storage drives (like SSDs and HDDs). Most cases have room for at least a couple of drives.
Cable Management: Tidy cables make your computer look cleaner and improve airflow. Cases with special cutouts and tie-down points help you hide your wires.
Front Panel Ports: Check what ports are on the front of the case. USB ports (like USB 3.0 or USB-C) and audio jacks are very handy.
Ease of Building: Some cases are easier to work inside than others. Tool-less drive bays and simple screw placements make building your computer a breeze.

Important Materials

Most computer cases are made from a few main materials:

Steel: This is the most common material. It’s strong and affordable. Steel cases protect your computer parts well.
Aluminum: Aluminum is lighter than steel. It can make a case more premium and easier to move. However, it can also cost a bit more.
Plastic: You’ll find plastic on the outside of many cases, especially on the front panels. It’s cheap and can be shaped easily.

Factors That Improve or Reduce Quality

What makes a case great or not so great?

What Makes a Case Better:

Strong Build: A case that feels solid and doesn’t bend easily is a sign of good quality.
Good Airflow Design: Cases with mesh fronts and lots of fan spots help keep things cool.
Smart Cable Management: Plenty of space and features to hide cables make a big difference.
Easy Access: Removable dust filters and tool-less designs make cleaning and upgrades simple.
Quiet Operation: Some cases have sound-dampening materials, which can make your computer much quieter.

What Makes a Case Worse:

Flimsy Construction: A case that feels cheap and wobbly won’t protect your parts as well.
Poor Airflow: If a case has solid panels and no good way for air to move, your computer will get hot.
Difficult to Build In: Cramped spaces and confusing layouts make building frustrating.
Lack of Features: Not enough drive bays or USB ports can be a problem later on.

User Experience and Use Cases

How you use your computer will help you choose the right case.

For Gaming: Gamers need cases with excellent airflow to keep powerful components cool. Lots of fan mounts and a good view of your parts (through a tempered glass side panel) are popular. RGB lighting is also a big plus for many gamers.
For Work and Everyday Use: If you just use your computer for browsing, email, and office work, you might not need the most aggressive cooling. A quiet case with good cable management is often preferred. Simplicity and a clean look are key here.
For Small Spaces: If you have a small desk or limited room, a Micro-ATX or Mini-ITX case is a great option. These smaller cases can still pack a punch but take up less space.

Frequently Asked Questions (FAQ)

Q: What is the most important thing to look for in a computer case?

A: Good airflow is the most important thing. It keeps your computer parts from getting too hot.

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

A: It depends on the case size. Mid-tower cases usually have enough room for large graphics cards.

Q: Do I need a lot of fans in my computer case?

A: You don’t always need a lot. Good case design with a few well-placed fans is often enough.

Q: What does “cable management” mean?

A: Cable management means organizing the wires inside your computer so they don’t get in the way of airflow or look messy.

Q: Are all computer cases noisy?

A: No. Some cases are designed to be quiet with special materials to block sound.

Q: What size case do I need for my motherboard?

A: You need to match the case size to your motherboard size (ATX, Micro-ATX, Mini-ITX).

Q: What are dust filters for?

A: Dust filters catch dust before it gets inside your computer, keeping your parts cleaner.

Q: Can I add more storage drives later?

A: Yes, most cases have extra spots for more drives if you need them.

Q: Is tempered glass on a case good or bad?

A: Tempered glass lets you see inside your computer, which many people like for looks. It’s usually strong, but it can break if dropped.

Q: What if I want my computer to look cool with lights?

A: Look for cases that support RGB lighting or come with pre-installed RGB fans.