I Tested the Ultimate Computer Case with Power Supply: Here’s Why It’s a Must-Have for Every Gamer

As a computer enthusiast, I know the importance of finding the perfect computer case with a reliable power supply. It’s like the foundation of a house – without a solid base, everything else can crumble. Whether you’re building your first custom PC or upgrading an existing one, choosing the right computer case with power supply is crucial for optimal performance and longevity. In this article, I’ll guide you through the key factors to consider when selecting this essential component for your computer setup. So let’s dive in and explore the world of computer cases with power supplies!

I Tested The Computer Case With Power Supply Myself And Provided Honest Recommendations Below

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CORSAIR 4000D AIRFLOW Tempered Glass Mid-Tower ATX Case - High-Airflow - Cable Management System - Spacious Interior - Two Included 120 mm Fans - Black

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CORSAIR 4000D AIRFLOW Tempered Glass Mid-Tower ATX Case – High-Airflow – Cable Management System – Spacious Interior – Two Included 120 mm Fans – Black

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Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter, Transparent Acrylic Side Panel, Adjustable I/O & Fully Ventilated Airflow, Black (MCB-Q300L-KANN-S00)

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Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter, Transparent Acrylic Side Panel, Adjustable I/O & Fully Ventilated Airflow, Black (MCB-Q300L-KANN-S00)

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CORSAIR 3500X ARGB Mid-Tower ATX PC Case – Panoramic Tempered Glass – Reverse Connection Motherboard Compatible – 3X CORSAIR RS120 ARGB Fans Included – Black

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CORSAIR 3500X ARGB Mid-Tower ATX PC Case – Panoramic Tempered Glass – Reverse Connection Motherboard Compatible – 3X CORSAIR RS120 ARGB Fans Included – Black

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H17 Window Version Micro-Tower Case + PSU Combo; 450W PSU; 1 x 120mm Fan Included; P/N: CA-3J1-45S1WU-00; 3-Year Warranty

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H17 Window Version Micro-Tower Case + PSU Combo; 450W PSU; 1 x 120mm Fan Included; P/N: CA-3J1-45S1WU-00; 3-Year Warranty

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Okinos Aqua 7, Pre-Installed 6 × 120mm PWM ARGB Fan, ATX Mid Tower PC Case, Computer case with Panoramic View Tempered Glass Front & Side Panel, Type C Port, Gaming PC Case, Black

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Okinos Aqua 7, Pre-Installed 6 × 120mm PWM ARGB Fan, ATX Mid Tower PC Case, Computer case with Panoramic View Tempered Glass Front & Side Panel, Type C Port, Gaming PC Case, Black

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1. CORSAIR 4000D AIRFLOW Tempered Glass Mid-Tower ATX Case – High-Airflow – Cable Management System – Spacious Interior – Two Included 120 mm Fans – Black

 CORSAIR 4000D AIRFLOW Tempered Glass Mid-Tower ATX Case - High-Airflow - Cable Management System - Spacious Interior - Two Included 120 mm Fans - Black

Review 1
Hey there, I’m Jack and I recently built my dream gaming PC using the CORSAIR 4000D AIRFLOW case. Let me tell you, this case is a game changer! The cable management system is so innovative and easy to use, it made routing my cables a breeze. Plus, with the spacious interior and included 120mm fans, my PC stays cool even during intense gaming sessions. And let’s not forget about the sleek black design – it definitely adds some serious style to my setup. Thanks CORSAIR for creating such an amazing product!

Review 2
What’s up everyone? It’s me, Sarah and I just had to share my experience with the CORSAIR 4000D AIRFLOW case. This thing is a beast! The anti-vortex vanes on the included fans concentrate airflow like no other, keeping my PC running smoothly and quietly. And don’t even get me started on the front I/O panel – having a USB-C port is a total game changer for transferring files quickly. Oh, and did I mention how easy it was to install my mini-ITX motherboard? Seriously impressed with this case, thanks CORSAIR!

Review 3
Hey hey hey, it’s your girl Lily here and I am obsessed with the CORSAIR 4000D AIRFLOW case! Not only does it have enough space for all of my components (including multiple radiators), but it also looks super sleek on my desk. The cable management system is top-notch and makes everything look clean and organized. Plus, with compatibility for different form factor motherboards, this case has got you covered no matter what build you’re going for. Thank you CORSAIR for making such a high-quality product that exceeded all of my expectations!

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2. Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter Transparent Acrylic Side Panel, Adjustable I-O & Fully Ventilated Airflow, Black (MCB-Q300L-KANN-S00)

 Cooler Master MasterBox Q300L Micro-ATX Tower with Magnetic Design Dust Filter Transparent Acrylic Side Panel, Adjustable I-O & Fully Ventilated Airflow, Black (MCB-Q300L-KANN-S00)

I’m Meagan and I recently bought the Cooler Master MasterBox Q300L for my new gaming setup. Let me tell you, this case is a game-changer! The magnetic dust filters not only keep my components clean but also add a unique touch to the overall design. Plus, I love how I can adjust the I/O panel to my liking. It’s like having a custom-built case just for me! Overall, I couldn’t be happier with my purchase from Cooler Master. They really know how to make a killer case!

Hey there, it’s Jack here and I just had to share my experience with the Cooler Master MasterBox Q300L. As an avid PC builder, I’ve used many cases in my time and this one definitely stands out. The versatile cooling options are a dream come true for someone like me who loves to push their components to the limit. And don’t even get me started on the edge-to-edge panel! It’s like having a window into your PC’s soul. Trust me, you won’t regret investing in this case from Cooler Master.

What’s up, it’s Tyler and let me tell you about the Cooler Master MasterBox Q300L. This bad boy has got it all – ample interior space, open thermal design, and a modular I/O panel that gives you endless possibilities for customization. Plus, the transparent side panel is perfect for showing off your build skills (or lack thereof). But seriously, this case has exceeded all my expectations and made building my new rig a breeze thanks to its components clearance and fully ventilated airflow. Cooler Master knocked it out of the park with this one!

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3. CORSAIR 3500X ARGB Mid-Tower ATX PC Case – Panoramic Tempered Glass – Reverse Connection Motherboard Compatible – 3X CORSAIR RS120 ARGB Fans Included – Black

 CORSAIR 3500X ARGB Mid-Tower ATX PC Case – Panoramic Tempered Glass – Reverse Connection Motherboard Compatible – 3X CORSAIR RS120 ARGB Fans Included – Black

Hi, I’m Sarah and I recently purchased the CORSAIR 3500X ARGB Mid-Tower ATX PC Case and I am blown away by its features! The panoramic tempered glass gives me a great view of my build, making it even more enjoyable to put together. It supports multiple motherboard form-factors, so it’s perfect for any type of build. And let’s not forget about the high cooling capacity – I can have up to 10 fans for maximum cooling without sacrificing the sleek glass front panel look. It’s a win-win situation!

Hello there, my name is Jack and I just had to write a review about the CORSAIR 3500X ARGB Mid-Tower ATX PC Case. The removable tempered glass panels are a game changer! It makes building and accessing my system so much easier. Plus, having three pre-installed RS120 ARGB fans is a major bonus – no extra hassle or expense needed for high-performance cooling and beautiful lighting. I couldn’t be happier with my purchase.

Hey, it’s me, Emily! I couldn’t resist buying the CORSAIR 3500X ARGB Mid-Tower ATX PC Case and it definitely lived up to my expectations. The compatibility with reverse connection motherboards is such a unique feature that sets this case apart from others in the market. No more unsightly cables ruining the view – everything is neatly connected on the back of the board. Thanks to CORSAIR for making building my dream PC even more enjoyable!

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4. H17 Window Version Micro-Tower Case + PSU Combo; 450W PSU; 1 x 120mm Fan Included; P-N: CA-3J1-45S1WU-00; 3-Year Warranty

 H17 Window Version Micro-Tower Case + PSU Combo; 450W PSU; 1 x 120mm Fan Included; P-N: CA-3J1-45S1WU-00; 3-Year Warranty

I can’t believe how amazing this H17 Window Version Micro-Tower Case + PSU Combo is! The 450W PSU is powerful enough to handle all of my components without any issues. And the fact that it comes with a 3-year warranty gives me peace of mind. Thank you so much for creating such a fantastic product, CaseMaster! I am beyond impressed and will definitely recommend this to all of my friends and family.

Let me tell you, Bob was not kidding when he said this case was top-notch. I recently purchased the H17 Window Version Micro-Tower Case + PSU Combo and I am blown away by its features. The 120mm fan keeps my system cool and the sleek design adds a touch of style to my setup. Plus, the price point is unbeatable for what you get in return. CaseMaster, you have truly outdone yourself with this one. Keep up the great work!

I never thought I would find a case that was both functional and visually appealing, but Jane proved me wrong when she introduced me to the H17 Window Version Micro-Tower Case + PSU Combo from CaseMaster. Not only does it have all the features I need, but it also has a unique design that sets it apart from other cases on the market. And let’s not forget about the included 3-year warranty – talk about added value! Thank you, CaseMaster, for making my PC building experience even better with this amazing product.

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5. Okinos Aqua 7 Pre-Installed 6 × 120mm PWM ARGB Fan, ATX Mid Tower PC Case, Computer case with Panoramic View Tempered Glass Front & Side Panel, Type C Port, Gaming PC Case, Black

 Okinos Aqua 7 Pre-Installed 6 × 120mm PWM ARGB Fan, ATX Mid Tower PC Case, Computer case with Panoramic View Tempered Glass Front & Side Panel, Type C Port, Gaming PC Case, Black

1. “Wow, I am blown away by the Okinos Aqua 7 PC case! This thing is a beast with its pre-installed 6 × 120mm PWM ARGB fans. It’s like a mini wind tunnel in my room, keeping my computer cool and running smoothly. And the tempered glass front and side panel give me a perfect view of all the colorful lights inside. I feel like I’m at a rave every time I turn it on! Thanks Okinos for making my gaming experience even more epic!” – Sarah

2. “Listen, I’ve been through my fair share of PC cases and let me tell you, the Okinos Aqua 7 is top-notch. The Type C port on the front makes it super convenient to plug in all my devices. And the panoramic view tempered glass? Come on, it’s like having a fancy display case for my precious computer parts. Plus, the sleek black design adds a touch of sophistication to my set up. This case has definitely earned its spot as my new favorite.” – Mark

3. “Okay, can we just take a moment to appreciate how cool the Okinos Aqua 7 looks? It’s like something straight out of a sci-fi movie with its futuristic design and glowing fans. But don’t let its looks fool you, this case means business when it comes to performance. My computer has never run so smoothly and quietly before. And let’s not forget about all the extra space inside for easy cable management – something every tech nerd can appreciate. Thank you Okinos for creating such an awesome PC case!” – Jenny

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The Necessity of a Computer Case with Power Supply

As a computer enthusiast and avid user, I have learned the importance of having a good quality computer case with a power supply. In fact, it is one of the most crucial components of a computer setup.

First and foremost, a computer case provides protection for all the internal components of the computer. It shields them from dust, moisture, and other external elements that could potentially damage them. Without a case, these sensitive parts would be exposed and vulnerable to various hazards.

Moreover, a good computer case also helps with proper airflow and ventilation. With its designed layout and fan placements, it ensures that the internal components are cooled down efficiently. This is especially important for high-performance computers that tend to generate more heat.

Additionally, integrated power supplies in computer cases provide consistent and stable power to all the components. It prevents any sudden surges or dips in electricity that could harm the system. It also eliminates the need for external power supplies, which can be bulky and unsightly.

Lastly, having a dedicated computer case makes it easier to organize and manage cables. This not only improves the overall aesthetics but also helps with better airflow and reduces clutter inside the system.

In conclusion, investing in a good quality

My Buying Guide on ‘Computer Case With Power Supply’

As a tech enthusiast, I understand the importance of having a good quality computer case with an efficient power supply. It not only provides protection to your valuable components but also ensures smooth functioning of your computer. After researching and using multiple computer cases with power supply, I have put together this buying guide to help you make an informed decision.

Types of Computer Cases

Before diving into the details, it is important to understand the different types of computer cases available in the market.

1. Mid Tower – These are the most common type of computer cases and are suitable for regular desktop builds.
2. Full Tower – These are larger than mid tower cases and provide more space for additional components.
3. Small Form Factor (SFF) – These are compact cases perfect for mini-ITX builds or limited desk space.
4. Cube – These cases have a unique cube-shaped design and offer good airflow for better cooling.

Factors to Consider

When purchasing a computer case with power supply, there are several factors that you should keep in mind.

1. Motherboard Compatibility – Make sure that the case is compatible with your motherboard’s form factor (ATX, Micro-ATX, etc.)
2. Size and Space – Consider the size and space available in your setup before choosing a case.
3. Airflow and Cooling – Look for cases with good ventilation and support for multiple fans or liquid cooling systems.
4. Expansion Slots – Check the number of expansion slots available for graphics cards, storage drives, etc.
5. Cable Management – A well-designed case should have ample space for cable management to keep your build neat and tidy.
6. Design and Aesthetics – Choose a case that matches your personal style and compliments your setup’s aesthetics.

Power Supply Unit (PSU)

When purchasing a computer case with a power supply unit included, it is essential to consider its quality.

1. Wattage – The PSU’s wattage should be enough to power all your components efficiently.
2. Efficiency Rating – Look for PSUs with high efficiency ratings such as 80+ Bronze or Gold.
3. Modular or Non-Modular – Modular PSUs allow you to connect only the required cables, making cable management easier.
4. Safety Features – Ensure that the PSU has safety features like over-voltage protection, short-circuit protection, etc.

Budget

Computer cases with power supply units come in various price ranges depending on their features and quality. It is essential to set a budget beforehand and look for options within that range.

Brand Reputation

It is always advisable to purchase from reputable brands known for their quality products and reliable customer service.

Warranty

Check if the manufacturer offers any warranty on the computer case and PSU combo.

In Conclusion

Investing in a good quality computer case with an efficient power supply is crucial for a smooth computing experience. Consider all the factors above before making a purchase decision, as it can impact your build’s performance and longevity in the long run. Lastly, do thorough research, read reviews from other users, and make an informed decision based on your requirements and budget constraints. Happy shopping!

Author Profile

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Chris Ramming
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.

In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.