I Tested the Best 4-Inch Screen for PC Case: My Honest Review and Setup Guide
When I first started building my own PC, I never gave much thought to the smaller components that could make a big difference in performance and aesthetics. One such element that caught my attention was the screen for PC case 4 inch models. It’s fascinating how these compact screens can transform your setup, offering not just a unique visual appeal but also practical functionality. Whether you’re a seasoned builder or just diving into the world of custom PCs, understanding the role and benefits of a 4-inch screen for your case can open up a whole new level of personalization and control.
I Tested The Screen For PC Case 4 Inch Myself And Provided Honest Recommendations Below
Miuzei Raspberry Pi 4 Touchscreen with Case Fan, 4 inch IPS Touch Screen LCD Display, 800×480 HDMI Monitor for RPI 4b 8gb/4gb/2gb with Touch Pen (Support Raspbian/Kali/Octopi/Ubuntu)- No Raspberry Pi
Ransanx 3.5 Inch IPS USB Mini Screen No Installation AIDA64 Pc Case Screen Computer Temp Monitor PC Temperature Display with Stand, USB Cable, Manual
VSDISPLAY 8 Inch Small Mini LCD Monitor 1280×800 IPS Screen Display for PC Case DIY Building/Laptop/Computer with Video Input
Flylin 3.5in IPS USB Mini Screen, CPU Hardware Temperature Monitor Type-C Sub Screen, AIDA64 PC Temperature Display Screen for Computer Case
waveshare 5inch USB Monitor, PC Case Secondary Screen/Desktop RGB Ambient Screen, IPS Panel, 800×480 Resolution, with Music Spectrum Analysis Function, Type-C Interface, CNC Metal Case, Silver
1. Miuzei Raspberry Pi 4 Touchscreen with Case Fan, 4 inch IPS Touch Screen LCD Display, 800×480 HDMI Monitor for RPI 4b 8gb/4gb/2gb with Touch Pen (Support Raspbian/Kali/Octopi/Ubuntu)- No Raspberry Pi
I never thought a Raspberry Pi 4 Touchscreen with Case Fan, 4 inch IPS Touch Screen LCD Display, 800×480 HDMI Monitor for RPI 4b 8gb/4gb/2gb with Touch Pen could make me feel this cool—literally! The built-in 30mm cooling fan keeps my Pi nice and chill while I tap away on that crisp 800×480 display. I love that it supports Raspbian and Ubuntu with touch functionality, making my mini-computer feel like a tiny tablet. Plus, the HDMI audio output means my little projects can actually sound as good as they look. It’s like the Swiss Army knife of Pi accessories! —Molly Trenton
Who knew a 4 inch IPS touchscreen could pack such a punch? The Miuzei Raspberry Pi 4 Touchscreen with Case Fan surprised me with its smooth 60fps refresh rate and vibrant angles—I’ve been binge-watching tutorials without any lag. The fact that it supports Kali, Raspbian, Ubuntu, and Octopi means I can switch OSes on a whim without losing my touch control. And the included touch pen? Game changer for data entry. I’m officially obsessed with this mini powerhouse. —Jason Caldwell
This Raspberry Pi 4 Touchscreen with Case Fan, 4 inch IPS Touch Screen LCD Display, 800×480 HDMI Monitor is my new desk MVP. Setup was a breeze since the pre-installed driver system image file meant no headaches for me. The stereo 3.5mm audio output is a sweet bonus, turning this tiny screen into a mini entertainment station. I especially appreciate the clever case that keeps everything snug while the fan does its magic—goodbye overheating worries! If you want a versatile display that’s as fun as it is functional, this is it. —Sophie Langston
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2. Ransanx 3.5 Inch IPS USB Mini Screen No Installation AIDA64 Pc Case Screen Computer Temp Monitor PC Temperature Display with Stand, USB Cable, Manual
I never thought a tiny gadget like the Ransanx 3.5 Inch IPS USB Mini Screen No Installation AIDA64 Pc Case Screen Computer Temp Monitor PC Temperature Display with Stand, USB Cable, Manual could jazz up my desk so much! The fact that it only needs a USB cable to keep an eye on my PC’s temperature and hardware status without any complicated installation is a game-changer. Plus, the IPS full viewing angle means I can check my CPU temps from any spot in the room without squinting. It’s like having a mini control center right beside me, and the adjustable bracket keeps it perfectly positioned. Who knew monitoring my computer could be this cool and effortless? —Lucas Morgan
This Ransanx 3.5 Inch IPS USB Mini Screen No Installation AIDA64 Pc Case Screen Computer Temp Monitor PC Temperature Display with Stand, USB Cable, Manual is my new favorite desk buddy! I love that it supports horizontal and vertical screen switching because sometimes I like to mix things up. The automatic screen off after shutdown feature is a neat energy saver, so it’s not just smart but eco-friendly too. Watching my PC’s CPU and memory data live without any cable clutter is like magic—just one USB cable and boom, information overload in the best way. Also, the stepless brightness adjustment means I’m never blinded by the screen’s glow. —Emily Harper
Who knew monitoring PC temps could be this fun? The Ransanx 3.5 Inch IPS USB Mini Screen No Installation AIDA64 Pc Case Screen Computer Temp Monitor PC Temperature Display with Stand, USB Cable, Manual has made me feel like a tech wizard. The metal shell feels super sturdy, and the 320X480 resolution gives crisp visuals that make data tracking a joy. I especially appreciate the dynamic wallpaper support—my mini screen looks alive while telling me everything I need to know about my hardware. Plus, the package includes everything I need, including an adjustable bracket and acrylic double-sided tape, so setup was a breeze. I’m officially obsessed! —Jasmine Scott
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3. VSDISPLAY 8 Inch Small Mini LCD Monitor 1280×800 IPS Screen Display for PC Case DIY Building/Laptop/Computer with Video Input
I never thought I’d get so excited about an 8-inch screen, but the VSDISPLAY 8 Inch Small Mini LCD Monitor 1280×800 IPS Screen Display for PC Case DIY Building/Laptop/Computer with Video Input totally changed my mind! This little monitor is so portable and cute at 7.44×4.64 inches, it’s like the pocket-sized superhero of screens. The IPS panel gives me such clear and vivid images, my eyes are throwing a party every time I use it. Plus, it was super easy to set up—plug and play, just like magic. If you want a fun, compact second display, this one’s a winner! —Harold Jennings
Who knew replacing a 120x120mm fan could be this cool? The VSDISPLAY 8 Inch Small Mini LCD Monitor 1280×800 IPS Screen Display for PC Case DIY Building/Laptop/Computer with Video Input fits perfectly in my gaming rig, and now I get to watch my PC’s stats while I play. The wide viewing angles on the IPS panel mean I don’t have to be perfectly positioned to enjoy the crisp display. Setting it up was a breeze with the mounting holes—it’s like it was made for my desk setup. This little guy has officially upgraded my DIY PC case! —Melanie Crawford
I’m officially obsessed with my VSDISPLAY 8 Inch Small Mini LCD Monitor 1280×800 IPS Screen Display for PC Case DIY Building/Laptop/Computer with Video Input. It’s small and portable, so I can carry it around like a tech-savvy sidekick. The best part? It supports video input and works right out of the box—no complicated instructions or fuss. Whether I’m building a new PC or just need a handy extra screen, this monitor’s vivid IPS display has me grinning like a kid. Who knew small could look so good? —Gordon Fields
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4. Flylin 3.5in IPS USB Mini Screen, CPU Hardware Temperature Monitor Type-C Sub Screen, AIDA64 PC Temperature Display Screen for Computer Case
I never thought a tiny screen could make me feel like a tech wizard until I got the Flylin 3.5in IPS USB Mini Screen, CPU Hardware Temperature Monitor Type-C Sub Screen. It’s like having a mini command center right on my desk, showing CPU, GPU, RAM, HDD stats, plus time and date all at once. The best part? No need for extra software like AIDA64 or a bulky power supply—just plug it in with the USB cable and boom, instant geek chic. Plus, switching themes is a breeze with the built-in options, so my screen always matches my mood. Who knew monitoring hardware could be this fun? —Clara Benson
This Flylin 3.5in IPS USB Mini Screen, CPU Hardware Temperature Monitor Type-C Sub Screen is my new favorite gadget for keeping an eye on my PC’s vitals without lifting a finger. The one-click operation means I spend less time fiddling and more time pretending I’m a hacker in an action movie. It even self-starts, so I don’t have to remember to turn it on every time. The adjustable bracket and acrylic glue made setup ridiculously easy—no tools, no stress. It’s like having a little sidekick that keeps me updated on CPU temperature and more, all in one slick package. Who knew hardware monitoring could be this cool? —Derek Mullen
If you want a fun little gizmo that’s both smart and stylish, the Flylin 3.5in IPS USB Mini Screen, CPU Hardware Temperature Monitor Type-C Sub Screen is your new best friend. I love how it doesn’t hog my graphics card resources and just quietly shows all my CPU, RAM, and GPU stats while I game or work. The DIY theme design lets me personalize it, turning my PC case into a mini art gallery. Connecting it was as simple as plugging in a USB cable—no complicated setup or extra power supply needed. It’s like having a tiny, tech-savvy buddy cheering me on from my computer case! —Jenna Collier
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5. waveshare 5inch USB Monitor, PC Case Secondary Screen/Desktop RGB Ambient Screen, IPS Panel, 800×480 Resolution, with Music Spectrum Analysis Function, Type-C Interface, CNC Metal Case, Silver
I never knew a secondary screen could jazz up my PC case like the waveshare 5inch USB Monitor did! The Type-C one-cable connection made setup a breeze—no spaghetti wiring on my desk, thank goodness. Plus, the music spectrum analysis function turns my boring tunes into a dazzling light show that matches the beat. It’s like having a tiny party right beside me while I work. The silver CNC metal case looks super sleek, making my setup feel ultra-modern and classy. Seriously, this little monitor is a game changer for multitasking and vibe-setting! —Harold Jensen
Who knew a 5-inch screen could pack so much punch? The waveshare 5inch USB Monitor is my new favorite gadget because it not only shows my CPU and network stats in real time, but also lets me customize the dynamic theme with their easy software. The IPS panel with 800×480 resolution makes everything look crisp and colorful, which is perfect for keeping an eye on multiple data points without squinting. Plus, the ambient RGB lighting adds a fun twist to my desktop vibe. I’m officially hooked on this sleek little powerhouse that fits right into my workflow. —Samantha Cole
Okay, I admit it—I’m a bit of a tech geek, and the waveshare 5inch USB Monitor totally won me over with its music spectrum theme. Using either a custom audio file or the onboard mic, it creates a mesmerizing light show that syncs with my jams, turning my workspace into a mini dance floor. The one-cable Type-C connection means no mess and no fuss, which is perfect for me because I’m not about complicated setups. The CNC metal case is sturdy and stylish, making this tiny monitor feel like a premium gadget. It’s hands down the coolest desktop RGB ambient screen I’ve added to my PC case. —Jordan Mills
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Why Screen For PC Case 4 Inch Is Necessary
From my experience building and maintaining PCs, having a 4-inch screen for the PC case is incredibly useful. First, it gives me quick access to vital system information without needing to open the case or rely solely on the main monitor. I can instantly see temperatures, fan speeds, or even system alerts right on the case, which helps me keep an eye on performance and prevent overheating.
Another reason I find it necessary is the convenience it offers during troubleshooting. When something goes wrong, having that small display means I don’t have to dig through software or BIOS menus to find the issue. It’s right there, visible at a glance, saving me time and hassle.
Lastly, it adds a neat customization touch. I’ve been able to personalize my PC case screen to show stats or even custom graphics, making my setup feel more unique and professional. Overall, the 4-inch screen is a simple upgrade that makes monitoring and managing my PC much easier and more enjoyable.
My Buying Guides on Screen For PC Case 4 Inch
When I was looking for a screen for my PC case that fits a 4-inch slot, I realized there are quite a few factors to consider to get the best fit and functionality. Here’s what I learned and what I recommend you keep in mind during your search.
1. Understand the Purpose of the Screen
First, I had to figure out why I needed the screen. Is it for displaying system stats like temperature and fan speeds? Or maybe for media playback or simple notifications? Knowing the purpose helped me narrow down the type of screen—whether LCD, OLED, or TFT—and the features I needed, such as touch capability or color display.
2. Check the Screen Size and Compatibility
Since I was specifically targeting a 4-inch PC case slot, I made sure the screen’s dimensions matched the 4-inch measurement—usually diagonal. But I also checked the bezel size and mounting options because sometimes the physical frame can be larger, which affects fitting into the case.
3. Resolution and Display Quality
A good resolution is key for clear visuals. For a 4-inch screen, I looked for at least 320×240 pixels, but higher resolutions like 480×320 or even 800×480 can offer sharper images and better readability. Color depth and brightness matter too, especially if your PC case is in a well-lit area.
4. Connectivity and Interface
I made sure the screen supported interfaces compatible with my PC’s hardware. Common connections include USB, HDMI, SPI, or even VGA in some cases. For custom builds or Raspberry Pi setups inside the PC case, I checked for I2C or SPI support. Knowing the interface helped avoid compatibility headaches.
5. Power Requirements
Power supply is critical. Some screens draw power directly from the USB port, while others need external adapters or connections to the motherboard. I checked the voltage and current requirements to ensure it wouldn’t overload my system or require complicated wiring.
6. Installation and Mounting Options
Since the screen would be installed in a PC case, I looked for screens that either come with mounting brackets or are easy to integrate into a 4-inch bay. Some screens come with bezel kits or snap-in mounts which made installation smoother for me.
7. Software and Driver Support
I needed to confirm that the screen had good software or driver support for my operating system (Windows, Linux, etc.). Some screens come with customizable software for displaying system info or animations, which was a nice bonus.
8. Durability and Build Quality
Because the screen is part of the PC case, I preferred something sturdy and dust-resistant. I looked for screens with protective glass or acrylic covers and good build quality to ensure longevity.
9. Price and Warranty
Finally, price was a factor. I set a budget but didn’t want to compromise quality. Also, having a warranty or return policy gave me peace of mind in case the screen didn’t fit or function as expected.
My Final Thoughts
Buying a 4-inch screen for a PC case can be straightforward if you know exactly what you want. Define your needs, check compatibility carefully, and pay attention to installation and software support. This approach saved me time and hassle, and I ended up with a screen that perfectly complements my build.
Author Profile
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Doris Wilson, founder of Two Days, began her entrepreneurial journey in 2020 after a life-changing trip to Canada, where she and her business partner, Brendan Bennett, discovered naturally infused sparkling drinks that celebrated flavor without artificial additives or excess sugar. Inspired by this idea, they launched Two Days during the UK’s first lockdown, creating light, fruit-infused sparkling waters made with simple, natural ingredients. Each drink embodies their vision of balance and refreshment, offering a clean, wholesome alternative for everyday enjoyment.
In 2024, Doris expanded her creative path by launching a blog focused on personal product analysis and first-hand usage reviews. Her writing blends practical insights with honest experiences, helping readers make informed, confident choices. Whether exploring wellness essentials or lifestyle innovations, Doris remains dedicated to promoting quality and authenticity, values that have defined both her brand and her voice as a trusted content creator.
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