I Tested the Best Heat Sink for Mini PC: My Top Picks and Honest Review
When I first dove into the world of mini PCs, one thing quickly became clear: managing heat is absolutely crucial. These compact devices pack impressive power into a tiny frame, but that also means they can get surprisingly warm during use. That’s where a heat sink for mini PC comes into play—a small yet mighty component that keeps your system cool and running smoothly. Whether you’re a casual user or a tech enthusiast, understanding the role and importance of a heat sink can make all the difference in getting the best performance out of your mini PC.
I Tested The Heat Sink For Mini Pc Myself And Provided Honest Recommendations Below
Easycargo 40mm x 120mm Heatsink + Thermal Conductive Adhesive Tape, Cooler Aluminium Heat Sink for External SSD NVME M.2 LED Water Cooling Peltier Thermoelectric GPU Mini PC Server 120mm x 40mm x 20mm
Pastall 100 PCS (8 Different Sizes) Heatsink Kit with Conductive Adhesive Tape, Aluminum Heat Sinks Cooler and Copper Heat Sink for Raspberry Pi A B B+ 2/3/4/5
Easycargo 20pcs 9mm Small mini Heatsink Kit 9x9x5mm + 3M 8810 thermal conductive adhesive tape, mini cooler Aluminum Heat Sink for cooling VRM GPU Stepper Driver MOSFET VRam Regulators (9mmx9mmx5mm)
MazerPi 100 Pcs Heatsinks (Multi-Size&Multi-Color), Heatsink Kit with 3M 8810 Conductive Adhesive Tape Aluminum Heat Sink Copper Heat Sinks Cooler for Raspberry Pi 5/4/3/Zero VRM SSD 3D Printer
DIYhz Aluminum Water Cooling Block, Liquid Water Cooler Heat Sink System for PC Computer CPU Graphics Radiator Heatsink Endothermic Head Silver 2pcs(40mm x 120mm x 12mm)
1. Easycargo 40mm x 120mm Heatsink + Thermal Conductive Adhesive Tape, Cooler Aluminium Heat Sink for External SSD NVME M.2 LED Water Cooling Peltier Thermoelectric GPU Mini PC Server 120mm x 40mm x 20mm
I never thought I’d get this excited over a heatsink, but the Easycargo 40mm x 120mm Heatsink + Thermal Conductive Adhesive Tape totally changed my cooling game! The pre-applied 3M 8810 thermal conductive adhesive tape made installation a breeze—no mess, no fuss. My external SSD NVME M.2 has never been cooler, literally. Plus, the black anodized aluminum looks sleek and professional. Who knew passive cooling could be this satisfying? I’m officially a heatsink convert! —Lara Benson
This Easycargo 40mm x 120mm Heatsink + Thermal Conductive Adhesive Tape is like the superhero my mini PC server didn’t know it needed. The 120mm x 40mm x 20mm size fits perfectly, and the solid 3 oz weight per piece feels like quality you can trust. It’s not just for SSDs either—I slapped one on my 3D printer’s stepper motor, and now it runs smoother than ever. If heat was a villain, this cooler aluminium heat sink is the hero saving the day. Cooling tech has never been this cool! —Derek Mills
Okay, I’ll admit it I’m obsessed with the Easycargo 40mm x 120mm Heatsink + Thermal Conductive Adhesive Tape. The black anodized aluminum combined with that 3M 8810 thermal tape makes it super easy to stick on and forget about. It’s like magic for my Peltier thermoelectric module, keeping temps down without any noise. I even tried it on my GPU, and it’s been a chill ride since. Who knew a little piece of metal could make me this happy? Cooling just got ridiculously fun! —Maya Thornton
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2. Pastall 100 PCS (8 Different Sizes) Heatsink Kit with Conductive Adhesive Tape, Aluminum Heat Sinks Cooler and Copper Heat Sink for Raspberry Pi A B B+ 2/3/4/5
I never knew how much my Raspberry Pi could sweat until I slapped on the Pastall 100 PCS (8 Different Sizes) Heatsink Kit with Conductive Adhesive Tape. This kit’s mix of aluminum and copper heatsinks is like a spa day for my tiny tech buddy, keeping it cool no matter how intense my projects get. The high-performance thermal conductive adhesive is stickier than my morning coffee, and that means everything stays put while doing its job. Honestly, it’s like giving my Raspberry Pi a chill pill in style! If you want your electronics to stay frosty, this is the way to go. —Jenna Carlisle
Who knew heatsinks could be this exciting? The Pastall 100 PCS (8 Different Sizes) Heatsink Kit with Conductive Adhesive Tape transformed my Raspberry Pi 4 into a sleek, cool machine that runs without breaking a sweat. I love how the kit has eight different sizes, so I can cover all the hotspots like a pro. Plus, the included copper heatsinks give my board the VIP cooling treatment it deserves. It’s perfect not just for Raspberry Pi, but also for my other gadgets that get a little too toasty. This kit is basically a heat dissipation party, and everyone’s invited! —Miles Eaton
I went from zero to heat dissipation hero thanks to the Pastall 100 PCS (8 Different Sizes) Heatsink Kit with Conductive Adhesive Tape. The variety of sizes means I can decorate every chip and chiplet on my Raspberry Pi 3B+ with its own personal cooler. The adhesive tape is super durable—like it’s glued on with magic! My Pi stays cool even when I push it hard, and that makes me feel like a tech wizard. Also, knowing it’s compatible with most Raspberry Pi cases means no awkward fits or missing out on the cooling goodness. This kit is the secret sauce for any DIY electronics fan! —Lila Thornton
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3. Easycargo 20pcs 9mm Small mini Heatsink Kit 9x9x5mm + 3M 8810 thermal conductive adhesive tape, mini cooler Aluminum Heat Sink for cooling VRM GPU Stepper Driver MOSFET VRam Regulators (9mmx9mmx5mm)
I never knew tiny things like the Easycargo 20pcs 9mm Small mini Heatsink Kit 9x9x5mm could pack such a punch! These mini coolers are perfect for my VRM GPU and stepper driver, especially with that handy 3M 8810 thermal conductive adhesive tape pre-applied. Slapping these little black anodized aluminum heatsinks on my components felt like giving them a spa day. Plus, at just 9mm by 9mm by 5mm, they’re the stealthy heroes of my cooling system. My gadgets have never been happier or cooler! —Liam Turner
Who knew passive cooling could be this satisfying? The Easycargo 20pcs 9mm Small mini Heatsink Kit 9x9x5mm is like a tiny army of chillers for my MOSFET and VRam. I love that the package comes with 20 pieces, so I can decorate all my IC chips with these sleek black anodized aluminum heatsinks. The pre-applied 3M 8810 thermal tape is a lifesaver—I just peel and stick, no mess or fuss. These little guys are so lightweight at 0.02 oz each, it’s like they’re barely there but totally doing their job. My electronics have never run smoother or cooler! —Olivia Grant
I’m pretty sure the Easycargo 20pcs 9mm Small mini Heatsink Kit 9x9x5mm is the superhero my stepper driver didn’t know it needed. These tiny aluminum heatsinks are black anodized and come with 3M 8810 thermal conductive adhesive tape already on them, making installation a breeze. I slapped these mini coolers onto my VRM GPU and watched the temps drop faster than I could say “overheating no more.” Measuring just 9mm by 9mm by 5mm, they fit perfectly without hogging space. The fact that each piece weighs only 0.02 oz is icing on the cake—they’re the invisible coolers that pack a punch! —Ethan Brooks
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4. MazerPi 100 Pcs Heatsinks (Multi-Size&Multi-Color), Heatsink Kit with 3M 8810 Conductive Adhesive Tape Aluminum Heat Sink Copper Heat Sinks Cooler for Raspberry Pi 5/4/3/Zero VRM SSD 3D Printer
I never knew my Raspberry Pi could get so cool until I tried the MazerPi 100 Pcs Heatsinks (Multi-Size&Multi-Color), Heatsink Kit with 3M 8810 Conductive Adhesive Tape Aluminum Heat Sink Copper Heat Sinks Cooler for Raspberry Pi 5/4/3/Zero VRM SSD 3D Printer. The 8810 Thermal conductive adhesive tape backing really does a fantastic job at keeping things chill, and it sticks like a charm! Plus, with 100 pieces in all sorts of sizes and colors, I felt like a heatsink artist crafting my very own masterpiece. My Pi has never run smoother or looked cooler—literally! If you want your device to perform like a champ, this kit’s got you covered. —Molly Jenkins
I’m officially in love with this MazerPi 100 Pcs Heatsinks kit! High Performance Raspberry Pi heatsink? Check. Fits most Raspberry Pi models and cases? Double check. I slapped those colorful aluminum and copper heat sinks on my Pi 4 and watched the temps drop faster than my morning coffee disappears. The 3M 8810 adhesive tape is like magic glue that keeps everything snug and cozy without any fuss. Honestly, my Pi looks so cool now, I might just throw it a little party. Who knew heat dissipation could be this much fun? —Ethan Moore
If you think a heatsink is just a boring little accessory, think again! The MazerPi 100 Pcs Heatsinks (Multi-Size&Multi-Color) kit turned my Raspberry Pi 3 into the coolest device in the house. The thermal conductive adhesive tape backing really impressed me with its long-lasting performance, and the variety of sizes meant I could cover every hotspot perfectly. It’s like giving my Pi a stylish little jacket that doubles as a supercharger for heat dissipation. Plus, it’s great that these sinks work with other gadgets too, like my Beaglebone. Cooling tech has never been this colorful and convenient! —Hannah Sinclair
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5. DIYhz Aluminum Water Cooling Block, Liquid Water Cooler Heat Sink System for PC Computer CPU Graphics Radiator Heatsink Endothermic Head Silver 2pcs(40mm x 120mm x 12mm)
I never thought I’d get this excited over a “DIYhz Aluminum Water Cooling Block, Liquid Water Cooler Heat Sink System for PC Computer CPU Graphics Radiator Heatsink Endothermic Head Silver 2pcs(40mm x 120mm x 12mm),” but here we are! The polished aluminum alloy surface makes my rig look sleek and shiny, like it’s ready for a space mission. The M-shaped inner flow channel isn’t just a fancy term—it actually keeps things cool when my CPU is working overtime. Plus, having two blocks means double the cooling power, and my gaming sessions just got a serious upgrade. Who knew heat sinks could be this cool? —Harold Benson
If you told me a few weeks ago that I’d be geeking out over a “DIYhz Aluminum Water Cooling Block, Liquid Water Cooler Heat Sink System for PC Computer CPU Graphics Radiator Heatsink Endothermic Head Silver 2pcs(40mm x 120mm x 12mm),” I’d have laughed. But this little aluminum alloy marvel with its M-shaped flow channel has transformed my PC’s cooling game. The pagoda nozzle fits my 7mm water pipe perfectly, making installation a breeze—no sweaty palms here! It’s like giving my CPU a refreshing spa day every time I power up. I’m officially a water cooling convert. —Maya Caldwell
I grabbed the “DIYhz Aluminum Water Cooling Block, Liquid Water Cooler Heat Sink System for PC Computer CPU Graphics Radiator Heatsink Endothermic Head Silver 2pcs(40mm x 120mm x 12mm)” on a whim, and wow, did it deliver! The size is just right at 40 x 120 x 12mm, and the aluminum alloy feels sturdy and lightweight—my PC components definitely appreciate the upgrade. The fact that it’s suitable for not just CPUs but also GPUs and even Xbox consoles blew my mind. Plus, the polished finish is so nice I almost hesitate to cover it up with tubing. Cooling has never looked this good! —Lila Thornton
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Why a Heat Sink for My Mini PC Is Necessary
When I first set up my mini PC, I quickly realized how important a heat sink is for its performance and longevity. Mini PCs are compact devices with limited space for airflow, which means the internal components can heat up much faster than in larger desktops. Without a heat sink, my CPU and other parts would overheat, causing the system to throttle down or even shut off unexpectedly to protect itself.
From my experience, a heat sink helps dissipate that heat effectively by drawing it away from critical components. This keeps my mini PC running smoothly and prevents any damage caused by excessive heat. Plus, with a proper heat sink, I’ve noticed quieter operation since the cooling fans don’t have to work as hard. In short, the heat sink is essential in maintaining both performance and the health of my mini PC over time.
My Buying Guides on Heat Sink For Mini Pc
When I first started looking for a heat sink for my mini PC, I realized how crucial it is to pick the right one to keep my system cool and running smoothly. Here’s what I learned along the way, and I hope it helps you choose the perfect heat sink for your mini PC.
1. Understand Your Mini PC’s Cooling Needs
Every mini PC has different cooling requirements based on its processor, usage, and case design. I checked my CPU’s TDP (Thermal Design Power) rating first because the heat sink must be capable of dissipating that amount of heat. Knowing this helped me avoid underperforming coolers that wouldn’t keep temperatures in check.
2. Size and Compatibility Matter
Space inside a mini PC is limited, so I paid close attention to the dimensions of the heat sink. I measured the available clearance inside my case and made sure the heat sink would fit without interfering with other components like RAM or GPU slots. Also, I confirmed the mounting mechanism was compatible with my motherboard socket.
3. Passive vs. Active Cooling
I had to decide between passive heat sinks (no fans) and active heat sinks (with fans). Passive cooling is silent and has no moving parts, which is great for noise-sensitive setups. However, for higher-performance mini PCs, I found active cooling more reliable because the fan helps move heat away faster. It really depends on how much heat your PC generates.
4. Material Quality – Go for Aluminum or Copper
The material of the heat sink affects its thermal conductivity. I learned that copper conducts heat better than aluminum, but it’s usually heavier and more expensive. Many heat sinks combine both materials—copper bases with aluminum fins—to balance performance and weight. I opted for one with a copper base for better heat transfer.
5. Noise Levels and Fan Quality
If choosing an active heat sink, I checked reviews for noise levels. Some fans can be quite loud, which is distracting if you use your mini PC in a quiet environment. I looked for models with fluid dynamic bearings or magnetic levitation fans because they tend to be quieter and last longer.
6. Ease of Installation
Since I’m not a professional builder, ease of installation was important. I chose a heat sink that came with clear instructions and all necessary mounting hardware. Some models also include thermal paste pre-applied, which saved me time and ensured good contact between the CPU and the heat sink.
7. Budget Considerations
Heat sinks come at various price points. I balanced cost with quality and performance, avoiding the cheapest options because they often lack durability or cooling capacity. Investing a little more gave me peace of mind that my mini PC would stay cool during intensive tasks.
8. Additional Features
Some heat sinks come with extra features like RGB lighting or software control for fan speeds. While these aren’t essential for cooling, I considered them for aesthetics and customization. However, I prioritized cooling efficiency over flashy features.
Final Thoughts
Choosing the right heat sink for my mini PC was about understanding my system’s needs and balancing size, cooling performance, noise, and budget. Taking the time to research and compare options helped me keep my mini PC running cool and quiet. I recommend you do the same, and soon you’ll find a heat sink that fits your setup perfectly.
Author Profile
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Ronald Brown is the voice behind mwanakin.com, where he shares hands-on product reviews and real-world insights drawn from over a decade of experience in the education technology field. With a background in instructional design and product advising, Ronald developed a sharp eye for tools that actually work not just those that look good on paper. In 2025, he stepped away from corporate life to focus on building a blog that helps everyday people make smarter buying choices.
Based in Augusta, Georgia, Ronald now spends his time testing gadgets, writing honest reviews, and helping readers cut through marketing noise. Whether it’s a piece of tech, a home essential, or something in between, he believes in evaluating products the way people really use them in kitchens, offices, and living rooms, not labs. When he's not blogging, you'll find him exploring old camera gear, brewing strong coffee, or reading up on the next tool he plans to try.
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