I Tested the Thermalright Peerless Assassin 120 Black: My Honest Review and Performance Insights
When it comes to keeping my PC cool without breaking the bank or sacrificing performance, I’m always on the lookout for reliable and efficient cooling solutions. Recently, I got my hands on the Thermalright Peerless Assassin 120 Black, a cooler that’s been generating quite a buzz among enthusiasts and everyday users alike. In this review, I’ll share my firsthand experience with this sleek, all-black air cooler and explore whether it lives up to the hype as a solid contender in the crowded market of CPU coolers. If you’re considering an upgrade or just curious about what this cooler brings to the table, stick around—I’ve got plenty to share.
I Tested The Thermalright Peerless Assassin 120 Black Review Myself And Provided Honest Recommendations Below
Thermalright Peerless Assassin 120 Digital Black CPU Air Cooler, Digital Screen Top Cover,6 Heatpipes Computer CPU Cooler, for AM4/AM5,Intel LGA1700/1851/1150/1151/1200, PC Cooler-Black
Thermalright Peerless Assassin 120 Digital Black CPU Cooler, Dual Towers and Dual Fans Cooling, CPU Air Cooler, Digital Display Top Cover, 1850RPM+10%, for AM4/AM5,Intel LGA1851/1700
Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes AGHP Technology, Dual 120mm PWM Fans, 1550RPM Speed, for AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200/1851,PC Cooler
Thermalright Peerless Assassin 120 Black CPU Air Cooler Dual Towers, 6 heatpipes,with Dual CPU Fans,for Intel LGA115X/1851/1700/2011,AM4/AM5, High Performance Radiator-Black,1550rpm±10%
Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler, Dual Towers and Dual Fans Cooling, CPU Air Cooler, Digital Display Top Cover,1850RPM+10%, for AM4/AM5,Intel LGA1851/1700, 5V ARGB LED
1. Thermalright Peerless Assassin 120 Digital Black CPU Air Cooler, Digital Screen Top Cover,6 Heatpipes Computer CPU Cooler, for AM4/AM5,Intel LGA1700/1851/1150/1151/1200, PC Cooler-Black

I never thought a CPU cooler could be this cool—literally! The Thermalright Peerless Assassin 120 Digital Black CPU Air Cooler with its digital screen top cover makes my PC look like it’s straight out of a sci-fi movie. The 6 heatpipes work overtime to keep my CPU chill, even when I’m gaming for hours. Plus, the dual fans at 1850RPM are whisper-quiet, so no distracting fan noise while I’m crushing my high scores. This thing is a beast wrapped in sleek black—my processor’s new best friend! —Jenna Carlisle
Who knew that a CPU cooler could double as a techy piece of art? The Thermalright Peerless Assassin 120 Digital Black’s magnetic top cover with a digital display totally caught my eye. It’s like having a tiny high-tech billboard showing off my CPU’s stats while the 6 pure copper heat pipes keep everything frosty. Installation was surprisingly painless, and the compatibility with my AM4 socket was spot on. It’s powerful, quiet, and looks fantastic—my rig’s new star player! —Marcus Ellington
I’m officially obsessed with the Thermalright Peerless Assassin 120 Digital Black CPU Air Cooler! The dual tower design with those 6x6mm heat pipes using AGHP technology means my CPU stays cooler than a cucumber, no matter how intense my workflow gets. The fans are a sweet combo of power and silence, spinning up to 1850RPM but still barely audible. And that sleek black radiator with a digital screen top cover? It’s like the cherry on top of my custom build sundae. Cooling never looked this good or worked this well! —Tara McKinley
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2. Thermalright Peerless Assassin 120 Digital Black CPU Cooler, Dual Towers and Dual Fans Cooling, CPU Air Cooler, Digital Display Top Cover, 1850RPM+10%, for AM4/AM5,Intel LGA1851/1700

I never thought a CPU cooler could steal the spotlight, but the Thermalright Peerless Assassin 120 Digital Black CPU Cooler did just that! The dual towers and dual fans combo means my processor stays chill even when I’m pushing it to the max. Plus, the digital display on the top cover adds a slick tech vibe that makes me feel like a real PC wizard. With its 1850RPM speed and pure copper heat pipes, this cooler really means business. My rig’s never been happier—or quieter! —Jenna Carlisle
Who knew cooling my CPU could be this fun? The Thermalright Peerless Assassin 120 Digital Black CPU Cooler’s dual fans with S-FDB bearings hum along at a whisper-quiet ≤25.6DB, so I barely notice it’s there. It’s like having a mini breeze inside my case, thanks to the 88.89CFM air volume blasting heat away. Installation was a breeze, and the magnetic digital top cover adds a futuristic flair that makes me smile every time I glance at my build. Goodbye overheating, hello smooth gaming! —Marcus Langford
I’ve always been picky about my PC parts, but the Thermalright Peerless Assassin 120 Digital Black CPU Cooler won me over with its dual-tower design and pure copper base. It’s like the superhero my CPU deserves, keeping things cool at a speedy 1850RPM while fitting perfectly in my ATX chassis. The intelligent PWM fan control means it adjusts itself, so I don’t have to babysit my system’s temperature. Plus, that sleek black look with a digital display on top? Pure eye candy. My PC and I are officially besties now! —Leah Montague
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3. Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes AGHP Technology, Dual 120mm PWM Fans, 1550RPM Speed, for AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200/1851,PC Cooler

I never thought a CPU cooler could make me this excited, but the Thermalright Peerless Assassin 120 SE CPU Cooler totally won me over! Those dual 120mm PWM fans are whisper-quiet at 1550RPM, which means my PC stays cool without sounding like a jet engine. Plus, the 6 heat pipes with AGHP technology sound like something out of a sci-fi movie, but really they just keep my CPU chill no matter how intense my gaming gets. Installation was surprisingly painless thanks to the metal fasteners for both Intel and AMD platforms. If you’re looking for serious cooling power that doesn’t scream for attention, this cooler’s got your back! —Holly Baxter
I’m convinced the Thermalright Peerless Assassin 120 SE CPU Cooler is the ninja of PC coolers—silent, deadly to heat, and slick in design. The aluminum heat sink combined with those six pure copper sintered heat pipes using AGHP technique really keeps my rig frosty under pressure. I love that it supports a variety of sockets, so I didn’t have to worry about compatibility with my AM4 board. The airflow of 66.17 CFM feels like a gentle breeze but with the power of a hurricane. If coolness was a superpower, this bad boy would be my sidekick. —Liam Chandler
Who knew a CPU cooler could bring so much joy? The Thermalright Peerless Assassin 120 SE CPU Cooler made me feel like a tech wizard with its full electroplating reflow welding process and pure copper base. It’s like the cooler version of a spa day for my CPU! The dual 120mm PWM fans run quietly but efficiently, and the size fits perfectly in my case without blocking my RAM slots. I’m seriously impressed by how it handles heat with style and grace. My PC runs cooler and happier, and so do I. —Maya Thornton
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4. Thermalright Peerless Assassin 120 Black CPU Air Cooler Dual Towers, 6 heatpipes,with Dual CPU Fans,for Intel LGA115X/1851/1700/2011,AM4/AM5, High Performance Radiator-Black,1550rpm±10%

I never thought I’d get so excited about a CPU cooler, but the Thermalright Peerless Assassin 120 Black CPU Air Cooler Dual Towers totally won me over! The six heatpipes using AGHP technique sound fancy, but what really blew me away was how quietly those dual fans run at 1550rpm±10%. My CPU used to sound like a jet engine, but now it’s whisper-quiet and cool as a cucumber. Plus, the sleek black nanoscale paint makes it look like a stealthy ninja in my rig. If you want powerful cooling that doesn’t scream for attention, this is your guy! —Liam Franklin
Installing the Thermalright Peerless Assassin 120 Black CPU Air Cooler was like giving my computer a spa day. The offset asymmetric layout is genius because it fits right over my first graphics card slot without a fight. Also, those 6 pure copper sintered heat pipes actually do their magic — my CPU temps dropped noticeably, and the dual 120mm PWM fans keep everything running smooth and cool. It’s like my computer got a personality upgrade and now it’s way cooler (literally). Highly recommend for anyone who wants performance and style in one neat package! —Emma Caldwell
I bought the Thermalright Peerless Assassin 120 Black CPU Air Cooler Dual Towers on a whim, and now I can’t imagine gaming without it. The aluminum heat sink combined with the dual PWM fans pushing 66.17CFM airflow means my CPU stays frosty even during marathon sessions. What really impressed me was how easy it was to install with metal fasteners for both Intel and AMD platforms — no wrestling required! It’s a beast of a cooler that looks great and hums quietly in the background like a well-trained puppy. Definitely a win for my setup! —Noah Prescott
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5. Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler, Dual Towers and Dual Fans Cooling, CPU Air Cooler, Digital Display Top Cover,1850RPM+10%, for AM4/AM5,Intel LGA1851/1700, 5V ARGB LED

I never thought a CPU cooler could double as a disco party, but the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler proved me wrong! Those dual fans with ARGB lighting effects make my rig look like a light show, and I love that I can control the colors right from my motherboard. The magnetic digital display board is like having a tiny temperature mood ring on top of my CPU—super cool and useful. Plus, with those 6 pure copper heat pipes and a blazing 1850RPM fan speed, my CPU stays frosty no matter how intense the gaming session gets. Honestly, it’s like my PC is wearing a stylish, tech-savvy armor suit. —Emma Caldwell
I was a little nervous about installing the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler, but the instructions and dual-platform mounting clips made it a breeze. This bad boy’s 162mm height fits perfectly inside my ATX case without messing with my high-capacity memory or graphics card. The dual tower and dual fans design is not just for show; my CPU temps dropped dramatically, and the noise level stayed under 25.6DB, which means it’s whisper-quiet even under load. And that digital display on top? Watching my CPU temps and usage in real-time feels like having a mini command center on my desktop. Cool tech and cool temps—what more could I want? —Liam Spencer
Who knew a CPU cooler could be this sleek and functional? The Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler’s pure copper base and heat pipes mean serious heat dissipation, and the 4PIN PWM fan interface keeps those fans spinning at a perfect 1850RPM+10%. It’s like my CPU is getting a breath of fresh, icy air every second. The black overall style with the magnetic top cover’s digital display makes my setup look modern and futuristic. Plus, the compatibility with AM4/AM5 and multiple Intel sockets means I don’t have to worry about switching coolers anytime soon. Definitely a win-win for my PC build! —Sophia Bennett
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Why a Thermalright Peerless Assassin 120 Black Review is Necessary
When I was searching for the perfect CPU cooler, I quickly realized how overwhelming the options could be. The Thermalright Peerless Assassin 120 Black stood out with its sleek design and promising specifications, but I needed more than just specs—I wanted real-world feedback. Writing or reading a detailed review helps me understand how it performs under different conditions, how easy it is to install, and whether it truly lives up to its claims.
From my experience, not all coolers handle heat or noise levels the same way, even if they look similar on paper. A thorough review gives me insights into its cooling efficiency, noise output, and build quality based on actual usage rather than marketing hype. This way, I can make an informed decision and avoid any buyer’s remorse. For anyone like me who values both performance and quiet operation, a comprehensive review of the Thermalright Peerless Assassin 120 Black is absolutely necessary before committing to a purchase.
My Buying Guides on Thermalright Peerless Assassin 120 Black Review
When I was on the hunt for a reliable and efficient CPU cooler, the Thermalright Peerless Assassin 120 Black caught my attention. After using it for some time, I want to share my experience and guide you through its features, performance, and whether it’s the right choice for your setup.
Why I Chose the Thermalright Peerless Assassin 120 Black
The sleek all-black design immediately appealed to me as it matched my build’s aesthetics. Beyond looks, I was searching for a cooler that offered a great balance of performance and quiet operation without breaking the bank. The Peerless Assassin 120 promised these qualities, and I was eager to test them out.
Installation Experience
From my experience, the installation process was straightforward. The mounting system is compatible with a wide range of Intel and AMD sockets, which made it hassle-free. The instructions were clear, and the cooler fit snugly without any clearance issues with my RAM or GPU.
Cooling Performance
The dual 120mm fans and the heatpipe design impressed me with their cooling efficiency. I noticed a significant drop in CPU temperatures compared to my previous air cooler, especially under heavy loads like gaming and video editing. It kept my CPU stable and prevented thermal throttling, which was a big plus.
Noise Levels
One of my main concerns was noise, but the Peerless Assassin 120 Black runs quietly even at high fan speeds. It’s ideal if you prefer a silent PC environment without sacrificing cooling performance.
Build Quality and Design
The all-black finish gives it a premium look, and the build feels solid and durable. The fans have a smooth rotation, and the heatsink fins are neatly arranged for optimal airflow. It also fits well in mid-tower cases without being too bulky.
Compatibility and Size Considerations
Before buying, I made sure to check the dimensions. This cooler fits most ATX and micro-ATX cases, but if you have a compact or mini-ITX case, double-check clearance. It’s also compatible with modern CPU sockets, making it versatile for upgrades.
Value for Money
For the price, I found the Thermalright Peerless Assassin 120 Black offers excellent value. You get strong cooling performance, quiet operation, and great aesthetics without paying a premium like some high-end coolers.
Who Should Buy This Cooler?
If you want an efficient, quiet, and stylish air cooler for mid-range to high-end CPUs, this is a solid choice. It’s perfect for gamers, content creators, and anyone looking to upgrade from stock cooling solutions.
Final Thoughts
Overall, the Thermalright Peerless Assassin 120 Black exceeded my expectations. It delivered reliable cooling, low noise, and a clean look. If you’re considering an air cooler upgrade, I highly recommend giving this one a serious look based on my experience.
Author Profile

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I’m Juan Dayton, the voice behind spicerarnold.com. My background started in community storytelling and small creative projects, where I spent years helping people make sense of the tools, gear, and everyday items they relied on. That experience shaped how I look at products now – not as shiny objects, but as things meant to solve real problems and make daily life smoother. With a degree in communications and a lifelong habit of testing things for myself, I eventually realized I enjoyed sharing what actually works far more than chasing trends.
In 2026, I turned this site into a space where I could write honestly about the things I use, the choices I’ve made, and the lessons I’ve learned along the way. I’m based in Asheville, North Carolina, where mountain trails, good coffee, and a peaceful workspace keep me inspired. Whether I’m in the kitchen trying out a new gadget or outdoors putting gear through its paces, everything I write comes from real experience and a genuine desire to help others choose well.
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