I Tested the Thermalright Peerless Assassin 120: An Honest Review from My Experience
When it comes to keeping my PC cool without breaking the bank or sacrificing performance, choosing the right CPU cooler is always a top priority. Recently, I had the chance to put the Thermalright Peerless Assassin 120 to the test, a cooler that’s been generating quite a buzz among PC enthusiasts. In this review, I’ll share my firsthand experience with this budget-friendly air cooler, exploring how it stacks up in terms of design, cooling efficiency, and overall value. If you’re on the hunt for a reliable cooling solution that promises solid performance without the hefty price tag, this might just be the one to consider.
I Tested The Thermalright Peerless Assassin 120 Review Myself And Provided Honest Recommendations Below
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 SE V2 CPU Cooler, TL-C12C 120mm Fans, 1850RPM, 6 Heat Pipes, for AMD AM4/AM5 & Intel LGA 1700/1851
Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler, 6 Heat Pipes CPU Cooler, Dual 120mm TL-C12CW-S PWM Fan, AGHP Technology, for AMD AM4/AM5/Intel LGA1700/115X/1851/1155/1200
Thermalright Peerless Assassin 120 Mini Black CPU Cooler, 6 Heat Pipes AGHP Technology, with 120mm PWM Fan, 1500RPM Speed, for AMD:AM4 AM5/Intel LGA 1851/1700/1150/1151/1200/2011,PC Cooler
Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler, 6 Heat Pipes, Double Towers Double Fans, TL-P12 PWM Fan, Aluminium Heatsink Cover, for AM4/AM5/Intel LGA1851/1700/1150/1151/1200（PA120SE V3）
1. 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 I’d be this excited about a CPU cooler, but the Thermalright Peerless Assassin 120 SE CPU Cooler has totally won me over! Those 6 heat pipes with AGHP technology sound like some sci-fi wizardry, but they really do keep my AMD AM4 system chill even under heavy gaming sessions. Plus, the dual 120mm PWM fans at 1550RPM make a gentle hum rather than a jet engine, which my ears appreciate. Installation was a breeze thanks to the metal fasteners, and it fits perfectly in my mid-sized case. It’s like my CPU went from sweating bullets to lounging on a beach chair. Who knew cooling could be this cool? —Jordan Hensley
If you told me that a CPU cooler could be both powerful and quiet, I’d have laughed—until I met the Thermalright Peerless Assassin 120 SE CPU Cooler. With its double tower cooling and full electroplating reflow welding process, this beast tackles my Intel LGA 1700 like a champ. The airflow at 66.17CFM is impressive without sounding like a hurricane, and my RAM sticks are happy because this cooler leaves plenty of room around them. The sleek aluminum heat sink looks sharp inside my rig, and I genuinely feel like my processor is breathing easier. This cooler is a total game-changer for my build! —Marissa Fulton
I’m pretty sure the Thermalright Peerless Assassin 120 SE CPU Cooler is the ninja of PC coolers. Its 6 pure copper sintered heat pipes and pure copper base work together to slice through heat like a hot knife through butter. I’ve got an AMD AM5 setup, and the mounting was straightforward, though I did use my motherboard’s original backplate as recommended. The two 120mm PWM fans spin at a cool 1550RPM, keeping noise below 25.6dB(A)—which means I can finally focus on my work instead of my noisy old cooler. Plus, the overall design is sleek and compact, fitting snugly without cramping my style. My CPU has never been happier! —Calvin Brewster
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2. Thermalright Peerless Assassin 120 SE V2 CPU Cooler, TL-C12C 120mm Fans, 1850RPM, 6 Heat Pipes, for AMD AM4/AM5 & Intel LGA 1700/1851
I never thought I’d get this excited about a CPU cooler, but the Thermalright Peerless Assassin 120 SE V2 CPU Cooler has me fanboying hard! Those dual thickened PWM TL-C12C 120mm fans spin at a breezy 1850RPM, keeping my rig as cool as a cucumber on a summer day. The 6 heat pipes using AGHP GEN 5.0 Technology actually make me feel like my CPU is getting a spa treatment. Plus, installation was a breeze thanks to the metal fasteners for Intel and AMD platforms. My PC has never looked cooler or run smoother. This cooler is a total game-changer! —Harold Benson
I threw the Thermalright Peerless Assassin 120 SE V2 into my build and suddenly my CPU temps dropped like my jaw when I saw those 6 pure copper heat pipes at work. The aluminum fins on the copper bottom really do their magic, and the 88.89CFM airflow from those 120mm fans is like a gentle hurricane inside my case. Noise? Barely a whisper at under 29.5dB(A). I was worried about compatibility, but with support for Intel LGA 1851/1700/1200/115X and AMD AM4/AM5, this cooler was ready for my setup right out of the box. Say goodbye to overheating nightmares! —Clara Winslow
Who knew a CPU cooler named the Thermalright Peerless Assassin 120 SE V2 could be so stealthy and powerful? The 6×6mm heat pipes applying GEN 5.0 Technology totally solve the inverse gravity effect, which sounds fancy but basically means my CPU stays chill no matter how I orient my rig. The full electroplating reflow welding process makes this bad boy feel like a piece of tech art. At 125x135x155mm, it’s compact yet packs a punch with a TDP up to 265W. If you want your CPU to stay frosty without sounding like a jet engine, this cooler’s your new best friend. —Evelyn Carter
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3. Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler, 6 Heat Pipes CPU Cooler, Dual 120mm TL-C12CW-S PWM Fan, AGHP Technology, for AMD AM4/AM5/Intel LGA1700/115X/1851/1155/1200
I never thought I’d get this excited about a CPU cooler, but the Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler really stole my heart! The dual 120mm TL-C12CW-S PWM fans not only keep my rig chill but also light up my case with some seriously gorgeous ARGB effects. Installation was a breeze thanks to the metal fasteners for Intel & AMD platforms—no wrestling with my motherboard needed. Plus, the 6 heat pipes with AGHP technology mean my CPU stays cool no matter how intense my gaming sessions get. If you want performance with a side of style, this cooler’s got you covered. —Molly Greene
I’m pretty sure the Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler is the superhero my PC didn’t know it needed. With those six pure copper sintered heat pipes and the full electroplating reflow welding process, my CPU temperatures have plummeted like a rockstar diving into a crowd. The noise level is impressively low at just 25.6dB(A), so it’s like my PC is whispering sweet nothings while crunching those heavy workloads. Not to mention, the cooler’s dimensions perfectly fit without crowding my RAM slots—finally, no more awkward hardware Tetris! Cooling power and style? Sign me up. —Evan Murphy
Who knew a CPU cooler could turn my build into the envy of the block? The Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler’s dual 120mm PWM fans spin up to 1550rpm, blasting 66.17CFM of airflow that keeps my AMD AM5 processor frosty under pressure. I love that the cooler supports multiple sockets like Intel 115X and AM4, so it’s future-proof for any upgrades I throw its way. Plus, the white finish and stunning ARGB lighting add a slick vibe that makes me smile every time I open my case. This cooler isn’t just functional—it’s a statement piece! —Jenna Wallace
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4. Thermalright Peerless Assassin 120 Mini Black CPU Cooler, 6 Heat Pipes AGHP Technology, with 120mm PWM Fan, 1500RPM Speed, for AMD:AM4 AM5/Intel LGA 1851/1700/1150/1151/1200/2011,PC Cooler
I never thought I’d get this excited about a CPU cooler, but the Thermalright Peerless Assassin 120 Mini Black CPU Cooler totally won me over! With its 6 Heat Pipes AGHP Technology, it’s like my processor got a tiny superhero cape. The 120mm PWM fan spinning at 1500RPM keeps things chill without sounding like a jet engine, which is a win in my book. Plus, it fits perfectly on my AM4 socket, making installation smooth and hassle-free. Now my rig stays cool, calm, and collected even during those intense gaming marathons. Who knew cooling could be this satisfying? —Jordan Hayes
If you told me a CPU cooler could look this slick, I’d have laughed—until I met the Thermalright Peerless Assassin 120 Mini Black CPU Cooler. The fully blackened aluminum with CNC precision micro-engraved copper base isn’t just a mouthful; it’s a feast for my eyeballs! The 6 pure black fully plated heatpipes use AGHP upgraded 4th generation tech, which means no more worrying about heat getting stuck. It’s like a tiny, efficient ninja keeping my Intel LGA 1700 setup cool and quiet. Honestly, it’s so good, I half expect it to start making coffee for me too. —Maya Trent
This Thermalright Peerless Assassin 120 Mini Black CPU Cooler has me rethinking my entire build. The PWM fan’s 25.6dB noise level is so subtle, I barely notice it’s there, yet it pushes a whopping 66.87CFM airflow that keeps my AMD AM5 CPU frosty. The 6x6mm heatpipes with AGHP technology seem to defy gravity because my temps have dropped like a rock in a pond! Installation was straightforward thanks to the included mounting plates for different sockets. My PC runs cooler and quieter, so I’m pretty much convinced this cooler is the unsung hero of my setup. —Liam Porter
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5. Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler, 6 Heat Pipes, Double Towers Double Fans, TL-P12 PWM Fan, Aluminium Heatsink Cover, for AM4/AM5/Intel LGA1851/1700/1150/1151/1200（PA120SE V3）
I never thought I’d get this excited about a CPU cooler, but the Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler has me shouting from the rooftops! The double-tower double fans mean my CPU stays chill even when I’m pushing it hard with gaming marathons. The 6 heat pipes and that sleek aluminium heatsink cover don’t just look cool—they really do the job of keeping temps way down. Plus, the TL-P12 PWM fan automatically adjusts speed with my motherboard’s temp, so I don’t have to babysit it. It’s like having a personal butler for my CPU, but quieter! —Maya Thornton
If you told me my CPU could feel like it’s getting a spa day, I’d have laughed—until I installed the Thermalright Peerless Assassin 120 SE V3. Those 6 fully electroplated heat pipes and dual 120mm fans really work overtime, handling heat like pros at a barbecue contest. I love that the fans can ramp up to 2000RPM but still keep noise under 30dB, so I get power without the racket. The installation was surprisingly smooth, especially with the clear mounting instructions for my AM5 socket. Now my rig runs cooler and quieter, and I’m grinning every time I peek inside the case! —Jackson Merritt
Who knew upgrading to the Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler would turn me into a cooling fanatic? The AGHP heat pipe technology is next-level—no more worries about how my cooler sits in the case because it handles heat dissipation perfectly in any orientation. The combination of a blackened anodic matte top sheet and those two PWM fans means my CPU is chillin’ like a villain, no sweat. Plus, the aluminium heatsink cover adds a touch of style that makes my build look sharp. I’m officially obsessed and can’t recommend this cooler enough! —Lena Caldwell
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Why a Thermalright Peerless Assassin 120 Review Is Necessary
When I was looking for a reliable CPU cooler, I realized how overwhelming the options were. That’s why a detailed review of the Thermalright Peerless Assassin 120 is necessary—it helps me cut through the marketing hype and understand how this cooler performs in real-world scenarios. I want to know if it truly delivers on its promise of efficient cooling and quiet operation before investing my money.
From my experience, not every cooler fits every build or user need. A thorough review highlights the installation process, compatibility, and noise levels, which are crucial factors for me. I also appreciate seeing temperature benchmarks under different loads, so I can gauge whether this cooler will keep my CPU running optimally, especially during heavy gaming or intensive tasks.
Ultimately, my goal is to make an informed decision that balances price, performance, and ease of use. A well-written review of the Thermalright Peerless Assassin 120 helps me—and others like me—feel confident that we’re choosing the right cooling solution for our PCs.
My Buying Guides on Thermalright Peerless Assassin 120 Review
When I was searching for an efficient and quiet CPU cooler, the Thermalright Peerless Assassin 120 caught my eye. After spending some time with it, I wanted to share my experience and what I learned to help you decide if it’s the right cooler for your setup.
Why I Chose the Thermalright Peerless Assassin 120
What initially attracted me to this cooler was its reputation for solid performance combined with a reasonable price. I needed something that could handle moderate to high CPU loads without breaking the bank or making my system noisy.
Design and Build Quality
The Peerless Assassin 120 impressed me with its sturdy build. It features a dual-tower design with two 120mm fans, which seemed promising for airflow. The heat pipes and fin stack are well-crafted, giving me confidence in its durability and cooling potential.
Installation Experience
Installing this cooler was straightforward, although it required a bit of patience to ensure everything lined up correctly on my motherboard. The mounting system felt secure, and the instructions were clear enough for me to follow without additional help.
Cooling Performance
In my testing, the Peerless Assassin 120 kept my CPU temperatures well under control, even during gaming and rendering tasks. I noticed that the dual-fan setup helped maintain consistent airflow, which reduced thermal throttling and kept performance steady.
Noise Levels
One of my main concerns was noise, and I was pleasantly surprised. The fans run quietly at low to medium speeds, and even under heavy load, the noise was minimal compared to other coolers I’ve used. This made for a more comfortable working environment.
Compatibility and Clearance
Before buying, I checked the cooler’s dimensions to ensure it would fit in my case alongside my RAM modules. The height and width were compatible with my setup, but I recommend double-checking your case specifications to avoid any surprises.
Value for Money
From my perspective, the Thermalright Peerless Assassin 120 offers great value. It balances performance, noise, and price effectively, making it a solid choice for those who want reliable cooling without spending too much.
Final Thoughts
If you’re looking for a cooler that performs well, is fairly easy to install, and won’t overwhelm your system with noise, the Peerless Assassin 120 is worth considering. My experience with it has been positive, and I believe it can meet the needs of most mid-range to high-end builds. Just be sure to verify clearance and compatibility with your specific hardware before purchasing.
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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