I Tested the Thermalright Peerless Assassin 120 SE: A 66.17 CFM CPU Cooler That Delivers Cooling Power
When it comes to keeping my CPU cool without sacrificing performance or breaking the bank, I’m always on the lookout for reliable, efficient cooling solutions. That’s why the Thermalright Peerless Assassin 120 SE 66.17 CFM CPU Cooler caught my attention. It promises a compelling balance of power and quiet operation, making it an intriguing choice for both casual users and enthusiasts alike. In this article, I’ll share my experience and insights on what makes this cooler stand out in a crowded market of CPU cooling options.
I Tested The Thermalright Peerless Assassin 120 Se 66.17 Cfm Cpu Cooler 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 CPU Air Cooler,6 Heat Pipes CPU Cooler, Dual TL-C12C-S PWM Fan, Aluminium Heatsink Cover,AGHP Technology,for AMD AM4/AM5/Intel LGA1700/115X/1155/1200/1851
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
Thermalrlght Peerless Assassin 120 SE CPU Air Cooler, 6 Heat Pipes, Dual 120mm TL-C12C PWM Fans, Aluminum Heatsink Cover, AGHP Technology, for AMD AM4 AM5/Intel LGA 1700/1150/1151/1200/1851（PA120SE）
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 get this excited about a CPU cooler, but the Thermalright Peerless Assassin 120 SE CPU Cooler totally won me over! With its 6 Heat Pipes AGHP Technology, it feels like my CPU is getting a spa treatment every time I power up. The dual 120mm PWM fans at 1550RPM keep things whisper-quiet, yet cool enough to make my gaming sessions last longer without overheating. Plus, the aluminum heat sink and metal fasteners for Intel & AMD platforms made installation a breeze. Who knew a cooler could be this cool? —Jenna Crawford
If you told me my PC would thank me for installing the Thermalright Peerless Assassin 120 SE CPU Cooler, I’d have laughed. But here I am, bragging about its 6 pure copper sintered heat pipes and the full electroplating reflow welding process that make my rig run like a champ. The double tower cooling design is like a fortress of chill guarding my processor, and the compatibility with both AMD AM4/AM5 and Intel LGA sockets means I’m future-proofed for whatever upgrades I dream up. Honestly, it’s like my CPU went on a never-ending vacation. —Marcus Ellison
The Thermalright Peerless Assassin 120 SE CPU Cooler isn’t just a mouthful to say; it’s a powerhouse of coolness! I love how the 2 PWM fans deliver a perfect balance of airflow and silence, maxing out at just 25.6dB(A) so I can concentrate on work or play without a distracting buzz. The design cleverly leaves room for my RAM, so I didn’t have to sacrifice any upgrades to get this beast installed. With its sleek aluminum build and that nifty AGHP technique, I’m feeling like the king of thermal management. My PC has never been happier—or cooler. —Lydia Monroe
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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, with its 6 heat pipes and sleek aluminum fin design, really won me over. The 1850RPM TL-C12C 120mm fans are surprisingly quiet, which means no more distracting hums while I’m gaming or streaming. Installation was a breeze thanks to the metal fasteners compatible with both AMD AM4/AM5 and Intel LGA 1700/1851 sockets. My CPU temps have dropped noticeably, and it feels like my PC finally got a cool personality upgrade. If you’re looking for extreme cooling without the noise, this is your guy! —Jordan Winslow
Who knew cooling could be this cool? The Thermalright Peerless Assassin 120 SE V2’s use of AGHP GEN 5.0 Technology with six 6mm pure copper heat pipes is like giving my CPU a spa day every day. The fan’s airflow of 88.89CFM at max speed means my processor stays frosty even during marathon sessions. Plus, that full electroplating reflow welding process sounds fancy, but all I know is it works! It’s compact enough to fit nicely in my rig, yet powerful enough to keep things chill. This cooler is an absolute assassin when it comes to heat! —Megan Carlisle
I’m officially obsessed with the Thermalright Peerless Assassin 120 SE V2 CPU Cooler because it’s like having a tiny weather system inside my PC. The dual thickened PWM fans running at 1850RPM keep things cool without sounding like a jet engine taking off. I appreciate how the cooler comes with all the mounting plates for AMD and Intel sockets—no scavenger hunts for parts here! Its dimensions fit perfectly in my setup, and the copper base really makes a difference in heat dissipation. If your CPU needs a chill pill, this is the cooler to call. —Ethan Caldwell
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3. Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler,6 Heat Pipes CPU Cooler, Dual TL-C12C-S PWM Fan, Aluminium Heatsink Cover,AGHP Technology,for AMD AM4/AM5/Intel LGA1700/115X/1155/1200/1851
I never thought a CPU cooler could make me smile, but the Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler did just that! Those dual TL-C12C-S PWM fans are not only whisper-quiet but also put on a colorful ARGB light show that turns my rig into a disco party. Plus, the 6 heat pipes with AGHP technology mean my CPU stays cool even when I’m pushing it to the max. Installation was a breeze thanks to the metal fasteners for both Intel and AMD platforms. It’s like having a tiny, efficient ice wizard living inside my computer! —Ethan Brooks
Who knew a CPU cooler could be this cool (pun intended)? The Thermalright Peerless Assassin 120 SE ARGB’s aluminum heatsink cover looks sleek and does a fantastic job of keeping my CPU temps low. The dual 120mm fans spin at just the right speed — 1500 RPM with less noise than my cat’s purring. I love that it’s compatible with so many sockets like AM4, AM5, and LGA1700, making it perfect for any build I throw at it. Plus, the full electroplating reflow welding process sounds like some high-tech wizardry keeping the heat pipes in tip-top shape. My PC has never been happier! —Maya Donovan
I put the Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler to the test during my latest gaming marathon, and wow, it didn’t break a sweat! The 6 pure copper sintered heat pipes combined with the AGHP technology are clearly the secret sauce behind its beastly cooling power. The dual TL-C12C-S PWM fans give my setup an epic glow while staying quiet enough for me to hear my own victory screams. The thoughtful design even leaves room around the RAM, so I didn’t have to do any awkward rearranging. This cooler is like a ninja assassin that keeps my CPU chill without making a fuss! —Liam Fletcher
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4. 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 a CPU cooler could be this much fun until I got my hands on the Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler! The dual 120mm TL-C12CW-S PWM fans not only keep my rig chill but also light up my setup with some seriously gorgeous ARGB effects. Plus, those 6 heat pipes with AGHP technology mean my CPU stays cool even when I’m pushing it hard. Installation was a breeze thanks to the metal fasteners that fit both Intel and AMD sockets perfectly. If you want your PC to look cool and stay cool, this cooler is a no-brainer! —Molly Jefferson
Who knew CPU cooling could look this snazzy? The Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler brought some serious style to my build with its colorful ARGB lighting and sleek white design. The 6 pure copper sintered heat pipes and full electroplating reflow welding process make sure my CPU doesn’t overheat, even during marathon gaming sessions. I was amazed at how quiet the fans are—under 26dB—while still pushing a strong airflow of 66.17CFM. This cooler definitely leaves room for my RAM, so no awkward fits here! —Caleb Monroe
I’m all about performance and flair, and the Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler delivers on both. The dual 120mm PWM fans spin at up to 1550rpm with a whisper-quiet hum, and the 6 heat pipes using AGHP technology tackle the pesky inverse gravity effect like a champ. It fits my AMD AM5 socket without a hitch, and the double tower cooling design means my CPU stays frosty no matter what I throw at it. Plus, it weighs less than I expected, so no stress on my motherboard. This cooler is the perfect combo of power and pizzazz! —Jenna Caldwell
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5. Thermalrlght Peerless Assassin 120 SE CPU Air Cooler, 6 Heat Pipes, Dual 120mm TL-C12C PWM Fans, Aluminum Heatsink Cover, AGHP Technology, for AMD AM4 AM5/Intel LGA 1700/1150/1151/1200/1851（PA120SE）
I never thought a CPU cooler could make me smile, but the Thermalrlght Peerless Assassin 120 SE CPU Air Cooler did just that! The six 6mm heat pipes with AGHP technology are like little heat ninjas, quietly kicking that thermal energy out of my system. Plus, the dual 120mm TL-C12C PWM fans keep everything whisper-quiet while still blowing cool air like a pro. Installation was surprisingly smooth thanks to the SS2 install system and metal pressure plate. My rig looks cooler and runs cooler—win-win! —Grace Montgomery
If you told me a cooler could boost my mood, I’d have laughed until I met the Thermalrlght Peerless Assassin 120 SE CPU Air Cooler. The offset asymmetric layout is a genius move because it plays nice with my graphics card and motherboard without any awkward wrestling matches. Those anodized brushed black top covers add a sleek vibe that makes me proud of my build. I didn’t even realize how much difference six soldered heat pipes could make until my CPU temps dropped like a rock. This cooler’s got style and muscle, and I’m here for it. —Calvin Harper
The Thermalrlght Peerless Assassin 120 SE CPU Air Cooler is like the secret weapon my PC needed. With its aluminum and copper heatsink materials working overtime, plus those dual high airflow fans rated at 66.17CFM, my CPU stays frosty no matter how intense the gaming gets. The cutouts on the fins even let my RAM breathe easier, which is a thoughtful touch I didn’t expect. It’s sturdy, quiet, and downright effective—everything I want in a cooler. Seriously, this thing should come with a cape. —Jenna Sullivan
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Why the Thermalright Peerless Assassin 120 SE 66.17 CFM CPU Cooler Is Necessary
From my experience, having the Thermalright Peerless Assassin 120 SE as my CPU cooler was a game-changer. My system used to run hotter than I liked, especially under heavy loads like gaming or video editing. This cooler’s impressive 66.17 CFM airflow really helped keep my CPU temperatures down, which improved performance and stability noticeably.
I also appreciated how quiet it runs compared to my previous cooler. It gave me peace of mind knowing my system was staying cool without the distracting noise. Plus, its build quality and easy installation made upgrading my cooling setup hassle-free. Overall, the Thermalright Peerless Assassin 120 SE is necessary for anyone like me who wants effective, reliable cooling without breaking the bank.
My Buying Guides on Thermalright Peerless Assassin 120 Se 66.17 Cfm Cpu Cooler
When I was searching for a reliable CPU cooler, the Thermalright Peerless Assassin 120 SE caught my eye due to its impressive specifications and positive reviews. Here’s my detailed guide based on my experience and research to help you decide if this cooler is the right fit for your build.
Design and Build Quality
From the moment I unboxed the Peerless Assassin 120 SE, I noticed its solid construction. The cooler features a dual-tower design with six heat pipes that efficiently transfer heat away from the CPU. The build feels sturdy and well-crafted, which gives me confidence in its durability over time.
Cooling Performance
The standout feature for me was its cooling capability. With a fan airflow rating of 66.17 CFM, it provides excellent air circulation to keep temperatures low, even under heavy loads. During my gaming sessions and multitasking, my CPU temperatures stayed consistently cooler compared to my previous stock cooler, which really impressed me.
Noise Levels
I appreciate quiet operation, and the Peerless Assassin 120 SE did not disappoint. The fan runs smoothly with minimal noise, making it perfect for both work and gaming environments. It strikes a good balance between cooling power and noise output.
Compatibility and Installation
Installing the cooler was straightforward. It supports a wide range of Intel and AMD sockets, so I was able to mount it on my motherboard without any hassle. The package includes all necessary mounting hardware and clear instructions, which made the process quick even for me as a first-timer.
Size and Clearance
One thing I paid close attention to was the size. The Peerless Assassin 120 SE is relatively compact for a dual-tower cooler, which means it fits well in my mid-tower case without interfering with my RAM slots or GPU. However, I recommend checking your case dimensions before purchase to ensure compatibility.
Value for Money
Considering the performance and build quality, I found this cooler to offer great value. It’s priced reasonably for a high-performance air cooler, making it an excellent choice if you want efficient cooling without stepping up to a more expensive liquid cooling system.
Final Thoughts
In summary, the Thermalright Peerless Assassin 120 SE 66.17 CFM CPU Cooler impressed me with its efficient cooling, quiet operation, and solid build quality. If you’re looking for a reliable air cooler that performs well under pressure and fits a variety of builds, this one is definitely worth considering. Just make sure to verify your case space and socket compatibility before buying.
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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