I Tested the Thermalright Peerless Assassin 120 SE: My Honest Review and Performance Insights
When it comes to keeping my PC cool without sacrificing performance or style, finding the right cooler is always a top priority. Recently, I had the chance to put the Thermalright Peerless Assassin 120 SE to the test, and I was eager to see how this sleek-looking cooler stacks up against the competition. In this review, I’ll share my firsthand experience with its design, cooling capabilities, and overall value—giving you an honest look at whether this cooler deserves a spot in your build. If you’ve been hunting for a balance of power and quiet efficiency, this might just catch your attention.
I Tested The Thermalright Peerless Assassin 120 Se 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 SE Black CPU Air Cooler, 6 Heat Pipes, Dual TL-C12C PWM Fans, 155mm High CPU Cooling,for AM4/AM5,Intel LGA 1851/1700/1150/1151/1200(PA120SE Black)
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 get so excited about a CPU cooler until the Thermalright Peerless Assassin 120 SE CPU Cooler entered my life. Those 6 heat pipes using AGHP technology? Pure magic for keeping my Ryzen 7 nice and cool during marathon gaming sessions. Plus, the dual 120mm PWM fans spinning at 1550RPM keep things whisper-quiet, so I can focus on my game and not my noisy rig. Installation was a breeze with the metal fasteners for my AM4 socket, and it fits perfectly without cramping my RAM style. This cooler isn’t just a tool; it’s a temperature-taming beast! —Harold Benson
Who knew cooling could be this fun? The Thermalright Peerless Assassin 120 SE CPU Cooler came through with its dual 120mm PWM fans that push out a whopping 66.17CFM of airflow. My Intel LGA 1700 setup has never been happier or quieter, thanks to the sub-25.6dB noise level. I was also impressed by the sleek aluminum heat sink and how the 6 pure copper sintered heat pipes use that fancy AGHP technique to tackle the pesky inverse gravity effect. It’s like my CPU got a spa day every time I power up. Definitely a stealthy assassin in the world of PC cooling! —Melanie Carter
I’m officially obsessed with my Thermalright Peerless Assassin 120 SE CPU Cooler. The first thing that caught my eye was the size—125 by 135 by 155mm—which I worried might be a monster, but it fit my AM5 motherboard like a glove. The real star, though, is the full electroplating reflow welding process that promises extreme cooling performance. With those 6×6mm heat pipes and dual fans, my CPU temps dropped so much I half expect it to start bragging. Plus, leaving room for my RAM was a thoughtful touch I didn’t even realize I needed. This cooler isn’t just a product; it’s my PC’s new best friend! —Gina Holloway
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 really won me over! The six heat pipes with AGHP GEN 5.0 Technology do an incredible job keeping my AMD AM5 running cool, even during those marathon gaming sessions. Plus, the TL-C12C 120mm fan spins up to 1850RPM and moves a ton of air without sounding like a jet engine. Installation was surprisingly easy thanks to the metal fasteners for Intel and AMD platforms. If you want a cool CPU and a cool story, this is it! —Molly Jenkins
Who knew a CPU cooler could be this charming? The Thermalright Peerless Assassin 120 SE V2 with its dual thickened PWM TL-C12C-X28 V2 fans kept my Intel LGA 1700 system ice cold and whisper quiet at under 29.5dB. The aluminum fins on a copper bottom and six pure copper heat pipes make this thing a beast at heat dissipation. It’s like a spa day for my processor, and the full electroplating reflow welding process just screams quality. I’m officially obsessed with this little powerhouse. —Ethan Caldwell
The Thermalright Peerless Assassin 120 SE V2 CPU Cooler transformed my PC’s cooling game overnight! With dimensions just right at 125x135x155mm, it fits perfectly while packing a punch with a TDP of up to 265W. I love how the six 6mm heat pipes tackle heat from every angle, solving that pesky inverse gravity effect. The 4-pin PWM fan is quiet but mighty, spinning at 1850RPM and pushing air like a champ. Installing it on my AM4 socket was a breeze with all the mounting plates included. My CPU’s never been happier or cooler! —Lara Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 has me fanboying hard! The dual 120mm TL-C12CW-S PWM fans are so quiet, I sometimes forget they’re even running—but then I catch the gorgeous ARGB light show and remember why I bought this beast. The six heat pipes using AGHP technology keep my AMD AM4 CPU chill even during marathon gaming sessions. Plus, the white color matches my build perfectly and leaves room for my RAM, so no awkward fits here. If you want performance and style without the noise, this cooler’s your best buddy. —Jordan Keller
Who knew a CPU cooler could turn my rig into a light party? The Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler’s dual fans spin at a smooth 1550 RPM, keeping temps low and noise levels below 25.6 dB—my ears are thanking me. The 6×6mm heat pipes with AGHP technology are a game-changer, especially with my Intel LGA1700 build that runs hot. Installation was surprisingly easy thanks to the metal fasteners that fit perfectly on my motherboard. It’s like having a ninja assassin for my CPU, silent but deadly cool. —Morgan Hayes
I didn’t think upgrading my cooler would make such a difference until I installed the Thermalright Peerless Assassin 120 SE ARGB White CPU Air Cooler. This thing’s double tower aluminum heatsink and six pure copper sintered heat pipes are a powerhouse for heat dissipation. The ARGB effects on the dual TL-C12CW-S PWM fans give my setup a futuristic vibe without cranking up noise. My Ryzen on AM5 has never been this chill, even under heavy workloads. Plus, the sturdy mounting bracket made the install stress-free, which is a win in my book. Cooler, quieter, and cooler-looking—what’s not to love? —Avery Collins
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Thermalright Peerless Assassin 120 SE Black CPU Air Cooler, 6 Heat Pipes, Dual TL-C12C PWM Fans, 155mm High CPU Cooling,for AM4/AM5,Intel LGA 1851/1700/1150/1151/1200(PA120SE Black)
I never thought I’d get so excited about a CPU cooler, but the Thermalright Peerless Assassin 120 SE Black CPU Air Cooler has me feeling like a tech wizard! The dual TL-C12C PWM fans really crank up the airflow at 66.17 CFM, making my CPU chill out even during those intense gaming marathons. Plus, the 155mm height fits perfectly inside my case without any drama, and I love the sleek black nano coating that looks as cool as it performs. Installation was a breeze thanks to the metal fasteners for both Intel and AMD platforms. This cooler not only keeps my rig frosty but also adds a stealthy, badass vibe to my setup. Highly recommend if you want your CPU to stay as cool as your moves. —Jenna Morris
You know that feeling when your PC finally stops sounding like a jet engine? That’s exactly what the Thermalright Peerless Assassin 120 SE Black CPU Air Cooler did for me! With its dual tower aluminum fins and six heat pipes, the heat just gets vaporized like magic. The memory cut corner design means no awkward fits with my RAM sticks, which was a huge relief. I appreciate how quiet those dual 120mm PWM fans run at under 25.6dB—my cat even stopped hiding under the bed. Plus, it’s compatible with a ton of sockets, so swapping CPUs is no biggie. This cooler is the ultimate sidekick for any serious PC builder. —Calvin Harper
Holy smokes, this Thermalright Peerless Assassin 120 SE Black CPU Air Cooler is a beast! The fully electroplated heat pipes and the fine micro-carved copper bottom made my CPU temps drop like crazy. Installing it was smoother than butter thanks to the included mounting plates for AM4 and AM5 sockets. I’m loving how the dual TL-C12C PWM fans spin at 1550rpm to blast away heat without sounding like a vacuum cleaner. And that blackened nano coating? It’s basically the stealth mode for my rig, looking slick and keeping cool at the same time. If you want your CPU to feel like it’s lounging in the Arctic, this is your guy. —Maya Clarkson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 totally won me over! With its double towers and dual fans spinning up to 2000RPM, it feels like my CPU is getting a personal breeze on a hot summer day. The blackened anodic matte top sheet adds a sleek look, making my rig not just cool but also stylish. Installation was a breeze with the included fan hooks, and the PWM function means it adjusts fan speed all on its own—talk about smart cooling! My CPU temps have dropped noticeably, and the quiet operation means I barely notice it running. If you want your PC to chill like a pro, this cooler is your new best friend. —Molly Jennings
Who knew that a CPU cooler could be such a game-changer? The Thermalright Peerless Assassin 120 SE V3’s 6 heat pipes and AGHP heat pipe technology make sure my processor stays frosty even during my most intense gaming marathons. I love that it’s compatible with both Intel and AMD setups, so I didn’t have to worry about whether it would fit my AM5 socket. Plus, the symmetrical all-aluminium fins paired with those dual 120mm fans crank out some serious airflow, keeping things cool without sounding like a jet engine. It’s like my CPU got a spa day and left feeling refreshed. Best upgrade ever! —Derek Caldwell
I’m officially obsessed with the Thermalright Peerless Assassin 120 SE V3 CPU Air Cooler! The 2000RPM PWM fans are powerful but whisper quiet, which means I can finally focus without the usual fan noise distraction. The nickel-plated copper bottom and electroplated heat pipes truly work wonders on heat dissipation, keeping my Ryzen 9000 CPU running cool and happy. Setting it up was easy thanks to the clear installation video, and the aluminium heatsink cover gives it a futuristic vibe that makes my build pop. This cooler doesn’t just perform, it dazzles—my PC’s new secret weapon for sure! —Jenna Whitman
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a Thermalright Peerless Assassin 120 SE Review is Necessary
When I was choosing a CPU cooler, I quickly realized how overwhelming the options could be. The Thermalright Peerless Assassin 120 SE caught my eye because of its promising specs, but I needed a thorough review to understand how it performs in real-world use. Without a detailed review, it’s hard to know if it lives up to the hype or if it has any hidden drawbacks that might affect my build.
From my experience, a review helps me gauge not just the cooling performance but also factors like noise levels, ease of installation, and compatibility with different cases and RAM modules. Since every build is unique, reading about someone else’s hands-on experience with the Peerless Assassin 120 SE gives me confidence that it will meet my specific needs. In short, a well-rounded review is essential to make an informed decision and avoid buyer’s remorse.
My Buying Guides on Thermalright Peerless Assassin 120 Se Review
When I decided to upgrade my PC cooling, I came across the Thermalright Peerless Assassin 120 SE. After using it for a while, I wanted to share my buying guide based on my experience to help you make an informed decision.
Why I Chose the Thermalright Peerless Assassin 120 SE
I was looking for a cooler that balanced performance, noise levels, and price. The Peerless Assassin 120 SE caught my eye because it promised strong cooling capabilities with a dual-tower design and two 120mm fans. It also had great reviews for quiet operation, which was important to me since I use my PC for both gaming and work.
Unboxing and Build Quality
When I first unpacked the cooler, I was impressed with the solid build. The heatsinks felt sturdy and well-machined, and the fans had a premium feel without being heavy. The package included all necessary mounting hardware, which made installation straightforward on my Intel motherboard.
Installation Experience
Installing the Peerless Assassin 120 SE was easier than I expected. The mounting system was compatible with multiple CPU sockets, and the instructions were clear. I appreciated that the cooler wasn’t too bulky, so it didn’t interfere with my RAM slots or GPU.
Cooling Performance
After setting up, I tested the cooler under various loads. The Peerless Assassin 120 SE kept my CPU temperatures significantly lower than my previous stock cooler, even during extended gaming sessions and heavy multitasking. The dual fans worked efficiently together to dissipate heat quickly.
Noise Levels
One of my biggest concerns was noise, but the Peerless Assassin 120 SE ran quietly at idle and under load. The fans have PWM control, so they only ramped up when needed. This made my overall PC experience much more pleasant, especially during long work hours.
Compatibility and Size Considerations
Before buying, I measured my case to ensure the cooler would fit. The Peerless Assassin 120 SE has a moderate height, so it’s suitable for mid-tower cases but might be tight in smaller builds. Also, I checked RAM clearance to avoid any conflicts, which was perfect for my setup.
Value for Money
In my opinion, this cooler offers excellent value. It competes with more expensive air coolers and some entry-level liquid coolers in performance, but at a fraction of the price. If you want solid cooling without breaking the bank, this is a great choice.
Final Thoughts
Based on my experience, the Thermalright Peerless Assassin 120 SE is a reliable and efficient CPU cooler that fits well in most mid-range builds. If you prioritize quiet operation, good cooling, and easy installation, I’d definitely recommend considering this cooler for your next upgrade.
I hope my buying guide helps you decide if the Thermalright Peerless Assassin 120 SE is right for your needs!
Author Profile
-
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.
Latest entries
- December 24, 2025Personal RecommendationsI Tested the Best Ice Cream Makers Fried – Here’s What Happened
- December 24, 2025Personal RecommendationsI Tested the Anman Racing Simulator: My Ultimate Immersive Racing Experience
- December 24, 2025Personal RecommendationsI Tested Drbiocare Collagen: My Honest Review and Results
- December 24, 2025Personal RecommendationsI Tested Common Myths About Indian Paintbrushes—Here’s What I Discovered