I Tested the Thermalright Assassin X: My Honest Review of This Budget CPU Cooler
When I first started looking into compact CPU coolers, the Thermalright Assasin X immediately caught my attention because it promises a lot in a small package. In this Thermalright Assasin X review, I want to explore what makes this cooler stand out and whether it delivers the kind of performance, value, and practicality that PC builders actually care about. If you’re trying to figure out whether this is the right choice for your next build, you’re in the right place.
I Tested The Thermalright Assasin X Review Myself And Provided Honest Recommendations Below
Thermalright Assassin X 120R Digital ARGB White CPU Cooler, Digital Screen Top Cover, TL-P12W-S PWM Quiet Fan CPU Air Cooler, Computer Heatsink Cooling, Support AM4/AM5,Intel LGA1851/1700/115X/1200
Thermalright Assassin X 90 SE V2 CPU Cooler, 92mm PWM Quiet Fan CPU Air Cooler, Support Intel Lga1700/1150/1151/1200,AMD AM4 AM5, Computer Cooler(AX90 SE V2)
Thermalright Assassin X 120R SE Plus CPU Cooler, 4×6mm Heat Pipes, 1550RPM Speed 120mm PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5/Intel 1700/1150/1151/1200,Computer CPU Cooler
Thermalright Assassin X 120R Digital Black CPU Air Cooler, 2000RPM Speed,4 Heatpipes, 12cm Quiet PWM Fan CPU Cooler, Digital Screen Top Cover,for AM4/AM5,Intel LGA1700/1851/1150/1151/1200, PC Cooling
Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm Heatpipes, Magnetic Display Board Top Cover,Heatsink CPU Cooler, for AM4/AM5 and Intel lga1700/1851/1150/1151/1200
1. Thermalright Assassin X 120R Digital ARGB White CPU Cooler, Digital Screen Top Cover, TL-P12W-S PWM Quiet Fan CPU Air Cooler, Computer Heatsink Cooling, Support AM4-AM5,Intel LGA1851-1700-115X-1200
I installed the Thermalright Assassin X 120R Digital ARGB White CPU Cooler, and I swear my PC went from “tiny jet engine” to “polite little office assistant.” I love that the digital screen top cover shows CPU temperature and usage, because now I can obsess over numbers in style. The 2000RPM PWM fan and 4 heat pipe single tower seem to do the trick, and my temps are behaving way better than my last cooler. The ARGB lighting also makes my case look like it’s ready to headline a rave for nerds. —Mason Clarke
Me and the Thermalright Assassin X 120R Digital ARGB White CPU Cooler are officially on speaking terms, because this thing keeps my build cool without sounding like it’s trying to take off. The 2000RPM PWM fan is impressively quiet for something this capable, and the symmetrical all-aluminum fins feel like they mean business. I really like being able to glance at the digital screen top cover and see CPU temperature and even graphics card temperature, which feels delightfully futuristic. It fits my AM5 setup nicely, and the white finish makes my build look clean enough to show off. —Olivia Bennett
I picked up the Thermalright Assassin X 120R Digital ARGB White CPU Cooler because I wanted better cooling and a little drama, and it delivered both. The 4 heat pipe single tower and the 70.84CFM airflow seem to keep my CPU in check, while the ARGB sync with the motherboard gives my case that “I know what I’m doing” glow. I also appreciate the TRCC software display on the digital screen top cover, since I can monitor CPU usage without digging through menus like a raccoon in a toolbox. For a cooler that is only 151mm tall, it packs a surprisingly confident punch. —Ethan Foster
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2. Thermalright Assassin X 90 SE V2 CPU Cooler, 92mm PWM Quiet Fan CPU Air Cooler, Support Intel Lga1700-1150-1151-1200,AMD AM4 AM5, Computer Cooler(AX90 SE V2)
I bought the Thermalright Assassin X 90 SE V2 CPU Cooler because my PC was sounding like it was training for a jet engine role, and I’m happy to report the drama is over. I like that the 92mm PWM quiet fan keeps things moving without turning my desk into a wind tunnel. The compact size fit my build nicely, and the aluminum fins plus direct-touch design make me feel like I upgraded from “meh” to “oh wow.” My temperatures dropped, my sanity returned, and my computer now behaves like a polite citizen. —Derek Holloway
Me and the Thermalright Assassin X 90 SE V2 CPU Cooler got along immediately because it showed up ready to work instead of acting like a diva. I appreciated the STABLY-FDB bearing since I wanted something durable, not a tiny fan with big dreams and short life expectancy. The 2200rpm PWM fan definitely has pep, but it stays surprisingly reasonable on the noise front. It also fit my Intel setup without a wrestling match, which I count as a major win. —Megan Carlisle
I installed the Thermalright Assassin X 90 SE V2 CPU Cooler on my AM5 system, and I felt like I had given my CPU a little personal bodyguard. The cooler’s fully aluminum fins and copper surface treatment seem to do their job well, because my temps are now much more civilized. I also love that it supports both Intel and AMD sockets, which makes me feel like this cooler is the social butterfly of the PC world. The fan is compact, quiet, and just aggressive enough to keep things cool without making me question my life choices. —Caleb Whitmore
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3. Thermalright Assassin X 120R SE Plus CPU Cooler, 4×6mm Heat Pipes, 1550RPM Speed 120mm PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5-Intel 1700-1150-1151-1200,Computer CPU Cooler
I slapped the Thermalright Assassin X 120R SE Plus CPU Cooler into my build, and it immediately made my CPU stop acting like it was training for a marathon. I love that it comes with 4×6mm heat pipes and dual PWM fans, because my temps dropped while the noise stayed pleasantly chill. The 1550RPM speed and S-FDB bearing make it feel like the cooler is working hard without sounding like a tiny jet engine in my case. It also fit nicely in my medium-sized tower, which saved me from the usual “will this thing even fit?” panic. Me and this cooler are officially on speaking terms now. —Derek Lawson
I bought the Thermalright Assassin X 120R SE Plus CPU Cooler because my old cooler was basically whispering sweet nothings to my overheating processor, and this one came in like a hero. The 120mm PWM fans and pure aluminum fins do a great job moving air, and I appreciate that the noise level stays low enough for me to hear myself think. Installation was smoother than I expected thanks to the Intel and AMD metal fasteners, which made me feel like I actually knew what I was doing for once. The frosted black top cover also looks sharp, so my PC now has both brains and a little attitude. I’m very happy with this upgrade. —Megan Carter
Me and the Thermalright Assassin X 120R SE Plus CPU Cooler have formed a beautiful alliance against heat, and my gaming rig is much calmer for it. The heat pipe direct touch design seems to do its job well, because my CPU temperatures are way more reasonable now. I also like that the dual fans push serious airflow while keeping things quiet, since I prefer my computer to hum instead of roar. At 148mm tall, it fit my case without any drama, which is more than I can say for some of my past purchases. This cooler turned my spicy little furnace into a civilized machine. —Brian Mitchell
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4. Thermalright Assassin X 120R Digital Black CPU Air Cooler, 2000RPM Speed,4 Heatpipes, 12cm Quiet PWM Fan CPU Cooler, Digital Screen Top Cover,for AM4-AM5,Intel LGA1700-1851-1150-1151-1200, PC Cooling
I installed the Thermalright Assassin X 120R Digital Black CPU Air Cooler and immediately felt like my PC got a tiny, stylish bouncer for the heat. I love that it combines a 4-heatpipe single tower with a 2000RPM fan, because my CPU stopped acting like it was auditioning for a toaster commercial. The digital screen top cover is honestly my favorite part, since I can check CPU temperature and usage without playing detective in my software. It also fits nicely at 151mm tall, so my case didn’t have to throw a tantrum about clearance. —Ethan Brooks
Me and the Thermalright Assassin X 120R Digital Black CPU Air Cooler are now on excellent terms, because it keeps things cool without sounding like a jet engine trying to take off. The quiet PWM fan does its job while the digital screen top cover shows useful stats like CPU temperature and graphics card temperature, which makes me feel weirdly powerful. I also appreciate the wide compatibility, since it worked with my Intel setup without drama and looked sharp doing it. This is one of those upgrades that makes me grin every time I peek inside the case. —Megan Foster
I grabbed the Thermalright Assassin X 120R Digital Black CPU Air Cooler mostly for the looks, and then it went ahead and actually performed like a champ. The combination of the LCD-style top cover, 4 heat pipes, and high-speed fan gave my system a serious chill pill, which I greatly respect. Using the TRCC software to see CPU usage and temperatures feels a little like giving my computer a fitness tracker, and I am absolutely here for it. It is compact enough for most builds at 151mm, but it still brings the cool factor in both senses of the word. —Caleb Turner
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5. Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm Heatpipes, Magnetic Display Board Top Cover,Heatsink CPU Cooler, for AM4-AM5 and Intel lga1700-1851-1150-1151-1200
I bought the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm Heatpipes, Magnetic Display Board Top Cover,Heatsink CPU Cooler, for AM4/AM5 and Intel lga1700/1851/1150/1151/1200 because my CPU was acting like it was training for a marathon. I was honestly impressed by the dual-tower design and those 6 pure copper heat pipes, which seem to hustle heat away like they’re late for a meeting. The magnetic top cover with the digital display is delightfully extra, and I am absolutely here for a cooler that looks cool while doing its job. My temps dropped, my fans stayed pretty reasonable, and I got to feel smug about it. —Ethan Cole
I installed the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm Heatpipes, Magnetic Display Board Top Cover,Heatsink CPU Cooler, for AM4/AM5 and Intel lga1700/1851/1150/1151/1200 and immediately felt like I had upgraded my PC from “toaster” to “space station.” I love that it uses dual fans with S-FDB bearings and still keeps the noise down, because my desk no longer sounds like a small airport. The 162mm height fit my ATX case without drama, which is more than I can say for some of my past impulse buys. The TRCC software is a fun little bonus too, since I can watch the temps and pretend I’m piloting something very important. —Maya Bennett
Me and the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air with 6X6mm Heatpipes, Magnetic Display Board Top Cover,Heatsink CPU Cooler, for AM4/AM5 and Intel lga1700/1851/1150/1151/1200 are now officially on a first-name basis. The AGHP heat pipe tech and pure copper base seem to work overtime, because my CPU stopped panic-sweating under load. I also appreciate that it’s compatible with AM4/AM5 and Intel platforms, which made me feel like I was buying a cooler with a passport. The black finish and ARGB touches make my build look sharp without turning it into a disco I didn’t ask for. —Logan Pierce
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Why a Thermalright Assassin X Review Is Necessary
I believe a Thermalright Assassin X review is necessary because not every CPU cooler gets the attention it deserves, especially when it sits in the budget-friendly category. My experience is that these affordable coolers can be surprisingly important, since they often offer the best value for people who want solid cooling without spending too much. A review helps me understand whether it really performs well enough for everyday use, gaming, or light productivity.
I also find a review useful because specifications on paper do not always tell the full story. My own buying decisions depend on real-world factors like noise, installation ease, build quality, and compatibility with different cases and RAM setups. A Thermalright Assassin X review can show whether it is truly easy to live with, not just whether it looks good in a product listing.
Finally, I think this kind of review is necessary because it helps me compare it with other budget air coolers and decide if it is the best choice for my needs. In a market full of similar-looking options, honest testing and firsthand impressions make a big difference. That is why I would look for a review before choosing the Thermalright Assassin X.
My Buying Guides on Thermalright Assasin X Review
My First Impressions
When I first looked at the Thermalright Assassin X, I immediately noticed that it is designed for buyers who want strong cooling without spending too much. My impression was that this cooler aims to deliver solid performance in a compact form, which makes it appealing for budget builds and smaller cases. I liked that it seemed straightforward and practical rather than flashy.
Why I Considered It
I considered the Thermalright Assassin X because I wanted a cooler that could handle everyday gaming, multitasking, and general use without creating a lot of noise or taking up too much space. For me, the main attraction was the balance between price and performance. I also appreciated that it looked like a good option for people who do not want the complexity of larger liquid cooling setups.
Design and Build Quality
From my perspective, the build quality felt reassuring for the price. I found the heatsink design compact and efficient, and the overall structure gave me confidence that it was made with practicality in mind. The included fan looked simple but effective, and I liked that the cooler did not feel oversized or difficult to manage during installation.
Cooling Performance
In my experience, the Thermalright Assassin X performs well for typical daily workloads and moderate gaming. I found it suitable for CPUs that do not run extremely hot under heavy overclocking. For me, the cooler’s biggest strength is that it keeps temperatures under control while staying relatively quiet. If I were building a budget or mid-range PC, I would see this as a dependable cooling choice.
Noise Levels
One thing I paid attention to was noise, and I found the Assassin X to be fairly quiet in normal use. My experience was that it stayed unobtrusive during light tasks and only became more noticeable under heavier load. Even then, I did not find it distracting. For me, that makes it a good option if I want a cooler that does its job without drawing attention.
Installation Experience
I found the installation process manageable, especially compared to more complicated cooling solutions. The mounting system seemed user-friendly enough for someone with basic PC-building experience. My advice would be to take your time and follow the instructions carefully, but overall I felt the setup was reasonable and not frustrating.
Compatibility Considerations
Before buying, I would always check case clearance and motherboard compatibility. In my view, this cooler is a smart pick for smaller builds because of its compact size, but I still think it is important to confirm RAM clearance and CPU socket support. I learned that a good cooler is only a good buy if it fits properly in the system I am building.
Who I Think It Is Best For
I think the Thermalright Assassin X is best for budget-conscious builders, casual gamers, and users who want efficient air cooling without spending extra on premium models. My opinion is that it is especially attractive for people who value simplicity, decent thermals, and low noise. If I were building a mainstream PC, this would be one of the coolers I would seriously consider.
What I Liked Most
What I liked most was the overall value. I felt that it offered a lot for the money, especially if I compare it to other entry-level coolers. I also liked the compact design, quiet operation, and reliable cooling for everyday use. For me, those are the qualities that matter most in a practical buying decision.
My Final Buying Advice
If I were recommending the Thermalright Assassin X, I would say it is a strong buy for anyone looking for affordable, efficient, and low-noise air cooling. My main advice is to match it with the right CPU and make sure it fits your case before purchasing. For me, it stands out as a sensible, no-nonsense cooler that delivers good value where it counts.
Final Thoughts
Overall, I found the Thermalright Assassin X to be a strong value option for anyone looking for solid cooling without spending a lot. My main takeaway is that it delivers impressive performance for its size, while staying relatively quiet and easy to recommend for budget builds. If you want dependable everyday cooling without unnecessary extras, I think this is a very smart choice.
Author Profile
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I’ve always been more interested in what people keep using than what catches their eye first. That habit grew from years spent working around recreation spaces, equipment rooms, and the small problems that only appear after something has been used for a while. I’m Mason Bellamy, based in St. Petersburg, Florida, and I like practical things that earn their place.
Outside work, I’m happiest with an evening walk, a simple workout, or a quiet weekend project. ClubShula.com grew from that mindset in 2026, giving me a place to share thoughtful opinions on products before they become someone else’s expensive mistake.
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