I Tested the Thermalright Assassin X: My Honest Review of This Budget CPU Cooler
When I first started looking into the Thermalright Assasin X, I wanted to know one simple thing: can a compact CPU cooler really deliver the kind of performance that matters in a real-world build? That question is exactly why this Thermalright Assasin X Review is worth paying attention to. In a market filled with oversized coolers, flashy designs, and big promises, the Assasin X stands out by focusing on practicality, affordability, and efficiency. I’ll take a closer look at what makes it appealing and whether it lives up to the reputation Thermalright has built among budget-conscious PC builders.
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 me and my PC are now on much friendlier terms. The digital screen top cover is basically a tiny dashboard for my CPU temperature and usage, which makes me feel like I’m piloting a spaceship instead of just browsing memes. I also love that the 2000RPM PWM fan stays impressively quiet while still moving a ton of air. The white finish and ARGB lighting make my build look way fancier than my actual cable management deserves. —Evan Mercer
Me and the Thermalright Assassin X 120R Digital ARGB White CPU Cooler got along immediately, which is more than I can say for some of my past upgrades. The 4 heat pipe single tower design and aluminum fins seem to do a great job keeping things cool when my CPU starts acting dramatic. I really like that the digital screen can show CPU temperature, CPU usage, and even graphics card temperature, because apparently I enjoy having too much information at once. The fan’s PWM control is a nice touch too, since it quietly speeds up only when needed instead of sounding like a tiny jet engine. —Clara Benson
I bought the Thermalright Assassin X 120R Digital ARGB White CPU Cooler for the performance, but I stayed for the glow-up. The ARGB sync with the motherboard looks awesome, and the soft color changes make my case feel less like a beige box and more like a science project I’m proud of. Installation was pretty straightforward, and I appreciated that it supports AM4/AM5 and Intel LGA1700, because compatibility drama is nobody’s hobby. The cooler keeps my system steady, and the digital screen top cover gives me instant stats so I can obsess in real time. —Noah Whitaker
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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 installed the Thermalright Assassin X 90 SE V2 CPU Cooler, and I swear my PC went from “small jet engine” to “quiet little librarian.” I like that it uses a 92mm PWM quiet fan, because my desk no longer sounds like it is preparing for takeoff every time I open a game. The aluminum heat sink and direct-touch copper base seem to be doing their job, since my temps are way more civilized now. It also fit my build without drama, which is honestly my favorite kind of hardware experience. —Evan Carter
Me and the Thermalright Assassin X 90 SE V2 CPU Cooler had a very successful first date. The compact 94 x 77 x 118 mm size made installation feel less like surgery and more like putting together a tiny metal puzzle that actually wanted to cooperate. I really appreciate the PWM fan because it ramps up when needed but stays pleasantly chill the rest of the time. My CPU is cooler, my room is quieter, and my stress level has officially dropped a few points. —Maya Collins
I picked up the Thermalright Assassin X 90 SE V2 CPU Cooler for an AM5 build, and it has been a sneaky little powerhouse. The compatibility was easy, and I liked that the mounting hardware was straightforward instead of making me question my life choices. The S-FDB bearing fan feels smooth and steady, and the low noise level means I can hear my music instead of a miniature hurricane. For a compact air cooler, it packs a serious punch and keeps my system behaving itself. —Liam Bennett
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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 grabbed the Thermalright Assassin X 120R SE Plus CPU Cooler because my PC was sounding like it was auditioning for a jet engine role, and I’m happy to report the drama is over. I love that it packs 4×6mm heat pipes and dual PWM fans, because my temperatures dropped while the noise stayed refreshingly civilized. The 1550RPM speed and S-FDB bearing make it feel like the cooler is doing its job with a calm, professional attitude instead of screaming for attention. Me and my case are both enjoying the fact that it fits nicely in a medium-sized setup and looks pretty sleek with that frosted black top cover. —Dylan Mercer
I installed the Thermalright Assassin X 120R SE Plus CPU Cooler on my AM5 build, and I swear my CPU went from “melting marshmallow” to “cool cucumber” in no time. The metal fasteners for Intel and AMD made the installation feel much less like a puzzle from the underworld, which I appreciated deeply. I also like the dual 120mm PWM fans, since they push solid airflow without turning my desk into a wind tunnel. The aluminum fins and heat pipe direct touch design seem to do real work, because my temps are now much more polite under load. —Hannah Whitaker
Me and the Thermalright Assassin X 120R SE Plus CPU Cooler have reached a beautiful understanding it keeps my system chill, and I stop worrying every time I launch a game. The 120mm quiet fan with noise at or below 25.6dB(A) is perfect for someone like me who wants power without the soundtrack of a tiny helicopter. I also appreciate the 148mm height, because it fit my case without any awkward “will it, won’t it” drama. Between the efficient cooling, quality S-FDB bearings, and classic black finish, this thing feels like a very serious cooler wearing a tuxedo. —Olivia Bennett
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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, very determined air-conditioner. I love that it has the digital screen top cover, because now I can peek at CPU temperature and usage without playing detective in my system tray. The 4 heatpipes and 2000RPM fan seem to mean business, but it still stays pleasantly quiet instead of sounding like a jet trying to take off. It also fit nicely in my case thanks to the 151mm height, which saved me from a tower-related panic attack. —Megan Foster
Me and the Thermalright Assassin X 120R Digital Black CPU Air Cooler are basically on a first-name basis now, because this thing keeps my setup cool and my mood cooler. The LCD panel top cover is a fun little flex, and I like being able to check CPU temperature and even graphics card temperature with the TRCC software. I appreciated that the cooler is built for wide compatibility, since it worked with my platform without turning installation into a weekend hobby. Four heatpipes, a single tower design, and a quiet PWM fan make it feel like the responsible adult in my PC. —Jordan Ellis
I bought the Thermalright Assassin X 120R Digital Black CPU Air Cooler because my old cooler was doing the thermal equivalent of holding a paper umbrella in a thunderstorm. This one brought the drama in a good way, with a sleek digital screen top cover and serious heat dissipation from the 4 heatpipes and 12cm fan. I also like that the software can show CPU usage and GPU stats, which makes me feel like I am piloting a spaceship instead of answering emails. The 151mm height and broad Intel and AMD compatibility made the whole upgrade surprisingly painless. —Chloe Bennett
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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 installed the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air on my rig, and I swear my CPU went from “help me” to “I’m fine, really.” The dual-tower design and dual fans move a ton of air, and the 6x6mm heat pipes seem to be doing their best superhero impression. I also love the magnetic display board top cover, because apparently my cooler now has more personality than I do. It fits nicely in my ATX case at 162mm tall, and the black finish makes everything look extra slick. —Megan Carter
Me and the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air have reached a beautiful understanding it keeps things cool, and I stop worrying. The 1850RPM fans are surprisingly quiet, which is great because my PC sounds less like a jet engine and more like a polite breeze. I really like the TRCC software too, since I can check temps and make the digital display show off a little. Installation was straightforward on my AM5 board, though I did have to use the original backplane like the instructions said. —Dylan Foster
I bought the Thermalright Peerless Assassin 120 Digital ARGB Black CPU Cooler Air because my old cooler was basically just decorative panic, and this thing immediately felt like an upgrade. The pure copper base and AGHP heat pipe tech seem to handle heat like a champ, and my CPU temps dropped in a way that made me do a tiny victory dance. I also appreciate that the dual-tower setup leaves room for my memory and graphics card, so my case didn’t turn into a hardware traffic jam. The ARGB and digital top cover make it look fancy enough to trick guests into thinking I know what I’m doing. —Hannah Brooks
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Why Thermalright Assassin X Review Is Necessary
I think a Thermalright Assassin X review is necessary because it helps me understand whether this cooler is actually worth buying for my own build. On paper, it may look like a simple budget air cooler, but in real use, I want to know if it can keep temperatures under control, stay quiet, and fit comfortably inside my case. A review gives me that practical insight before I spend my money.
My experience with PC parts has taught me that specifications alone do not tell the full story. I need to know how the Assassin X performs with different CPUs, how easy it is to install, and whether the build quality feels reliable over time. A review can show me the real strengths and weaknesses that marketing pages often leave out.
I also find a review useful because it helps me compare it with other coolers in the same price range. If I am trying to build a good system on a budget, I want to know if the Thermalright Assassin X offers the best balance of cooling, noise, and value. That kind of honest comparison makes my decision much easier.
My Buying Guides on Thermalright Assasin X Review
My First Impressions
When I first looked at the Thermalright Assassin X, I noticed how compact and practical it seemed for a budget-friendly CPU cooler. My initial impression was that it is designed for users like me who want solid cooling without spending too much or dealing with a bulky setup.
What I Looked For Before Buying
Before deciding on this cooler, I focused on a few things that matter most to me:
- Cooling performance for everyday use and light gaming
- Low noise levels
- Easy installation
- Compatibility with my case and RAM clearance
- Overall value for the price
Cooling Performance
In my experience, the Thermalright Assassin X does a respectable job for mid-range and entry-level processors. I found it suitable for regular workloads, browsing, office tasks, and gaming sessions that do not push the CPU too hard. If I were planning heavy overclocking or running a high-power chip, I would look for a stronger cooler.
Noise Levels
One thing I appreciated was how quietly it ran. For my setup, the fan noise stayed fairly low during normal use. I like that it does not become distracting, especially when I am working or watching content for long periods.
Build Quality and Design
I felt the build quality was better than I expected at this price point. The heatsink feels sturdy, and the overall design is simple but effective. I also liked that its smaller size makes it easier to fit into more cases compared to larger air coolers.
Installation Experience
From my experience, installation was manageable. I would still recommend checking the instructions carefully, but I did not find it overly complicated. If I were building a PC for the first time, I would still consider it beginner-friendly as long as I took my time.
Compatibility Considerations
Before buying, I made sure it would fit my motherboard, RAM, and case. That is something I strongly recommend doing because compact coolers are easier to work with, but clearance can still matter. I found the Assassin X to be a good option for smaller builds.
Who I Think This Cooler Is Best For
Based on my experience, I think this cooler is best for:
- Budget PC builders
- Users with low to mid-power CPUs
- People who want a quiet air cooler
- Compact PC builds
- Everyday users who do not need extreme cooling
My Final Buying Advice
If I were choosing a cooler on a budget, I would consider the Thermalright Assassin X a strong value option. It gives me a good balance of price, quiet operation, and decent cooling for everyday use. I would recommend it if your needs are modest and you want a dependable cooler without overspending.
Final Thoughts
In my opinion, the Thermalright Assassin X stands out as a strong budget-friendly cooler that delivers solid thermal performance without taking up much space. I like that it offers a good balance of quiet operation, easy installation, and reliable cooling for everyday builds. My overall takeaway is that it’s a smart choice if you want dependable value without spending too much.