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❄️ Stay Cool, Stay Ahead — The Assassin of CPU Heat!
The Thermalright Assassin X120 Refined SE is a high-performance CPU air cooler featuring 4 advanced heat pipes with AGHP technology, a whisper-quiet 120mm PWM fan delivering up to 66.17 CFM airflow, and broad compatibility with Intel and AMD sockets. Its durable aluminum heatsink and smart mounting system ensure efficient cooling and easy installation, making it the go-to choice for professionals seeking reliable, silent, and stylish thermal management.












| ASIN | B09LHBFPJ6 |
| Air Flow Capacity | 66.17 Cubic Feet Per Minute |
| Best Sellers Rank | #3 in Computer CPU Cooling Fans |
| Brand | Thermalright |
| Brand Name | Thermalright |
| Compatible Devices | Desktop |
| Cooling Method | Heat pipe and fan-based |
| Customer Reviews | 4.7 out of 5 stars 1,661 Reviews |
| Included Components | cpu cooler |
| Item Dimensions L x W x H | 4.72"L x 2.8"W x 5.83"H |
| Item Weight | 644 Grams |
| Manufacturer | Thermalright |
| Material Type | Aluminium,Aluminum,Metal,Silicone |
| Maximum Rotational Speed | 1550 RPM |
| Model | AX120 Refined SE |
| Noise Level | 25.6 Decibels |
| Number of Items | 1 |
| Part Number | AX120 R SE |
| Power Connector Type | 4-Pin |
| Product Dimensions | 4.72"L x 2.8"W x 5.83"H |
| UPC | 717378790685 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts (DC) |
D**.
Worked so well I didn't need it anymore :)
I had an old i5-2500K that I just couldn't bring myself to get rid of, and decided that it was either time to let it go or get it to run at a useful speed. I was running overclocked at 4.4Ghz on the stock Intel cooler and getting temps of around 81c under full load, so to go further I needed better cooling., This looked like a great budget option. The result was a 30c drop in core temps while running a stress test! Averages dropped to 51c and max observed temp was only 54C! Awesome! With that kind of cooling performance I was ready to let the horses run on that old processor, and run it did! Right up until the 12-year-old Gigabyte z68 motherboard decided that 4.9GHz and 1.385v was just too much for its old components and beta UEFI. It died a good death right there on the dining room table... a bittersweet end to a legendary combo. But that no fault of the cooler. Performance was beyond expectations. It was well-packaged, easy to install, well-made, had everything I needed including thermal paste (saved me a trip to the basement), and man was it QUIET. Excellent cooler on-par with another brand I just installed that cost twice as much. I'm not sure whether I am going to hang onto it or not since I just ordered a replacement CPU that comes with a stock cooler (budget build - stock is good enough), but for under twenty bucks I wouldn't mind keeping this in the parts bin in case one of my machines needs a replacement.
F**K
Good Budget CPU Cooler
This Thermalright Assassin X120 Refined SE CPU cooler is a solid option for the price. It feels well-made, the 120mm PWM fan runs smoothly, and the 4 heat pipes help provide good cooling for everyday PC use. It’s a nice upgrade over a basic stock cooler and works with a wide range of AMD and Intel sockets.
M**Y
Chill Force One
Mister Twiggly is an ardent gamer, and his home-built gaming rig, while ancient, is capable. However, the stock cooler was getting a little noisy at times, so it was time for a replacement. Enter the Thermalright Assassin X120 Refined SE. Installation was fairly straightforward, though he had to pull out the motherboard to attach the backplate. From then on it was plain sailing. Testing showed that the CPU temperature is 10-15°C cooler at rest and 20-25°C cooler under load than the stock cooler, which he is holding in his right paw. Moreover, fan noise is barely noticeable - hardly surprising, since the fan is huge and runs far more slowly than its predecessor to cool that monster heatsink. This is music to Mister Twiggly's fluffy but sensitive ears. A very good solution at a modest price. Mister Twiggly says "Hurrah for Thermalright!", and gives this product his highest recommendation.
J**R
No frills, excellent quality cooling. Don't forget air flow and thermal paste.
heavy and well built. don't even try to put this on with the motherboard on it's end, lay the sucker down. it is quite heavy. Like I said well built, more than enough for my needs. Good for most CPUs, maybe not for the big suckers and more modern CPUs. I have an older setup so this works perfectly, almost overkill really. No frills, just excellent cooling. Don't forget the pea sized amount of thermal paste, very critical. the cooler is made with main stacks of copper with aluminum (?) grills. Fan is quiet and runs just fine, before installing ensure you have the fan pointing towards the exit air flow, because if you're pointing it towards an incoming fan you'll lose out on alot of the efficiency and could create hot pockets perhaps. So THINK before you install. these fans go only one way. NO RGB lighting on this, if you just need cooling and don't need a disco lighting setup. LOL.
B**T
Thermaltake my money
Another awesome unit from thermaltake for cheap. Keeps my r5-3600 super cool under heavy gaming. Easy to install and very secure. Just make sure you follow the included instructions to make sure it seats properly. Also fairly quiet
J**L
Cheap mounting, Amazing cooling
The mounting hardware was really cheap feeling and easy to break. I broke one of the mounting screws just by turning it regularly. I went ahead and just installed it with 3 out of 4 threads functional. I have to say, it works quite well for a 65 watt CPU. Went from thermal throttling during normal use to staying silent and never breaking 62 degrees. If you buy this, make sure and use two fingers worth of torque when installing the mounting screws.
S**Z
Amazing price for the cooling capacity
I am not a gamer, or CAD user. Because my old MSI 760GM P34 FX AM3+ (MB) motherboard was dying (NIC Port dead, intermittent USB port functioning) I decided to rebuild my computer "from the ground up" (I did keep several SSD's ). My build is unique in that it is a negative pressure build but the case is very well sealed. I cut out the left panel and attached a big, washable filter (see pic), sealed any holes and, put filters on any larger cutouts in the case. I have a 2 fans on the right side of the case to pull cool air through the case, one inline with the drive bays, and another just behind the CPU (incase there is some heat from the CPU on the bottom of the MB. There is another fan on the back, inline with the inside CPU cooler to help the cooler do its job. In addition to providing clean fresh air for the guts, I get little to no dust build on any components. The cooler I had for the old build (FX 8320 8-Core BE CPU) on the above mentioned MB, was awesome (CRYORIG H7 Tower Cooler), but it would not fit an AM4 CPU's, my choice for the new build, as AM3+ was fairly dead in terms of current CPU sockets. After extensive research, I landed on the Gigabyte B550 Gaming X V2 MB, and an AMD Ryzen 3 4100 4-Core, 8-Thread Unlocked Processor. The CPU included a Wraith Stealth Cooler. I employed Silicon Power DDR4 RAM 16GB (2x8GB) Turbine 3200MHz (PC4 25600) memory. I've never been happy with stock coolers. They JUST get the job done, often with VERY noisy fans. For this reason I bypassed the stock Wraith CPU cooler in favor of this one. As noted above, I am not a gamer, or CAD user, so did not even contemplate a liquid cooling system. Instead I relied on this Thermalright Assassin X120. I am no fan of RGB because I prefer all power used goes to do the tasks. I don't need a bunch of colored LED's lighting up the room, wasting juice and making heat. This fan has NO LED's! I must say, with the MUCH lower power demand and heat generation of the new CPU (and concomitant reduced heat generation), this cooler is amazing. I can't hear it ramp up based on CPU demand. With custom CPU Fan settings in the Gigabyte Control Center which aims for 100% CPU fan speed at 50C. Helped by the case fan powered to about 80% inline with the inside Thermalright fan, I ran the "Torture Test" in Prime95 to test my CPU, the CPU never exceeded 71C, well below the CPU's 95°C Tjmax. With the Thermalright CPU Fan running @100% during the test, I could barely hear the fan. You can spend a ton more on a CPU cooler. If you game hard or super engage the CPU, another cooler might be warranted. For me, this cooler hit the spot!
L**.
good fan, easy to install
My liquid cooling kit for my ibuypower machine failed and machine keep shutting down after 60s. after monitoring the temperature i found the cpu temperature spike to beyond 90 and shut it down. Quickly look online for a replacement and found this thermalright assessin x120 for a good price. I have the SUS TUF X470-PLUS GAMING board. Removal of the water cooling kit was a bit harder but installing the thermalright assassin as easy and the machine was maintaing between 40 to 60 celcius without the fan noise is pretty low so it serve it job. has been on the setup for a few months and so far no issues yet.
S**N
Works well
Fitting this tower requires access to the back of the motherboard so if you are upgrading an existing computer, you will need to remove the motherboard from the case. Apart from that fitting it was very easy and it made an immediate huge difference to the temperature of the CPU over the stock CPU cooler. It's very quiet. Much quieter than the standard Intel CPU cooler. It is very tall and I can't put the side cover back on the case, this doesn't bother me but it is worth looking at the height and the clearance in your own case
P**.
Value for money
AMD Setup was easy, quiet, have seen the temp drop on heavy load which is good for CPU life.
K**U
Its very good
The product itself is good i use i5 12f But i received open and damaged box .
A**R
good stuff
air ventilation
K**K
Amazing cooler
Best value CPU cooler I've ever used, instantly dropped my temps by 20C+ from stock AMD cooler to this. Such an easy upgrade as well, setup will be easy if you've messed with the inside of computers before.
Trustpilot
2 weeks ago
4 days ago