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โ๏ธ Cool like a pro, quiet like a whisper.
The Thermalright Assassin X120 Refined SE is a high-performance CPU air cooler featuring 4 heat pipes with advanced AGHP technology, a 120mm PWM fan delivering up to 66.17 CFM airflow at a whisper-quiet โค25.6 dB noise level, and broad compatibility with Intel and AMD sockets. Its durable aluminum heatsink and easy installation kit make it the go-to choice for professionals seeking efficient, silent cooling in medium-sized cases.












| ASIN | B09LHBFPJ6 |
| Air Flow Capacity | 66.17 cfm |
| Best Sellers Rank | #2 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 1,761 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 g |
| Manufacturer | Thermalright |
| Material Type | Aluminium,Aluminum,Metal,Silicone |
| Maximum Rotational Speed | 1550 rpm |
| Model | AX120 Refined SE |
| Noise Level | 25.6 db |
| 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 Count |
| Voltage | 12 volts_of_direct_current |
L**S
Amazing Performance for the Price
Great value for the money! Easy to install, very quiet, and keeps my CPU cool even during gaming. The build quality is excellent, and the performance is outstanding. Highly recommended!
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.
V**O
Keeps my CPU cool B)
Cooler works exactly as described. I mounted it to an AM4 CPU, and it works like a charm! Idling at ~30-40c, and never reaching higher than 80c under load. It looks sleek, its stable enough to lift the whole board by holding the cooler- works great! Also includes extra parts to mount to an Intel CPU, which is great for futureproofing. Great product!
T**M
Excellent Cooler for the $$$
This cooler worked very well on my HTPC with i31200F cpu. (computer is in a cabinet) Lowered "in use" temperatures by 12C! Great unit for the price. Came with all the fixing hardware and was easy to install, oh it comes with thermal paste too; again great cooler for my application.
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.
J**Y
Great value CPU cooler
The only complaint I have about this package is the instructions is entirely in Chinese. Customers. Shouldn't have to look for YouTube videos in finding instructions. With that being said, instructions had pictures that, though small, made it clear what the proper steps were. Aside from no English instructions, I was impressed with how much value I got for $18. My 9-year-old i7 8700 CPU has been hitting close to 100ยฐ with just a little bit of load in the past year. With this new cooler, it is running peak temperatures around 88ยฐ and stress tests. Idle temperatures are down to 40 degrees from the 60s before install. I don't even have to leave my case open anymore. Everything you need is included down to the thermal paste. My overall benchmark scores improved, though my 3D Mark graphics scores went down a little bit, probably due to the GPU would no longer having as much space around it.
M**T
Works very well with 65W CPUs
Got it for my new Ryzen 5 5600, and it kept it about 61 Celsius running Prime95. My room is pretty cool, so you might get a few more degrees, but this cooler should keep similar processors cool easily. It also comes with pretty high quality Thermal paste. More than enough to install with, so you'll have leftover paste you can use if you have to take it off for whatever reason. With it keeping the temperature so low the fan runs at low RPMs and is very quiet.
K**N
Excellent Cooling, Silent Operation, and Great Value!
Outstanding Cooling Performance at a Great Value! I recently installed the Thermalright Assassin X120 Refined SE, and I am thoroughly impressed with its performance, build quality, and overall value. Thermalright has a long history of producing excellent cooling solutions, and this model continues that tradition. Cooling Efficiency The Assassin X120 Refined SE delivers outstanding cooling performance, keeping my CPU temperatures significantly lower even under heavy workloads and gaming sessions. The 4 high-performance heat pipes and direct-touch baseplate ensure efficient heat dissipation, making it a great option for both stock and overclocked processors. Silent Operation One of the standout features of this cooler is its near-silent operation. The 120mm PWM fan runs smoothly and quietly, even when ramping up under load. Compared to other air coolers in this price range, the noise levels are impressively low, making it perfect for quiet PC builds. Build Quality & Design The overall construction is robust, and the all-black aesthetic gives it a premium look that blends well with modern PC builds. The compact design ensures excellent RAM clearance, which is often a concern with larger air coolers. Easy Installation The mounting system is straightforward and secure, making installation a breeze. The included brackets support a wide range of Intel and AMD sockets, ensuring compatibility with most setups. Final Verdict For anyone looking for a budget-friendly, high-performance air cooler, the Thermalright Assassin X120 Refined SE is an absolute steal. It competes with more expensive models while maintaining a quiet operation, solid build quality, and easy installation. Highly recommended!
J**P
VERY STRONG for its Price Range
Even compared to some of the best, this fan is amazing. It gets the job done, and gets it done WELL. CPU temps never exceeded past 60 even with full loads. Relatively quiet, but will keep your parts cool no matter what. Would recommend
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
A**D
Best for AM4 CPUs - Ryzen 5600X
Used for Ryzen 5600x on a MSI Tomahawk motherboard. Older PC Case - Corsair Spec 05. Works like a charm. AAA games temp under 70 deg celcius. Bought for 2999 INR, best value for money at the moment for AM4 CPUs.
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
5 days ago
2 weeks ago