Thermalright Peerless Assassin 120 SE ARGB CPU Air Cooler,6 Heat Pipes CPU Cooler, Dual TL-C12C-S PWM Fan, Aluminium Heatsink Cover,AGHP Technology,for AMD AM4/AM5/Intel LGA1700/115X/1155/1200/1851
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Availability:
In Stock.
Arrives
Thursday, Jun 4
Style: PA120 SE ARGB
Features
- [Brand Overview] Thermalright is a Taiwan brand with more than 20 years of development. It has a certain popularity in the domestic and foreign markets and has a pivotal influence in the player market. We have been focusing on the research and development of computer accessories. R & D product lines include: CPU air-cooled radiator, case fan, thermal silicone pad, thermal silicone grease, CPU fan controller, anti falling off mounting bracket, support mounting bracket and other commodities
- [Product specification] Thermalright PA120 SE ARGB; CPU Cooler dimensions: 125(L)x135(W)x155(H)mm (4.92x5.31x6.1 inch); heat sink material: aluminum, CPU cooler is equipped with metal fasteners of Intel & AMD platform to achieve better installation, double tower cooling is stronger
- 2 PWM FansModel:TL-C12C-S; Colorful and gorgeous ARGB light effects; Standard size PWM fan:120x120x25mm (4.72x4.72x0.98 inches); Product weight:0.97kg(2.1lb); fan speed (RPM):1500rpm10%; power port: 4pin; Voltage:12V; Air flow:66.17CFM(MAX); Noise Level25.6dB(A), leave room for memory-chip(RAM), so that installation of ice cooler cpu is unrestricted
- AGHP technique66mm heat pipes apply AGHP technique, Solve the Inverse gravity effect caused by vertical / horizontal orientation, cpu cooler TDP is 120 to 245W. 6 pure copper sintered heat pipes & PWM fan & Pure copper base&Full electroplating reflow welding process, When CPU cooler works, match with ultra-silent airflow fans, aim to extreme CPU cooling performance
- CompatibilityThe CPU cooler Socket supports: Intel:115X/1200/1700/17XX AMD:AM4;AM5; For different CPU socket platforms, corresponding mounting plate or fastener parts are provided
Product Dimensions: 4.92"L x 5.31"W x 6.1"H
Brand: Thermalright
Power Connector Type: 4-Pin
Voltage: 12 Volts (DC)
Wattage: 7 watts
Cooling Method: Air
Compatible Devices: Desktop
Noise Level: 25 Decibels
Material: Aluminum
Maximum Rotational Speed: 1550 RPM
Power Connector Type: 4-Pin
Voltage: 12 Volts (DC)
Wattage: 7 watts
Cooling Method: Air
Compatible Devices: Desktop
Noise Level: 25 Decibels
Maximum Rotational Speed: 1550 RPM
Air Flow Capacity: 66.17 Cubic Feet Per Minute
Item Dimensions L x W x H: 4.92"L x 5.31"W x 6.1"H
Material Type: Aluminum
Brand Name: Thermalright
Manufacturer: THERMALRIGHT
Item Weight: 2 Pounds
Unit Count: 1.0 Count
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Jun 4
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: PA120 SE ARGB
I recently installed the Peerless Assassin 120 SE ARGB in my build and I’m extremely pleased with the results. A few highlight points: With 6 heat-pipes and a dual-tower heatsink, this cooler handles high thermal loads surprisingly well for the price. It supports both Intel (LGA 115x/1200/1700) and AMD (AM4/AM5) sockets out of the box — easy to integrate into different systems. It is impressively quiet. According to the official spec the noise level tops out at ~25.6 dBA, which means minimal fan noise in daily use. The ARGB lighting is a nice bonus for anyone who cares about aesthetics, and it does not seem to compromise performance. My experience in use: Installation was straightforward (with the back-plate and mounting brackets included). After setup I noticed lower idle and load temperatures vs the stock cooler, and the system remained quiet even under sustained load. It also had good clearance around my RAM slots and GPU (always good to check fit in your case). In terms of value vs performance, this cooler really stands out. Minor note: You’ll want to check your case’s CPU cooler clearance, the heatsink is ~155mm tall. Also, if you’re doing extreme overclocking or very high-end CPUs at 300 W+ loads, this may not quite match the very top-tier 280/360mm liquid-coolers, but for most builds it gives excellent bang for the buck. Bottom line: If you’re looking for a high-performance air cooler that doesn’t break the bank, the Peerless Assassin 120 SE ARGB is hard to beat. Highly recommended.
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Reviewed in the United States on October 20, 2025 by pbourdon
Style: PA120 SE ARGB
Installed this cooler in my PC, and it’s honestly one of the best air coolers I’ve used. Temps dropped significantly compared to my old one, and it’s super quiet even under load. Installation was straightforward, and the ARGB lighting looks clean inside the case. Build quality feels premium, and the fans are smooth and silent. For its price, it’s an amazing value for keeping your CPU cool. It works perfectly as it is compatible with my R9 5900 XT. It has lasted around 2 years since I bought it and looks nice!
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Reviewed in the United States on November 14, 2025 by Felipe Velandia
Style: PA120 SE ARGB
I have purchased 2 of these so far for different builds. They work and look great. Great build quality and good thermals. Granted, I hardly ever max out one of my CPUs, but it keeps my 12900k cool without issue. My other CPU is less powerful but it gets ran at 100% regularly and also doesn't have cooling problems. As long as this fits in your case, I'd recommend it to anyone looking for a solid, but still budget friendly, air cooler.
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Reviewed in the United States on February 19, 2026 by JK
Style: PA120 SE ARGB
First off let me start by saying I have built computers before, but am by no means a computer expert. I spent 2 years trying to figure out why my PC experienced so much stuttering and low performance in some games. I bought new GPU's, new CPU's, more RAM, and still the same performance issues. One day I decided to check my temps and noticed they seemed to REALLY high in some games, and almost seem to correlate with drops in performance. That's when I did some research and learned that CPU's tend to throttle themselves when temps are too hot. I bought this hoping it would drop my temps and holy mother of god - it's like I'm gaming on an entirely different set up. The air flow is insane. It dropped my temps by about 10-15 degrees at least. Every game I played was running so much more smoothly and could be ran at higher graphic presets without stuttering or major frame lag. The fan itself is pretty large so make sure you're not putting it in a tiny case, but man its SO worth the price. Installation was pretty simple if you know your way around the inside of a computer. As for noise, I can't hear it at all, its very quiet. I could not recommend a product more if you're experiencing issues with CPU high temps. save yourself the money and hassle of expensive cooling set ups and try this first.
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Reviewed in the United States on October 9, 2025 by Ricky Tellez
Style: PA120 SE ARGB
Keeps my i7 very cool. 25 to 27° C idling & plenty of headroom under load. Cheap but very effective cooler. Installation was tricky due to it being awkward to get paste on because of it's size & shoe. Also screws have to be turned a lot before contact so you have to screw fast to keep the paste from getting tacky. Was certainly doable though. Fans are very quiet, especially at idle. Downside is it's big, very big. You need small memory or you'd have to put a fan on the back side to use bigger memory sticks. Maybe not for a novice but worth a shot.
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Reviewed in the United States on October 17, 2025 by FloJay
Style: PA120 SE ARGB
Bought it to make a pc for my friend I7 8700 , rtx 2070 super , 2x8 2333mhz ddr4 ram , 650w psu . Its overkill cooling tbh , with a stock cpu fan curve playing a cpu intensive game like pubg at ultra cpu was at 45°-50° . Almost no noise at all . Looks great too . But it is very HUGE . Mounting the cpu is easy but the fans were kinda confusing and I had to watch a YouTube vid , but Zach tech tips has a short installation vid . Something to note , if you have rgb ram you will need to install it like me , the proper way to install in an intake in the front (which would be above the ram , pulling air into the cpu that comes from the front ) and one in the middle as exhaust ( blowing hot air out ) but I didn’t put one above the ram because this is my friends first pc and maybe he may want to upgrade ram , so I wanted everything in the pc to be accessible. Keep that in mind if buying this . Other than that because it’s most likely an overkill cooler you won’t be missing because the cooling difference is literally less that 5°c
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Reviewed in the United States on March 13, 2026 by Mike
Style: PA120 SE ARGB
The media could not be loaded. Noise level low, size is a little big but that’s expected for nice airflow. It works great, keeps CPU cool like it’s meant to. 2nd time purchasing one and will keep purchasing one for new builds.
Reviewed in the United States on February 2, 2026 by Brandon R