Thermalright Peerless Assassin 120 SE V2 CPU Air Cooler - 6 Heat Pipes AGHP GEN 5.0 Technology | 1850RPM PWM 120mm Fans, for Intel 1851/1700/115X/1200, AMD AM4/AM5
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FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
In Stock.
Arrives
Wednesday, Dec 17
Style: PEERLESS ASSASSIN 120 SE V2
Features
- Thermalright Peerless Assassin 120 SE V2(PA120 SE V2)
- [Product specification] Cooler dimensions: 125(L)x135(W)x155(H)mm (4.92x5.31x6.1 inch); Heat sink material: Aluminum fin on copper bottom, CPU cooler is equipped with metal fasteners of Intel and AMD platform to achieve better installation.
- [Dual Thickened PWM Fans] TL-C12C-X28 V2 fan; fan size:120x120x28mm (4.7x4.7x1.1 inches); fan speed (RPM):1850rpm10%; power port: 4pin; Air flow:88.89CFM(MAX); Noise Level29.5dB(A).
- [AGHP GEN 5.0 Technology] 66mm heat pipes apply GEN 5.0 Technology, Solve the Inverse gravity effect caused by vertical | horizontal orientation, 6 pure copper heat pipes & PWM fan & Pure copper base&Full electroplating reflow welding process, TDP is is up to 265w, aim to extreme CPU cooling performance.
- [Compatibility] The CPU cooling slot support:Intel LGA 1851/1700/1200/115X; AMD: AM4/AM5; for different CPU slot platforms, the corresponding mounting plate or fasteners are provided, which can be combined with the installation instructions or in accordance with the tutorial to the machine.
Description
Dimension：L125 mm x W110 mm x H155 mm(Without Fan) Heat pipes：6mm heatpipe x 6 units Copper Base：C1100 Pure copper nickel plated TL-C12C-X28 V2 FAN Spec： Dimension：L120 mm x W120 mm x H28 mm Rated Speed：1850 RPM±10% (MAX) Noise Level：29.5 dBA Air Flow：88.89 CFM (MAX) Air Pressure：2.21 mm H2O (MAX) Ampere：0.30 A Connector：4 Pin (PWM Fan connector) Bearing Type : S-FDB Bearing
Brand: Thermalright
Power Connector Type: 4-Pin
Voltage: 12 Volts (DC)
Wattage: 2.4 watts
Cooling Method: Air
Compatible Devices: Desktop
Noise Level: 29.5 Decibels
Material: Aluminum
Maximum Rotational Speed: 1850 RPM
Air Flow Capacity: 88.89 Cubic Feet Per Minute
Brand: Thermalright
Power Connector Type: 4-Pin
Voltage: 12 Volts (DC)
Wattage: 2.4 watts
Cooling Method: Air
Compatible Devices: Desktop
Noise Level: 29.5 Decibels
Material: Aluminum
Maximum Rotational Speed: 1850 RPM
Air Flow Capacity: 88.89 Cubic Feet Per Minute
UPC: 814256019248
Manufacturer: Thermalright
Number of Items: 1
Part Number: PA120-SE-V2
Item Weight: 3.14 pounds
Product Dimensions: 4.92 x 5.31 x 6.1 inches
Item model number: PEERLESS ASSASSIN 120 SE V2
Style: PEERLESS ASSASSIN 120 SE V2
Item Package Quantity: 1
Included Components: CPU Air Cooler
Batteries Included?: No
Batteries Required?: No
Date First Available: November 26, 2024
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Dec 17
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: PEERLESS ASSASSIN 120 SE V2
One of the best air coolers I've owned. The metal hooks that attach the fans to the heatsink are quite easy and it keeps the temperatures low. I have yet to notice the noise so it is fairly quiet. Really great cooler for the price.
Reviewed in the United States on November 12, 2025 by Nicholas Miller
Style: PA120SE ARGB White V2
I bought the Thermalright Peerless Assassin 120 SE ARGB White V2 for my new white-themed PC build with an Intel Core Ultra 2 processor, and as always, Thermalright’s coolers are a cut above. The white finish is sleek and matches my build perfectly, adding a clean, stylish vibe. The six heat pipes with AGHP GEN 5.0 technology keep my Core Ultra 2 nice and cool, even during intense gaming sessions and multitasking. The dual 120mm PWM fans (up to 1850RPM) deliver strong airflow while staying surprisingly quiet. The ARGB lighting looks great and syncs seamlessly with my setup. Installation was a breeze on my Intel 1851 socket, with clear instructions and solid mounting hardware (it also supports AMD AM4/AM5). The cooler’s build quality is top-tier, and for the price, it’s an absolute steal. This is why I always go back to Thermalright—reliable performance and great aesthetics. 5 stars for now, and I’ll update if anything changes with extended use. Highly recommend!
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Reviewed in the United States on July 20, 2025 by Bn321
Style: PEERLESS ASSASSIN 120 SE V2
Fitted this CPU cooler yesterday on an aging MSI Codex Tower Case. The installing can be challenging due to fitting the 2nd fan north of the air vents and system heatsink. Ram clearance is a few centimeters on top of the first stick, but everything fits properly. I have no issues so far and it cools off the i5 13400F under 33-38c while on turbo boost at 4.0-4.5 GHz. As the title states OVERKILL. Will consider using this for the i9 14900f cpu in the future. The price lives up to its superior value over premium coolers. Get this if you're an Intel customer who isn't buying K versions. Recommend this to MSI PRO z790 P Wifi DD4 motherboard owners! Update: I want to clear something up about the size, it's a large tower cooler, but fits well on cases with 195 x 500 x 455mm. The size isn't that bad.
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Reviewed in the United States on November 5, 2025 by PantherFlash
Style: PEERLESS ASSASSIN 120 SE V2
This is a great CPU cooler keeps the CPU cool at a low RPM. Most of the time it’s dead silent, but as the RPM increases there’s a noticeable resonance that sounds a bit like a whine. The other issue I have is that it completely covers the RAM slots, so having to take out/install RAM sticks is kind of a pain. Thirdly, it’s MASSIVE, so things are pretty cramped in my case right now, doing any bit of tinkering requires working around the cooler, which can be a hassle when the heat sink scratches you. Over all, it was decently easy to install, and gets the job done. So I’d give it a 4 star review, considering the whining can get a little annoying.
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Reviewed in the United States on December 3, 2025 by Miguel
Style: PEERLESS ASSASSIN 120 SE V2
Outstanding value and fairly straightforward to install, just be careful you don't get into a fight with the radiator, the radiator will win haha. Also be mindful of routing cables to your motherboard ahead of time if your case is on the smaller side, as accessing the connection points may be difficult or impossible. It fit into my Coolermaster Q300L with about a quarter-inch of clearance, so unless you're in an ultra-small form factor case, you should be good to go. Will look good with any black, grey, or white build - I have a blacked-out build personally. The stock fans do a good job moving air but they can sound a bit like a blender under load - but that's an easy $20-$30 fix down the line to swap out a couple of Arctic P12 or Noctua NF-P12's. For what you get for only $40, it's an absolute steal.
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Reviewed in the United States on August 9, 2025 by Max
Style: PEERLESS ASSASSIN 120 SE V2
I was using the stock cooler in my computer for years without really noticing that it was running at 90°C+ degrees most of the time when I was playing games. When I started playing some of the new games in 2025 I installed Coretemp to monitor and was shocked to see that I was maxing out my temps at 100°C. I installed this tonight, and tested a few of my high CPU usage games and couldn't get it to go over 78°C, most of the time it was in the 60°C range. It was easy enough to install after watcting a few YouTube videos, had all the parts I needed, and plenty of thermal paste in the tube included for me to put almost too much (I probably put too much). Of note, it's too tall for my Dell G5 5000 case and I wont' be able to put the side panel back on fully (it sits in a corner, so I'll just kinda lean it on), so measure out your case first to make sure it's wide enough. All that being said, I'm happy with the purchase.
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Reviewed in the United States on September 15, 2025 by Danthol
Style: PA120SE ARGB Black V2
My PC (Intel i7-11th gen) started overheating on a regular basis and would overheat to the point that it would auto-shutdown after 10 minutes in a graphics intensive game like RUST. I first tried cleaning my existing CPU cooler and fan and applying new thermal paste but it didn't solve the problems. Went down a rabbithole of AI suggestions and Youtube reviews. This did the ticket. My CPU now runs rust at almost 50 degrees (celcius!) lower temp. Down in the 20s when idling. Near 40-50 when doing the most intensive gaming. All for under $40? Value for money? CHECK Performance? CHECK Functionality? CHECK Noise Level? CHECK (no complaints. I never notice it.) Looks? CHECK (it faces toward my exhaust on the back of my PC, so I don't really see the LED fans directly, but the glow of colors coming from my CPU stack are still fun! BUY IT.
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Reviewed in the United States on October 5, 2025 by John L. Dudash John L. Dudash
Style: PEERLESS ASSASSIN 120 SE V2
This works great for a mid-range build People who complain about the noise, probably need to adjust the fan curve speed in Bios? The V2 having fans that can spin faster, means it can get a little louder, but also gives it the ability to cool the cpu faster better when it is needed. I see this as an absolute benefit with no negative side. For a quieter experience, simply set your cpu fan curve to not be as aggressive, and to kick into full speed once you reach higher cpu temperatures.
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Reviewed in the United States on August 14, 2025 by Anonymous person.