Thermalright
Thermalright Peerless Assassin 120 SE CPU Cooler
Bottom line: The Thermalright Peerless Assassin 120 SE CPU Cooler: Dual-tower design with 6 pure copper sintered heat pipes; main trade-off: 155mm tall - verify case clearance before buying.
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Pros & Cons
Pros
- ✓ Dual-tower design with 6 pure copper sintered heat pipes
- ✓ Quiet under load: 25.6dB(A) max at 1550rpm
- ✓ Wide socket support: Intel LGA1700/1200/115x/1851, AMD AM4/AM5
- ✓ Offset layout leaves clearance for tall RAM modules
Cons
- ✗ 155mm tall - verify case clearance before buying
- ✗ No LED or RGB for lit-build aesthetics
- ✗ Air cooling trails 240mm+ AIOs on the hottest chips
- ✗ Dual towers crowd top PCIe/RAM in tight cases
SpecPicks Verdict
SpecPicks scored Thermalright Peerless Assassin 120 SE CPU Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Thermalright's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key 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] Peerless Assassin 120 SE; 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
- 【Double PWM Fans】TL-C12C; Standard size PWM fan:120x120x25mm (4.72x4.72x0.98 inches); Product weight:0.97kg(2.1lb); fan speed (RPM):1550rpm±10%; power port: 4pin; Voltage:12V; Air flow:66.17CFM(MAX); Noise Level≤25.6dB(A), leave room for memory-chip(RAM), so that installation of ice cooler cpu is unrestricted
- 【AGHP technique】6×6mm heat pipes apply AGHP technique, Solve the Inverse gravity effect caused by vertical / horizontal orientation. 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
- 【Compatibility】The CPU cooler Socket supports: Intel: lga1150/1151/1156/1155/1200/1700/1851/ AMD:AM4 AM5; For different CPU socket platforms, corresponding mounting plate or fastener parts are provided
Full Specifications
| Brand | Thermalright |
|---|---|
| Model | PA120 SE-D1 |
| Weight | 0.97kg |
| Voltage | 12 volts |
| Wattage | 4.8 watts |
| Material | Aluminum |
| Dimensions | 4.92x5.31x6.1 inch |
| Unit Count | 1 Count |
| Noise Level | 25.6 db |
| Part Number | PA120 SE-D1 |
| Material Type | Aluminum |
| Cooling Method | Air |
| Number of Items | 1 |
| Air Flow Capacity | 66.17 cfm |
| Compatible Devices | Desktop |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 1550 rpm |
| Item Dimensions L x W x H | 4.92"L x 5.31"W x 6.1"H |
| Full listing title | Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes with Dual Towers, Dual 120mm CPU Fans, 1550rpm±10%, No LED, for Intel LGA1700/1200/115x/1851; AM4/AM5 |
Ready to buy?
Thermalright Peerless Assassin 120 SE CPU Cooler, 6 Heat Pipes with Dual Towers, Dual 120mm CPU Fans, 1550rpm±10%, No LED, for Intel LGA1700/1200/115x/1851; AM4/AM5 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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