Thermalright
Thermalright Assassin X 120 SE White CPU Air Cooler
Bottom line: The Thermalright Assassin X 120 SE White CPU Air Cooler ($17.90 on Amazon as of 2026-10-06): Four 6mm AGHP heat pipes hold performance in vertical or horizontal case orientations; main trade-off: single 120mm fan and four heat pipes cap headroom on high-TDP overclocked CPUs.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Four 6mm AGHP heat pipes hold performance in vertical or horizontal case orientations
- ✓ Fan peaks at 66.17 CFM and 1550 RPM while staying at or under 25.6 dB(A)
- ✓ 148mm height fits medium-sized mid-tower cases without a low-profile compromise
- ✓ One kit covers AMD AM4/AM5 and Intel 1150-1200, 1700, 17XX and 1851 sockets
Cons
- ✗ Single 120mm fan and four heat pipes cap headroom on high-TDP overclocked CPUs
- ✗ 148mm height rules out low-profile and small-form-factor ITX builds
- ✗ Fan is fixed at 1550 RPM plus or minus 10 percent, with no high-RPM mode
- ✗ Listing does not state whether thermal paste or a warranty is included
SpecPicks Verdict
SpecPicks scored Thermalright Assassin X 120 SE White CPU Air 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]AX120 SE WHITE; CPU Cooler dimensions: 125(L)x71(W)x148(H)mm (4.92x2.8x 5.83 inch);heat sink material: aluminum, CPU cooler is equipped with metal fasteners of Intel & AMD platform to achieve better installation
- 【PWM Fans】TL-C12CW; Standard size PWM fan:120x120x25mm (4.72x4.72x0.98 inches); fan speed (RPM):1550rpm±10%; power port: 4pin; Voltage:12V; Air flow:66.17CFM(MAX); Noise Level≤25.6dB(A), the fan pairs efficient cool with low-noise-level, providing you an environment with both efficient cool and true quietness
- 【AGHP technique】4×6mm heat pipes apply AGHP technique, Solve the Inverse gravity effect caused by vertical / horizontal orientation. Up to 20000 hours of industrial service life, S-FDB bearings ensure long service life of air-cooler radiators. UL class a safety insulation low-grade, industrial strength PBT + PC material to create high-quality products for you. The height is 148mm, Suitable for medium-sized computer case
- 【Compatibility】The CPU cooler Socket supports: Intel:1150/1151/1155/1156/1200/1700/17XX/1851,AMD:AM4 /AM5; For different CPU socket platforms, corresponding mounting plate or fastener parts are provided
Full Specifications
| Brand | Thermalright |
|---|---|
| Model | AX120 SE White |
| Voltage | 12 volts |
| Wattage | 15 watts |
| Material | Aluminum,Metal,Silicone |
| Dimensions | 4.92x2.8x 5.83 inch |
| Unit Count | 1 Count |
| Noise Level | 15 db |
| Part Number | AX120 SE White |
| Compatibility | PC |
| Material Type | Aluminum,Metal,Silicone |
| Cooling Method | Air |
| Number of Items | 1 |
| Air Flow Capacity | 66.17 cfm |
| Compatible Devices | Desktop |
| Included Components | cpu cooler |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 1200 rpm |
| Item Dimensions L x W x H | 4.92"L x 2.8"W x 5.83"H |
| Full listing title | Thermalright Assassin X 120 SE White CPU Air Cooler, 4 Heat Pipes, TL-C12CW PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5/Intel 1700/1150/1151/1200/1851 |
Ready to buy?
Thermalright Assassin X 120 SE White CPU Air Cooler, 4 Heat Pipes, TL-C12CW PWM Quiet Fan CPU Cooler with S-FDB Bearing, for AMD AM4 AM5/Intel 1700/1150/1151/1200/1851 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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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