Quick Summary
The Thermalright Assassin King 120 SE is a CPU air cooler with a 120mm PWM fan and 5 heatpipes. It is built for use with the listed Intel and AMD sockets, including AM4, AM5 and LGA 1700.
The included fan supports automatic speed control, and the supplied details also state an air flow figure of 66.17 CFM and a noise level of up to 25.6 dB(A).
Who It Is Best For
This cooler suits buyers who need a socket-compatible CPU air cooler and want to check the exact motherboard socket before ordering. It is also relevant if you want a cooler that includes the fitting parts and thermal paste items listed with the package.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | CPU air cooler for desktop processor cooling. |
| Brand and model | Thermalright Assassin King 120 SE. |
| Heatpipes | 5 x 6mm AGHP III heat pipes. |
| Fan | 120mm TL-C12C PWM fan with automatic speed control. |
| Air flow | 66.17 CFM, which gives a stated airflow figure for comparison. |
| Noise level | Up to 25.6 dB(A) as stated. |
| Socket support | Intel 1150, 1151, 1155, 1156, 1200, 1700 and AMD AM4, AM5. |
| Fan dimensions | 120 x 120 x 25 mm. |
| Heat sink dimensions | 120 x 73 x 148 mm including the fan. |
| Package contents | Fan, radiator, installation instructions, warranty card, silicone grease, front and rear fan buckles, Intel buckle, AMD buckle and rear fan rubber pad. |
How It Works
The cooler uses a 120mm PWM fan together with 5 heatpipes to move heat away from the CPU. The fan’s automatic speed control is intended to adjust operation as needed.
The package includes fitting parts and installation instructions, so the selected socket should be checked before installation.
What To Know Before You Buy
Check that your motherboard uses one of the listed sockets: Intel 1150, 1151, 1155, 1156, 1200 or 1700, or AMD AM4 or AM5. Review the fan and heat sink dimensions before ordering to make sure the cooler suits your available space. The package also includes silicone grease and the listed mounting parts.
Common Buyer Questions
Which sockets does it support?
It is listed for Intel 1150, 1151, 1155, 1156, 1200 and 1700, plus AMD AM4 and AM5.
What fan size is included?
A 120mm PWM fan is included, with dimensions of 120 x 120 x 25 mm.
What comes in the box?
The package includes the fan, radiator, installation instructions, warranty card, silicone grease, fan buckles, Intel buckle, AMD buckle and a rear fan rubber pad.
What are the stated airflow and noise figures?
The stated airflow is 66.17 CFM and the stated noise level is up to 25.6 dB(A).
Final Buying View
This is a socket-specific CPU air cooler with a 120mm PWM fan, 5 heatpipes and the listed fitting hardware. Confirm your socket and available space before ordering, then match the included mounting parts to your system.










