Quick Summary
The Thermalright Peerless Assassin 120 SE CPU Air Cooler is a dual tower, dual fan CPU cooler for Intel and AMD systems. It is supplied with 6 heat pipes and dual 12cm PWM fans, with support listed for AM4, AM5, LGA1851, 1150, 1151, 1200 and 1700 sockets.
The cooler is described with an aluminium heat sink, a 125 x 135 x 155 mm body and a weight of 0.97 kg. The fan specification includes 120 x 120 x 25 mm fans, 1550rpm ±10% speed, a 4 pin power port, 12V input, 66.17CFM maximum airflow and noise level of 25.6dB(A) or below.
Who It Is Best For
This cooler suits buyers who need a CPU air cooler for one of the listed Intel or AMD sockets and want a dual tower, dual fan layout. It is also relevant where clearance around memory modules matters, as the listing notes room for RAM during installation.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product name | Thermalright Peerless Assassin 120 SE CPU Air Cooler. |
| Cooling design | Double tower, double fan cooling for a larger CPU air cooler layout. |
| Heat pipes | 6 heat pipes, with 6 x 6mm heat pipes stated in the description. |
| Cooler dimensions | 125(L) x 135(W) x 155(H) mm, which is important for case clearance checks. |
| Cooler weight | 0.97kg, useful when checking build preferences and handling. |
| Fan size | 120 x 120 x 25 mm standard size PWM fan. |
| Fan speed | 1550rpm ±10%. |
| Power connection | 4 pin fan power port and 12V voltage. |
| Airflow | 66.17CFM maximum airflow. |
| Noise level | 25.6dB(A) or below, based on the stated specification. |
| Socket support | Intel LGA1150, 1151, 1155, 1156, 1200, 1700 and 1851; AMD AM4 and AM5. |
| Installation support | Metal fasteners and corresponding mounting plate or fastener parts are provided for the listed socket platforms. |
Why Buyers Choose It
- Dual tower, dual fan cooling gives a clear picture of the cooler’s physical layout.
- The stated socket support helps buyers confirm whether it matches their Intel or AMD platform.
- 1550rpm ±10% fan speed and 66.17CFM maximum airflow are useful specification checks for comparison.
- The 155mm height and RAM clearance note matter when checking case and memory fit.
What To Know Before You Buy
Check your CPU socket against the listed Intel and AMD options before ordering. The cooler’s 125 x 135 x 155 mm size should also be reviewed against your case clearance, especially around the height limit and memory area. The dual fan design uses 120mm PWM fans with a 4 pin connection, so it is worth confirming that this matches your preferred setup.
Pros: The listing gives clear socket support and detailed cooler and fan specifications for pre-purchase checking.
Cons: The description does not provide every possible installation or system compatibility detail, so variation checks remain important.
Common Buyer Questions
Which sockets does it support?
It is listed for Intel LGA1150, 1151, 1155, 1156, 1200, 1700 and 1851, plus AMD AM4 and AM5.
How big is the cooler?
The cooler measures 125(L) x 135(W) x 155(H) mm.
What fan specification is stated?
The fans are listed as 120 x 120 x 25 mm PWM fans with a speed of 1550rpm ±10%.
Does it mention RAM clearance?
Yes. The description says it leaves room for memory-chip RAM during installation.
Final Buying View
If you need a Thermalright CPU air cooler for one of the listed Intel or AMD sockets, the Peerless Assassin 120 SE gives you the main specification checks in one place. Compare the socket, case clearance and fan connection details with your build before ordering.
