Review: Thermalright Peerless Assassin 140

Thermalright Peerless Assassin 140  Manufacture's image.
Thermalright Peerless Assassin 140
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CPU Cooler Details:
Metric Value
Brand Thermalright
Cooler Name Peerless Assassin 140
Fan 1 Name TL-C12B V2 PWM
Fan 2 Name TL-D14CB
Stated dBa 25.6
Number of Heat Pipes 6
Full Size (WxHxD): 140x158x157 mm
Radiator 1 (WxHxD) 140x117x55 mm
Radiator 2 (WxHxD) 140x117x55 mm
AIO Cooler Rating: Install 7 (Easy)
Manufacture's Link Peerless Assassin 140 Manufacture's Link

Product Links

Link Type Value
Amazon.com

Fan Details for CPU Cooler:
Metric Fan 1 Fan 2
Fan Name TL-C12B V2 PWM TL-D14CB
Fan Location Front Mid
Fan Flow Type Push Mid
CPU Only Fan No No
Max RPM 1500 1500
Fan Size (mm) 120 140
Fan Width (mm) 25 27
Manufacture Rated dBa 25.6 25.6
Manufactured Rated Airflow (cmf) 66.2 77.8
Manufactured Rated Air Pressure (h2o) 1.5 2.1
Number Of Pins 4 4
PWM Fan Yes Yes
Bearing Type Fluid Dynamic Fluid Dynamic
Watts (W) 2.40
Current (A) 0.20
Max Volts 12.00


Design and Aesthetics:

The Peerless Assassin 140 shares a similar design with other 140mm coolers from Thermalright, featuring two 140mm heatsinks paired with a 120mm fan at the front and a 140mm fan in the middle. The difference in fan sizes helps reduce RAM clearance issues, which are common with most 140mm air coolers. This model has a polished top and comes in an all-black design, though other color options may be available.

Install Notes:

The Peerless Assassin 140 CPU cooler features installation components similar to many mainstream Thermalright designs, making it relatively easy to install. However, it encounters a challenge when uninstalling, as it doesn't allow for sliding or twisting to break the thermal paste seal. This can be problematic if the thermal paste creates a strong bond between the cooler and the CPU.

Cooling Performance:

While the cooler offers similar peak performance to its competitors, its main advantage lies in its efficiency at lower RPMs, where it provides slightly better cooling. This translates to a noticeable edge in noise-to-performance ratio compared to smaller coolers, making it quieter under lower loads while still maintaining strong cooling capabilities.

Noise Performance:

Due to its larger fans, this cooler becomes more audible at higher RPMs. However, because the fans move more air, lower RPMs are generally sufficient for cooling under most moderate CPU loads, allowing for quieter operation without sacrificing performance.

Summary:

The Peerless Assassin 140 CPU cooler is easy to install, thanks to its design resembling other mainstream Thermalright models, but it presents a challenge during uninstallation as it doesn’t allow for sliding or twisting to break the thermal paste seal. It features two 140mm heatsinks, a 120mm fan at the front, and a 140mm fan in the middle, which helps reduce RAM clearance issues common with larger coolers. While its peak performance is on par with competitors, it excels at lower RPMs, offering better cooling and a superior noise-to-performance ratio compared to smaller coolers. Although more audible at higher RPMs due to its larger fans, the slower speeds still provide sufficient cooling for most moderate CPU loads, ensuring quieter operation without compromising performance.



AMD 5800X CPU Box Image

AMD Ryzen 7 5800X

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CPU Details:
Metric Value
Brand AMD
Cooler Name Ryzen 7 5800X
CPU Socket AM4
Cores 8
Thread Count 16
Max Temperature 90°C
Base Clock 3.8GHz
Max Boost Clock 4.7GHz
Cache L1
Cache L2 4MB
Cache L3 32MB
Processor Power Base 105W
Manufacture's Link Ryzen 7 5800X Manufacture's Link

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