Thermalright Peerless Assassin 140 SE CPU Air Cooler with 6 Heat Pipes, 28mm Thick Performance GradeFan, 158mm High CPU Cooling, for AM5/AM4, Intel LGA1851/1700/1150/1151/1155/1156/1200
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
SpecPicks Verdict
SpecPicks classifies Thermalright Peerless Assassin 140 SE CPU Air Cooler with 6 Heat Pipe… as a category leader on buyer feedback in the cooling & fans category, based on 9 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- [Heat Dissipation Combination] The CPU heat sink is a dual tower dual fan structure, with FIN fins on the black top, 6 fully electroplated anti-oxidation heat pipes, and a finely carved copper bottom. It is equipped with 2 PWM fans, which can easily dissipate the temperature of the CPU.
- [Product Specifications] Model: Peerless Assassin 140 SE, size: 140x160x158mm, heat sink material: aluminum,fan size: 120x120x28mm/140x140x27mm,fan speed: 1850RPM+10%/1500RPM+10%, Wind pressure: 2.21MM H2O, operating noise≤29.5db (A)/25.6db (A), fan interface: 4pin pwm, Combined with 2 pwm fans, can bring good heat dissipation effect.
- [158mm Heat Dissipation Height]The overall height of the cpu cooling is 158mm, which is compatible with more chassis. The main body is made of all aluminum fins, which can provide a larger heat dissipation area
- [Dual CPU Fan Cooling]The matched 120mm and 140mm fans have a speed of up to 1850RPM and 1500RPM, and an air volume of 88.89CFM and 77.8CFM, which can provide good heat dissipation effect. The fans have PWM function and can adjust the speed according to the motherboard temperature without manual adjustment. The attached fan hook is fixed on the twin tower radiator.
- [Detail Optimization] The cpu cooler comes with a 1-to-2-wire pwm control line, and the dual fans can achieve PWM synchronous speed control. The accompanying SS2 buckle is compatible with multiple specifications and can accommodate multiple CPU models. It is easy to install and remove, and easy to maintain and upgrade.
Full Specifications
| Brand | Thermalright |
|---|---|
| Material | Aluminum |
| Dimensions | 140x160x158mm |
| Unit Count | 1.0 Count |
| Noise Level | 29.5 Decibels |
| Part Number | PA140SE-D2 |
| Material Type | Aluminum |
| Cooling Method | Air |
| Number of Items | 1 |
| Number of Packs | 1 |
| Air Flow Capacity | 166.69 Cubic Feet Per Minute |
| Compatible Devices | Desktop |
| Included Components | Cpu cooler, cpu air cooler、ice coolers cpu、heat pipe cpu cooler |
| Power Connector Type | 4-Pin |
Ready to buy?
Thermalright Peerless Assassin 140 SE CPU Air Cooler with 6 Heat Pipes, 28mm Thick Performance GradeFan, 158mm High CPU Cooling, for AM5/AM4, Intel LGA1851/1700/1150/1151/1155/1156/1200 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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