This article covers Thermalright Peerless Assassin 120 SE V2 CPUエアクーラー.

Overview

The Thermalright Peerless Assassin 120 SE V2 (PA120 SE V2) is a high-performance dual-fan air CPU cooler featuring six 6mm heat pipes and a rated TDP of 265W. It supports Intel LGA1851/1700/1200/115X and AMD AM4/AM5 sockets, making it a versatile choice for modern builds. Priced around ¥8,765, it offers exceptional value for mid-range to high-end CPUs. This revision introduces AGHP GEN 5.0 technology, which mitigates the anti-gravity effect in heat pipes, ensuring consistent cooling performance regardless of orientation. Despite its dual-fan setup, the cooler stands just 155mm tall, fitting into most standard PC cases.

Connectivity & Compatibility

Socket compatibility covers Intel LGA1851/1700/1200/115X and AMD AM4/AM5. The package includes mounting kits for each platform, and installation is straightforward. Fans use standard 4-pin PWM headers for speed control. Physical dimensions are 125mm (L) × 135mm (W) × 155mm (H). Ensure your case has at least 155mm of CPU cooler clearance. The heatsink is offset away from the memory slots to avoid RAM interference, though tall RAM modules may still require careful positioning.

Product Info

Released in late 2024, the Peerless Assassin 120 SE V2 sits in the mid-range price bracket at around ¥8,765. Warranty typically ranges from 1 to 2 years depending on the retailer. Included accessories: Intel/AMD mounting hardware, thermal compound, and installation tools. Available through and other major retailers. Market positioning: entry-to-mid-high tier. With a 265W TDP rating, it can handle CPUs like the Core i7-14700K or Ryzen 7 7800X3D under sustained loads. Its price-to-performance ratio is among the best in the air cooler segment, rivaling entry-level AIO liquid coolers.

Best Use Cases

Budget-conscious gamers: Ideal for cooling mid-high CPUs like the Core i5-14600K or Ryzen 7 7800X3D without spending on liquid cooling. Provides near-AIO performance at a fraction of the cost. Silence seekers: Dual fans max out at 29.5 dBA, and low-load operation can be nearly silent. Pair with a quiet case for a whisper-quiet build. Compact case builders: At 155mm tall, it fits many Mini-ITX and small-form-factor cases. Always verify case CPU cooler height clearance before purchase. Entry-level overclockers: Handles moderate overclocks on mid-range CPUs. For extreme overclocking on Ryzen 9 or Core i9, consider a larger air cooler or liquid cooling.

Product Disclosure (Amazon)

  • Manufacturer: GIGABYTE
  • Seller: Amazon US
  • Fulfilled by: Amazon US
  • ASIN: B0D54QJ9CJ
  • Note: This article covers a manufacturer-made product based on Amazon listing details.