Updated 2026-07-03

DealCoconutThe Value PC Build › CPU Cooler

Thermalright Peerless Assassin 120 SE

CPU Cooler — our researched pick in The Value PC Build

Good time to buy Commodity-stable price. It's $37; don't overthink it.
Thermalright Peerless Assassin 120 SE
Known low $34.00 (typical sale) 9% above the lowMSRP $39.90

Why this one: The most-reviewed value legend in PC building: dual-tower cooling that matches $80–100 coolers for under $40. The 270K Plus doesn't need liquid cooling at stock.

What it beat: $80+ AIO liquid coolers — same temperatures, double the price, and a pump that can fail.

Tighter budget? This is already the save-money pick.

Reliability5/5

Nothing to break but two standard fans, both replaceable for $10. An AIO adds a pump and coolant loop — the #1 cooler failure mode — for zero thermal gain at this TDP.

Good time to buy — Commodity-stable price. It's $37; don't overthink it.
Common concerns (2)
  • Will it fit my case/RAM? — 157mm tall, fits the case below with room to spare; offset design clears standard RAM.
  • LGA1851 mounting? — Uses the same mount as LGA1700; included hardware works.
Don't take our word for it — verify with your AI: Claude ChatGPT Perplexity