Thermalright Peerless Assassin 120 SE Black CPU Cooler – Dual‑Tower, 6 Heat Pipes, AMD Ryzen AM4/AM5 & Intel Core LGA1700

Widely regarded as one of the best performing and best value air coolers on the market, the Thermalright Peerless Assassin 120 SE Black offers outstanding, flagship-tier cooling performance for modern desktop processors without the premium price tag. This unit is in brand-new condition.

Upgrade your PC's cooling with the Thermalright Peerless Assassin 120 SE Black. Widely acclaimed as the best value dual-tower CPU air cooler on the market, it features 6 anti-gravity heat pipes and a 265W TDP capacity to tame power-hungry CPUs like the AMD Ryzen 7800X3D/9800X3D and Intel Core Ultra 285K. Brand new with thermal paste included.

Featuring a dual-tower heatsink layout, 6 high-performance anti-gravity heat pipes (AGHP), and a nickel-plated pure copper base, this cooler easily manages heavy thermal loads. Built with a high TDP (Thermal Design Power) capacity of up to 265W, it is fully capable of taming power-hungry, high-end processors. It easily handles top-tier CPUs including:

• AMD Ryzen: 7800X3D, 7900X, 7950X, 9800X3D, 9950X

• Intel Core Ultra: Ultra 7 265K, Ultra 9 285K

• Intel Core 13th/14th Gen: i7-13700K / 14700K, i9-13900K / 14900K

The cooler comes equipped with two high-efficiency TL-C12C 120mm PWM fans utilizing S-FDB bearings to deliver strong airflow while maintaining low noise output. A tube/packet of Thermalright thermal paste is included in the box.

Note on Compatibility: At a total height of 155mm, this cooler will comfortably fit the vast majority of standard ATX and Micro-ATX mid-tower cases. However, if your PC case is smaller than standard cases (such as certain budget, compact, or Mini-ITX chassis), or if you are using tall RGB RAM sticks that require the front fan to sit slightly higher, please check your case's CPU cooler height clearance before ordering.

Key Specifications

• Brand / Series: Thermalright Peerless Assassin 120 SE

• Color: Black

• Cooler Type: Dual-Tower Air Cooler

• Value Rating: Market-Leading Performance-per-Pound

• Heat Pipes: 6 × 6mm Copper Heat Pipes (AGHP)

• Base Plate: C1100 Pure Copper (Nickel Plated)

• Fan Model: Dual 120mm TL-C12C PWM Fans

• Fan Speed: Up to 1550 RPM

• Noise Level: ≤ 25.6 dBA

• Max Airflow: 66.17 CFM

• Dimensions: 125mm (L) × 110mm (W) × 155mm (H)

• Socket Compatibility:

  • Intel: LGA 1851 / 1700 / 1200 / 1150 / 1151 / 1155 / 1156

  • AMD: AM4 / AM5

What’s Included

• 1 × Thermalright Peerless Assassin 120 SE Heatsink Tower Assembly

• 2 × TL-C12C 120mm PWM Fans

• 1 × Thermalright Thermal Paste Tube/Sachet

• Universal Intel & AMD Mounting Hardware & Fan Clips
  

Flagship Thermal Performance at a Budget PriceBuilt with a dual-tower heatsink and a nickel-plated pure copper base plate, the Peerless Assassin 120 SE Black delivers liquid-cooler level thermal performance without the risk of leaks or pump failure. It comfortably handles modern high-wattage gaming processors, making it an ideal choice for new builds and silent upgrades.

Low-Noise Dual PWM Fans

Equipped with two high-efficiency TL-C12C 120mm PWM fans, this cooler balances strong airflow (66.17 CFM) with ultra-quiet operation (≤ 25.6 dBA). S-FDB bearings ensure smooth fan rotation and long-term reliability under sustained heavy workloads.

Clearance & RAM Compatibility NoticeStanding at 155mm tall, this cooler fits almost all standard ATX and Micro-ATX PC cases. Tip: If you are using high-profile RGB RAM sticks, the front fan can easily be clipped a few millimeters higher on the heatsink fin stack to clear your memory modules.