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header-product Heatsink/Radiator Thermalright Assassin X 120 REFINED SE WHITE 12 cm 1550 RPM 25.6 dB

Heatsink/Radiator Thermalright Assassin X 120 REFINED SE WHITE 12 cm 1550 RPM 25.6 dB

Heatsink Thermalright Assassin X 120 REFINED SE WHITE Photo 1
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Heatsink Thermalright Assassin X 120 REFINED SE WHITE Photo 1
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Heatsink Thermalright Assassin X 120 REFINED SE WHITE Photo 9
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Short description

The Thermalright Assassin X 120 REFINED SE WHITE is a high-performance heatsink with a 12 cm fan, offering a maximum rotational speed of 1550 RPM and a noise level of 25.6 dB. It provides efficient cooling with a maximum airflow of 66.17 cfm and air pressure of 1.53 mmH2O, making it ideal for high-performance CPUs. The fluid dynamic bearing ensures durability and quiet operation.
Warranty: 2 Years
SKU: 11120105
Manufacturer: Thermalright
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Product information

Description

The Thermalright Assassin X 120 REFINED SE WHITE is a compact tower heatsink with a 120 mm fan designed for effective CPU cooling in desktop systems. Built for compatibility with a wide range of modern consumer sockets, it delivers active airflow and static pressure suitable for dissipating heat from high-performance processors. The fan uses a fluid dynamic bearing to extend service life while keeping operational noise low. The cooler combines aluminium fin stacks with a black finish and white fan accents for a neutral aesthetic in many chassis layouts.

Advantages

This cooler provides balanced thermal performance and acoustics, achieving up to 1550 RPM and a rated noise level of 25.6 dB. With a maximum airflow of 66.17 cfm and air pressure of 1.53 mmH2O, it is optimized for maintaining lower CPU temperatures under sustained loads. The fluid dynamic bearing enhances longevity and reduces bearing-related noise over time. Its compact 120 mm fan and tower layout make it suitable for mid-tower and many smaller enclosures without compromising clearance for memory modules or motherboard components.

Suitable for

  • Cooling mainstream and high-performance desktop CPUs in gaming and productivity PCs
  • Systems with limited internal space where a compact tower cooler is required
  • Builds that prioritize a balance between airflow and low acoustic profile
  • Upgrading stock coolers for improved temperature control under sustained loads

Key specifications

  • Fan diameter: 120 mm
  • Maximum fan speed: 1550 RPM
  • Noise level: 25.6 dB (maximum)
  • Maximum airflow: 66.17 cfm
  • Air pressure: 1.53 mmH2O
  • Bearing type: Fluid dynamic bearing
  • Material: Aluminium fin stacks with metal base
  • Colour accents: Black heatsink, white fan elements
  • Supported sockets: AM5, AM4, LGA 1700, LGA 1200, LGA 1156, LGA 1155, LGA 1151, LGA 1150

How to use

Install the heatsink according to the motherboard and cooler manufacturer instructions, ensuring correct socket mounting and even application of thermal paste between CPU heatspreader and cooler base. Mount the 120 mm fan on the heatsink in the intended airflow direction and connect the fan header to a CPU_FAN or compatible PWM header on the motherboard. Confirm clearance for RAM modules and nearby components before final tightening, then power on the system and monitor temperatures and fan speed in BIOS or a hardware monitoring utility to verify proper operation.

Usage recommendations

For reliable cooling and quieter operation, ensure the fan header is configured for PWM control and use a motherboard fan curve that increases speed gradually with CPU temperature. Clean dust from the fin stack and fan periodically to maintain airflow. When used in compact cases, verify front-to-back airflow to avoid recirculation of warm air.

Specifications

Type:
Heatsink/Radiatior
Fan diameter:
120 mm
Supported processor sockets:
Socket AM5, Socket AM4, LGA 1700, LGA 1200 (Socket H5), LGA 1156 (Socket H), LGA 1155 (Socket H2), LGA 1151 (Socket H4), LGA 1150 (Socket H3)
Product colour:
Black, Aluminium
All features

Performance

Type:
Heatsink/Radiatior
Fan diameter:
120 mm
Supported processor sockets:
Socket AM5, Socket AM4, LGA 1700, LGA 1200 (Socket H5), LGA 1156 (Socket H), LGA 1155 (Socket H2), LGA 1151 (Socket H4), LGA 1150 (Socket H3)
Noise level (high speed):
25.6 dB
Rotational speed (max):
1550 RPM
Maximum airflow:
66.17 cfm
Maximum air pressure:
1.53 mmH2O
Bearing type:
Fluid Dynamic Bearing (FDB)
Suitable location:
Processor
Fan speed (max):
1550 RPM
Quantity per pack:
1 pc(s)
Fan noise level (max):
25.6 dB

Design

Product colour:
Black, Aluminium
Number of fans:
1 fan(s)
Number of heat pipes:
4
Fan connector:
4-pin
Number of fan blades:
9

Weight & dimensions

Heat pipes diameter:
6 mm
Radiator width:
46 mm
Radiator depth:
120 mm
Radiator height:
148 mm
Fan weight:
120 g
Fan dimensions (W x D x H):
120 x 120 x 25

Power

Rated current:
0.2 A
Fan current:
0.2 A

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Customer reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Thermalright products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Thermalright service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: type, fan diameter, supported processor sockets, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for Heatsink Thermalright Assassin X 120 REFINED SE WHITE?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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