{{ totalProductsCount }}

In cart {{totalProductsCount}} item(s)

Total:
{{sum | formatAmount}}

Your cart is empty

header-product Air cooler Thermalright Peerless Assassin 120 SE ARGB 12 cm Black 1550 RPM

Air cooler Thermalright Peerless Assassin 120 SE ARGB 12 cm Black 1550 RPM

Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 1
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 2
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 3
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 4
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 5
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 1
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 2
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 3
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 4
Air cooler Thermalright Peerless Assassin 120 SE ARGB Photo 5
Out of stock.
View similar!

Short description

The Thermalright Peerless Assassin 120 SE ARGB is a 12 cm air cooler designed for efficient CPU cooling. It features a maximum rotational speed of 1550 RPM and a maximum air pressure of 1.53 mmH2O. The cooler is equipped with Fluid Dynamic Bearing (FDB) for quiet operation. Its dimensions are 110 mm in width, 125 mm in depth, and 155 mm in height, all in a sleek black finish.
Warranty: 2 Years
SKU: 10887225
Manufacturer: Thermalright
delivery
Information regarding the items availability for purchase will be posted on this site
price
Item cost information will be published on this site
Together cheaper
{{product.price | formatAmount}}
{{product.title}}
{{productBundle.reference.specialPrice | formatAmount}}
{{productBundle.title}}
{{productBundlePreviousPrice | formatAmount}}
{{productBundleSpecialPrice | formatAmount}}

You saving {{productBundleYouSave | formatAmount}}

Product information

Description

The Thermalright Peerless Assassin 120 SE ARGB 12 cm Black 1550 RPM is a compact air cooler engineered for consumer and enthusiast desktop CPUs. This cooler combines a 120 mm fan with Fluid Dynamic Bearing (FDB) for quieter operation, a maximum rotational speed of 1550 RPM and a reported maximum air pressure of 1.53 mmH2O. The unit has a slim footprint with dimensions of 110 mm (W) x 125 mm (D) x 155 mm (H) in a black finish, and is intended to fit a wide range of mainstream processor sockets.

Advantages

The cooler offers a balance of cooling performance and low acoustic output through its 120 mm FDB fan and moderate maximum speed. Its compact dimensions make it suitable for systems with limited clearance while still providing directed airflow over the heatsink. ARGB lighting integration allows synchronization with supported motherboard or controller ecosystems for visual customization. Compatibility with multiple modern and legacy sockets reduces the need for alternative mounting solutions.

Suitable for

  • Compact desktop builds where space is limited
  • Mainstream gaming and productivity systems using supported CPU sockets
  • Upgrades from stock coolers to improve thermal performance and noise
  • Systems requiring ARGB lighting for aesthetic integration

Key specifications

  • Type: Air cooler
  • Fan diameter: 120 mm
  • Maximum fan speed: 1550 RPM
  • Maximum air pressure: 1.53 mmH2O
  • Bearing type: Fluid Dynamic Bearing (FDB)
  • Dimensions (W×D×H): 110 × 125 × 155 mm
  • Weight: 0.73 kg
  • Colour: Black
  • Supported sockets: Socket AM5, Socket AM4, LGA 1700, LGA 1200, LGA 1150/1151/1155/1156

How to use

Install the cooler following the manufacturer’s mounting instructions for the specific CPU socket in use. Prepare the CPU surface and apply an appropriate amount of thermal paste if it is not pre-applied. Secure the heatsink to the motherboard using the included brackets and fasteners, ensuring even pressure across the CPU heatspreader. Connect the fan power cable to the CPU_FAN or designated fan header and connect the ARGB cable to a compatible lighting header or controller for illumination control. Verify fan operation and monitor temperatures after initial startup to confirm correct installation.

Usage recommendations

For reliable operation, ensure adequate case airflow and clearances around the cooler; maintain periodic dust removal from the fan and heatsink fins. When adjusting fan curves or ARGB settings, use motherboard or controller software compatible with the cooler’s connectors. Confirm support for your specific CPU socket before installation.

Specifications

Type:
Air cooler
Fan diameter:
120 mm
Weight:
0.73 kg
Supported processor sockets:
Socket AM5, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, Socket AM4
Product colour:
Black
All features

Performance

Type:
Air cooler
Fan diameter:
120 mm
Supported processor sockets:
Socket AM5, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, Socket AM4
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
Quantity per pack:
1 pc(s)
Fan bearing technology:
Fluid Dynamic Bearing (FDB)

Design

Product colour:
Black
Illumination colour:
Multi
Number of fans:
2 fan(s)
Number of heat pipes:
6
Base plate material:
Copper
Fan connector:
4-pin
Illumination LED:
Yes
LED connector type:
3-pin

Weight & dimensions

Heat pipes diameter:
6 mm
Weight:
0.73 kg
Height:
155 mm
Width:
110 mm
Depth:
125 mm
Fan weight:
120 g
Fan dimensions (W x D x H):
120 x 120 x 25

Power

Fan current:
0.2 A
LED voltage:
5 V

Packaging content

Package type:
Box
Screws included:
Yes

Description

Machine translation. Load original

Similar products

{{product.title}} Show details Hide details

{{highlightedFeature.featureTitle}}:

{{getProductFeatureValueById(product, highlightedFeature.featureId)}}

{{product.price | formatAmount}}
Might be useful
{{product.manufacturerName}}
{{product.categoryName}}
{{product.title}}
{{product.specialPrice}}
{{product.price}}

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, weight, 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 Air cooler Thermalright Peerless Assassin 120 SE ARGB?

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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
shipping
Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.