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

**URL:** https://aio.lv/en/product--thermalright-peerless-assassin-120-se-white-argb--11120113
**Data updated:** 2026-01-14 13:09 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** Thermalright
**Manufacturer code:** Peerless Assassin 120 SE White Argb
**EAN:** 814256014489
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 48.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 40.49 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--thermalright-peerless-assassin-120-se-white-argb--11120113

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Thermalright Peerless Assassin 120 SE ARGB is a 12 cm air cooler featuring 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. The cooler is designed with Fluid Dynamic Bearing technology for enhanced durability and performance. Its sleek white design adds aesthetic appeal to any build.

## Long description

The Thermalright Peerless Assassin 120 SE ARGB 12 cm White 1550 RPM is an air cooler designed for desktop processors. It combines a 120 mm fan with Fluid Dynamic Bearing technology, a maximum rotational speed of 1550 RPM and a reported noise level of 25.6 dB to provide balanced cooling and quiet operation. The cooler delivers a maximum airflow of 66.17 cfm and an air pressure of 1.53 mmH2O, and its white finish with ARGB lighting is intended to integrate visually with light-themed builds.
Advantages
The cooler uses a 120 mm fan with Fluid Dynamic Bearing for improved bearing life and stable performance. With a maximum speed of 1550 RPM it achieves up to 66.17 cfm airflow and 1.53 mmH2O air pressure while maintaining a low noise figure of 25.6 dB. The white product colour and ARGB lighting offer aesthetic compatibility for modern PC builds. Its compact footprint and 0.73 kg weight make it suitable for a wide range of tower layouts and case sizes.
Suitable for
Cooling mainstream desktop CPUs in compact and mid-tower systems
Systems that require quiet operation with moderate airflow
Builds prioritizing a white aesthetic and ARGB illumination
Motherboards and sockets listed as supported, including modern Intel and AMD platforms
Key specifications
Type: Air cooler
Fan diameter: 120 mm
Maximum fan speed: 1550 RPM
Noise level: 25.6 dB
Maximum airflow: 66.17 cfm
Air pressure: 1.53 mmH2O
Bearing type: Fluid Dynamic Bearing
Weight: 0.73 kg
Product colour: White with ARGB lighting
Supported sockets: Socket AM5, Socket AM4, LGA 1700, LGA 1200, LGA 1150, LGA 1151, LGA 1155, LGA 1156
How to use
Install the cooler following the motherboard and cooler manufacturer instructions for the supported socket. Mount the unit on the CPU socket with appropriate mounting hardware, apply thermal paste according to paste manufacturer guidance or the cooler's instructions, and secure the heatsink and fan. Connect the fan power cable to the CPU fan or system fan header and the ARGB connector to a compatible lighting header or controller. Verify that the fan spins and that ARGB lighting functions before closing the case.
Usage recommendations
For best results, ensure adequate case airflow by pairing the Peerless Assassin 120 SE ARGB with intake and exhaust fans; monitor CPU temperatures after installation and adjust fan curves in BIOS or software to balance noise and cooling performance.

## Specifications

### Performance

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Product colour | White |
| 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

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Fan current | 0.2 A |
| LED voltage | 5 V |

### Packaging content

| Feature | Value |
|---|---|
| Package type | Box |
| Screws included | Yes |

## FAQ

### How much does the Air cooler Thermalright Peerless Assassin 120 SE ARGB cost, and is it available for purchase?

The price is 48.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

## Image

https://aio.lv/img/cache/product/11120113/61829340_large.webp