# Thermalright Peerless Assassin 120 SE Processor Heatsink 12 cm Black

**URL:** https://aio.lv/en/product--thermalright-419043--10471678
**Data updated:** 2025-12-30 08:42 (EET)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** Thermalright
**Manufacturer code:** 419043
**EAN:** 0814256003759
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.49 €
**Prices and availability valid until:** 2026-08-04 23:59
**Price without VAT (21%):** 36.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--thermalright-419043--10471678

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The Thermalright Peerless Assassin 120 SE is a 12 cm black heatsink designed for efficient cooling of processors. It features a dual tower design for improved heat dissipation and comes with a 120 mm fan for optimal airflow. This heatsink is compatible with a wide range of CPU sockets, making it a versatile choice for various builds.

## Long description

The Thermalright Peerless Assassin 120 SE is a 120 mm black processor heatsink designed to provide effective CPU cooling. It uses a dual-tower heatsink arrangement combined with a 120 mm fan to improve heat dissipation while remaining compact enough for many builds. The cooler supports a wide range of Intel and AMD sockets, including LGA 115x/1200/1700 and AM4/AM5.
Advantages
The Peerless Assassin 120 SE offers a balanced combination of size and cooling performance, featuring a sealed precision FDB-bearing 120 mm fan that delivers up to 66.17 CFM airflow and up to 1.53 mmH2O static pressure. The dual-tower heatsink and effective fan pairing provide reliable heat transfer without excessive height, and the all-black finish fits a variety of system aesthetics.
Suitable for
Cooling mainstream desktop CPUs in compact and mid-tower cases
Upgrading stock coolers for improved thermal performance
Systems using Intel LGA 115x/1200/1700 or AMD AM4/AM5 sockets
Key specifications
Type: Heatsink / Radiator
Fan diameter: 120 mm
Maximum airflow: 66.17 CFM
Maximum air pressure: 1.53 mmH2O
Bearing type: Sealed Precision FDB
Dimensions (W × D × H): 110 × 125 × 155 mm
Weight: 0.73 kg
Supported sockets: Socket AM5, Socket AM4, LGA 1700, LGA 1200, LGA 1156, LGA 1155, LGA 1151, LGA 1150
Colour: Black
How to use
Install the heatsink following the manufacturer’s mounting instructions for the specific CPU socket. Apply a thin, even layer of thermal paste on the CPU heatspreader, secure the cooler to the motherboard with the included mounting hardware, and connect the fan to the CPU\_FAN or system fan header. Ensure there is adequate clearance in the case for the cooler dimensions and that airflow inside the case is not obstructed.
Usage recommendations
For optimal cooling, position case intake and exhaust fans to create a directed airflow path across the Peerless Assassin 120 SE. Check compatibility with memory modules and VRM heatsinks to ensure the cooler does not interfere with adjacent components.

## Specifications

### Performance

| Feature | Value |
|---|---|
| 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) |
| Maximum airflow | 66.17 cfm |
| Maximum air pressure | 1.53 mmH2O |
| Bearing type | Sealed Precision FDB |
| Suitable location | Processor |
| Fan speed (max) | 1550 RPM |
| Quantity per pack | 1 pc(s) |
| Fan noise level (max) | 25.6 dB |

### Design

| Feature | Value |
|---|---|
| Product colour | Black |
| Number of heat pipes | 6 |
| Fan connector | 4-pin |
| Radiator material | Copper |

### 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 |
|---|---|
| Rated current | 0.2 A |

## FAQ

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

The price is 44.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 599 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 20.07.2026 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.

## Image

https://aio.lv/img/cache/product/10471678/56555519_large.webp