# ARCTIC Liquid Freezer III Pro 420 A-RGB White All-in-One CPU Water Cooler

**URL:** https://aio.lv/en/product--arctic-cooling-548783--12409981
**Data updated:** 2026-05-09 16:16 (EEST)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** arctic cooling
**Manufacturer code:** 548783
**EAN:** 4895265000362
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 127.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 105.78 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--arctic-cooling-548783--12409981

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

The ARCTIC Liquid Freezer III Pro 420 A-RGB is a high-performance all-in-one CPU liquid cooler featuring a 420mm radiator and three 140mm A-RGB fans. Designed for efficient thermal management, it supports LGA 1700, AM4, and AM5 sockets. With a fan speed range of 400 to 2500 RPM and Fluid Dynamic Bearings, it ensures quiet operation and optimal airflow for demanding PC builds. The white aesthetic provides a clean look for modern gaming systems.

## Long description

The ARCTIC Liquid Freezer III Pro 420 A-RGB is a high-performance all-in-one liquid CPU cooler designed to provide efficient thermal management for modern computer systems. Featuring a large 420mm radiator and three 140mm A-RGB fans, this unit is engineered to handle high thermal loads while maintaining a clean, white aesthetic suitable for contemporary PC builds.
Advantages
This all-in-one cooling solution offers exceptional thermal dissipation capabilities, ensuring that your processor remains within optimal temperature ranges even under heavy workloads. The inclusion of Fluid Dynamic Bearings in the fans promotes long-term reliability and quiet operation. Furthermore, the system is completely maintenance-free, eliminating the need for fluid refills or complex assembly associated with custom water cooling loops.
Suitable for
High-performance gaming PCs
Workstations requiring stable thermal management
Systems using LGA 1700, AM4, or AM5 processor sockets
PC builds with a white color theme
When it may not be suitable
This cooler may not be suitable for small form factor cases that lack the physical space to accommodate a 420mm radiator. Users should verify their computer case dimensions before purchase to ensure compatibility.
Key specifications
Type: All-in-one liquid cooler
Fan diameter: 140 mm
Rotational speed: 400 to 2500 RPM
Airflow: 186 m³/h
Maximum air pressure: 5.2 mmH2O
Bearing type: Fluid Dynamic Bearing
Supported sockets: LGA 1700, AM4, AM5
Dimensions: 458 x 68 x 138 mm
How to use
Installation involves mounting the radiator to the designated fan slots in your PC case and securing the water block onto the processor socket using the provided mounting hardware. Ensure that the pump and fan cables are connected to the appropriate headers on your motherboard to allow for pulse-width modulation control. Once installed, the A-RGB lighting can be synchronized with your motherboard software for customized visual effects.
What to consider before purchase
Check if your PC case supports a 420mm radiator mounting position
Verify that your motherboard socket is compatible with the listed supported types
Ensure there is sufficient clearance for the radiator and fan assembly within the chassis
Usage recommendations: For the best performance, ensure the radiator is mounted in a position that allows for proper airflow and that the pump speed is set to a constant level in your BIOS settings to maintain consistent liquid circulation.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Type | All-in-one liquid cooler |
| Fan diameter | 140 mm |
| Supported processor sockets | LGA 1700, Socket AM4, Socket AM5 |
| Rotational speed (min) | 400 RPM |
| Rotational speed (max) | 2500 RPM |
| Maximum airflow | 110 cfm |
| Airflow | 186 m³/h |
| Maximum air pressure | 5.2 mmH2O |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Pulse-width modulation (PWM) support | Yes |
| Operating temperature (T-T) | 0 - 40 |
| Suitable location | Processor |
| Pump motor speed (max) | 2800 RPM |
| Pump motor speed (min) | 800 RPM |
| VRM fan speed (max) | 2500 RPM |
| VRM fan speed (min) | 400 RPM |

### Design

| Feature | Value |
|---|---|
| Product colour | White |
| Illumination colour | Multi |
| Number of fans | 3 fan(s) |
| Base plate material | Copper |
| Fan connector | 4-pin |
| Radiator material | Aluminum |
| Illumination LED | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2.358 kg |
| Package weight | 2982 g |
| Height | 138 mm |
| Width | 458 mm |
| Depth | 68 mm |
| Package depth | 447 mm |
| Package height | 158 mm |
| Package width | 328 mm |
| Tube diameter | 12.4 mm |
| Radiator width | 138 mm |
| Radiator depth | 458 mm |
| Radiator height | 38 mm |
| Tube length | 500 mm |
| Tube inner diameter | 6 mm |

### Power

| Feature | Value |
|---|---|
| Pump voltage | 12 |
| Pump current | 0.35 mA |
| Fan voltage | 12 V |
| Fan current | 0.35 A |
| LED voltage | 5 V |

### Packaging content

| Feature | Value |
|---|---|
| Package type | Box |

## FAQ

### How much does the ARCTIC Liquid Freezer III Pro 420 A-RGB White CPU Cooler cost, and is it available for purchase?

The price is 127.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 07.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can ARCTIC Liquid Freezer III Pro 420 A-RGB White CPU Cooler be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 arctic cooling 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 arctic cooling 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 ARCTIC Liquid Freezer III Pro 420 A-RGB White CPU Cooler?

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/12409981/68708252_large.webp