# ARCTIC Liquid Freezer III Pro 420 All-in-One CPU Water Cooler, 120mm Fans, Black

**URL:** https://aio.lv/en/product--arctic-cooling-548779--12409979
**Data updated:** 2026-05-09 16:16 (EEST)
**Category:** CPU Coolers & PC Cooling Systems
**Manufacturer:** arctic cooling
**Manufacturer code:** 548779
**EAN:** 4895265000348
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 115.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 95.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--arctic-cooling-548779--12409979

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The ARCTIC Liquid Freezer III Pro 420 is a high-performance all-in-one liquid cooling kit designed for efficient CPU thermal management. It features 120 mm fans with Fluid Dynamic Bearings for quiet operation and high airflow of 186 m³/h. Compatible with Intel LGA 1700 and AMD AM4/AM5 sockets, this black cooling solution ensures optimal system stability and performance for demanding computing tasks.

## Long description

The ARCTIC Liquid Freezer III Pro 420 is a high-performance all-in-one liquid cooling solution designed to provide efficient thermal management for modern processors. This maintenance-free system combines a large radiator with high-quality fans to ensure stable temperatures even under heavy workloads, making it a reliable choice for users seeking effective heat dissipation without the complexity of custom water cooling loops.
Advantages
This liquid cooling kit offers exceptional thermal performance, allowing processors to maintain optimal operating temperatures during intensive tasks. The inclusion of fans with Fluid Dynamic Bearings ensures a balance between high airflow and quiet operation, contributing to a more comfortable computing environment. Its all-in-one design simplifies the installation process, providing a robust cooling solution that is ready to use straight out of the box without the need for additional maintenance.
Suitable for
High-performance gaming PCs
Workstations used for video editing and rendering
Systems requiring stable cooling for overclocked processors
Users looking for a reliable and maintenance-free liquid cooling upgrade
When it may not be suitable
This cooler features a large 420 mm radiator, which may not fit in smaller PC cases or compact form factor builds. Please ensure your computer chassis has sufficient space to accommodate the radiator and fan assembly before attempting installation.
Key specifications
Type: Liquid cooling kit
Fan diameter: 120 mm
Airflow: 186 m³/h
Bearing type: Fluid Dynamic Bearing
Supported sockets: Intel LGA 1700, AMD AM4, AMD AM5
Colour: Black
How to use
To install the ARCTIC Liquid Freezer III Pro 420, first ensure your motherboard is compatible with the supported socket types. Secure the radiator to the appropriate mounting points within your PC case, ensuring there is adequate clearance for airflow. Attach the water block to the CPU using the provided mounting hardware, ensuring even pressure and proper thermal paste application. Connect the fan and pump cables to the designated headers on your motherboard to enable pulse-width modulation control for automated speed adjustments.
What to consider before purchase
Verify that your PC case supports a 420 mm radiator size
Check motherboard clearance for the water block and tubing
Ensure your power supply unit has sufficient capacity for the cooling system
Usage recommendations: For the best thermal results, ensure the radiator is mounted in a position that allows for unobstructed airflow and regularly clean the fan blades and radiator fins to prevent dust accumulation.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Type | Liquid cooling kit |
| Fan diameter | 120 mm |
| Supported processor sockets | LGA 1700, Socket AM4, Socket AM5 |
| Maximum airflow | 110 cfm |
| Airflow | 186 m³/h |
| 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 |
| Fan speed (max) | 2500 RPM |
| Fan speed (min) | 400 RPM |
| Quantity per pack | 1 pc(s) |
| Fan static pressure | 5.2 mmH2O |
| VRM fan speed (max) | 2500 RPM |
| VRM fan speed (min) | 400 RPM |

### Design

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 2.37 kg |
| Package weight | 2994 g |
| 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 | 450 mm |
| Fan dimensions (W x D x H) | 120 x 120 x 25 |
| Tube inner diameter | 6 mm |
| Pump width | 91 mm |
| Pump depth | 108.5 mm |
| Pump height | 68.5 mm |
| VRM fan diameter | 91 mm |

### Power

| Feature | Value |
|---|---|
| Pump voltage | 12 |
| Pump current | 350 mA |
| Fan voltage | 12 V |
| Fan current | 0.35 A |

### Packaging content

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

## FAQ

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

The price is 115.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 80 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 01.07.2026 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 CPU Water 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 CPU Water 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/12409979/68708281_large.webp