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header-product Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB
185.99 €

Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB

Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB Photo 1
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Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB Photo 1
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Short description

The ARCTIC Liquid Freezer II 420 RGB is a multi-compatible all-in-one CPU water cooler featuring a 14 cm fan with a rotational speed of 200 to 1800 RPM. It operates at a noise level of just 0.3 sone and provides a maximum airflow of 68.9 CFM (117.06 m³/h). The cooler is designed with Fluid Dynamic Bearing (FDB) for enhanced durability and performance. Its sleek black design and RGB lighting add a stylish touch to your build.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 4325745
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From 4.99 € (Weight: 3.01 kg)
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Product information

Description

The ARCTIC Liquid Freezer II 420 RGB is an all-in-one liquid cooling kit for CPUs that combines high cooling performance with simple, maintenance-free operation. It includes a 420 mm radiator and three 140 mm fans with RGB lighting, and is compatible with a wide range of current processor sockets. The cooler features a Fluid Dynamic Bearing (FDB) fan design, low noise output and a compact, black finish suitable for modern PC builds.

Advantages

The Liquid Freezer II 420 RGB delivers effective heat dissipation through an integrated liquid loop without requiring user maintenance. Its 140 mm fans offer adjustable rotational speeds from 200 to 1800 RPM and a maximum airflow of 68.9 CFM (117.06 m³/h) while maintaining a low noise level of 0.3 sone. The FDB fans increase durability and stable performance, and RGB lighting provides visual customization.

Suitable for

  • High-performance gaming PCs
  • Workstations for content creation and rendering
  • Silent or compact builds where efficient cooling is required

Key specifications

  • Type: Liquid cooling kit
  • Fan diameter: 140 mm
  • Fan speed: 200–1800 RPM
  • Maximum airflow: 68.9 CFM (117.06 m³/h)
  • Noise level: 0.3 sone
  • Bearing type: Fluid Dynamic Bearing (FDB)
  • Supported sockets: AM5, AM4, AM3+, AM3, LGA 2066, LGA 1150, LGA 1151, LGA 1155, LGA 1156, LGA 1200, LGA 1700, LGA 2011-v3
  • Colour: Black
  • Weight: 2.019 kg

How to use

Install the radiator and fans in a compatible PC case radiator mount (typically top or front), secure the pump/block unit to the CPU following the included mounting brackets for the target socket, and connect the fan, pump and RGB headers to the motherboard or supplied controller. Ensure correct airflow orientation and cable routing. Refer to the manufacturer’s manual for socket-specific mounting steps and torque recommendations.

Usage recommendations

Use the ARCTIC Liquid Freezer II 420 RGB in cases that support a 420 mm radiator and ensure good case airflow. Periodically check fan and pump connections and update motherboard RGB/fan control settings for optimal performance. Do not open the sealed cooling loop; the unit is maintenance-free.

Specifications

Type:
Liquid cooling kit
Fan diameter:
140 mm
Weight:
2.019 kg
Supported processor sockets:
Socket AM5, Socket AM4, Socket AM3+, Socket AM3, LGA 2066, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, LGA 2011-v3 (Socket R)
Product colour:
Black
All features

Performance

Type:
Liquid cooling kit
Fan diameter:
140 mm
Supported processor sockets:
Socket AM5, Socket AM4, Socket AM3+, Socket AM3, LGA 2066, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, LGA 2011-v3 (Socket R)
Rotational speed (min):
200 RPM
Rotational speed (max):
1800 RPM
Maximum airflow:
68.9 cfm
Airflow:
117.06 m³/h
Bearing type:
Fluid Dynamic Bearing (FDB)
Pulse-width modulation (PWM) support:
Yes
Noise level:
0.3 sone
Suitable location:
Processor
Pump motor speed (max):
2000 RPM
Pump motor speed (min):
800 RPM
Fan speed (max):
1900 RPM
Fan speed (min):
200 RPM
Quantity per pack:
1 pc(s)
Pump connector:
4-pin
Fan static pressure:
2 mmH2O
VRM fan speed (max):
3000 RPM
VRM fan speed (min):
1000 RPM

Design

Product colour:
Black
Number of fans:
3 fan(s)
Fan connector:
4-pin
Radiator material:
Aluminum
Illumination LED:
Yes
Number of LEDs:
12
Number of fan blades:
5

Weight & dimensions

Weight:
2.019 kg
Package weight:
2788 g
Package depth:
447 mm
Package height:
328 mm
Package width:
158 mm
Tube diameter:
12.4 mm
Radiator width:
53 mm
Radiator depth:
458 mm
Radiator height:
138 mm
Tube length:
450 mm
Fan dimensions (W x D x H):
140 x 140 x 27
Tube inner diameter:
6 mm
Pump width:
53 mm
Pump depth:
78 mm
Pump height:
98 mm
VRM fan diameter:
40 mm

Power

Fan voltage:
12 V
Fan current:
0.17 A
Pump power consumption:
0.5 W
LED voltage:
12 V
VRM fan power consumption:
2.7 W

Packaging content

Package type:
Box
Mounting kit:
Yes
Thermal pad included:
Yes
CPU bracket(s):
Yes
RGB controller included:
Yes
LED controller:
Yes
LED controller interface:
4-Pin

Other features

Country of origin:
China

Logistics data

Harmonized System (HS) code:
84733080

Description

Machine translation. Load original

Reasons to buy

Light up your build

The Liquid Freezer II RGB combines the efficient, award-winning PWM pump of the Liquid Freezer II with new RGB fans optimized for static pressure. This gives you a fresh aesthetic with very low noise and equally low temperatures. LIGHT UP YOUR BUILD

Efficient, in-house developed pump

Unlike many competitors, we went to great lengths to develop the water pump. The result is much reduced humming and higher efficiency. Like the other components, the pump is PWM controlled. This results in significantly lower noise at low and typical loads, and much lower power consumption: a maximum of 0.9 W at no load, 2.5 W under typical load and up to 5.3 W under full load for the entire AiO. EFFICIENT, IN-HOUSE DEVELOPED PUMP

Premium class radiator

Unlike most other all-in-one liquid cooling manufacturers, we use 38 mm thick radiators with a high fin density. This allows a larger amount of water in the circuit and significantly increases the cooling surface.

Water has a much higher heat capacity than aluminum or copper. This leads to a slower and up to 5 °C lower temperature rise in the temporary turbo mode of modern CPUs. PREMIUM CLASS RADIATOR

Smooth VRM fan

Small fans often have a reputation for being loud and less durable. We developed a quiet and durable diagonal fan specifically for the Liquid Freezer II and are fully convinced this 40 mm fan is as durable as our other case fans. In the unlikely event of failure, our customer service will send you a free replacement easily, without replacing the entire unit.

The fan is PWM-controlled and can cool your voltage regulators and the base area almost inaudibly by up to 15 °C. This is especially effective for overclocking, insufficient VRM cooling or cases with poor airflow, allowing sustained high loads. If sufficient VRM cooling is already available, the fan can be switched off. SMOOTH VRM FAN

High quality hoses with integrated cable management

The fiber-reinforced, long EPDM tubing of the Liquid Freezer II enables installation even in large cases and effectively prevents the cooling liquid from evaporating, so you do not need to worry about refilling the compact water cooling system.

It also conceals the cables of your radiator fans thanks to a sophisticated cable management system. You only need to connect two plugs to the motherboard, saving valuable installation time. In the end, you won't have extra visible cables and the view is reduced to the essentials. HIGH QUALITY HOSES WITH INTEGRATED CABLE MANAGEMENT

Fan optimized for static pressure

The illuminated P-fans are pre-mounted on the compact water cooling system and offer the following advantages:

• High static pressure for improved cooling performance | 2 mm H2O
• Extended speed range | 200 - 1900 rpm (1800 rpm on the radiator)
• Low power consumption | 0.17 A (0.2 A LEDs)
• Less vibration and rubber bumpers | reduced by > 95%
• Improved lifetime | 6 years warranty
• High quality plain bearing
• PWM for synchronous pump/fan control
• RGB sharing for synchronous lighting Fan optimized on static pressure

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Customer reviews

Customer questions

FAQ

How much does the Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB cost, and is it available for purchase?

The price is 185.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 09.07.2026 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 Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 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 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 Liquid cooling kit ARCTIC Liquid Freezer II 420 RGB?

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.
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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.
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