ARCTIC FREEZER III PRO 420MM COOLER
£86.81 inc VAT
37 in stock
More Ways to Pay
-
Buy now, pay later with Klarna
-
Pay in 3 interest-free payments with PayPal
About This Item
- Triple 140 mm ARGB fans for high airflow cooling
- Compatible with LGA 1700, LGA 1851, AM4, and AM5 sockets
- Aluminum radiator with copper base plate for efficient heat transfer
- FDB fans with PWM support, 400-2500 RPM variable speed
- Integrated VRM fan and pump with 800-2800 RPM range
- Multi-colour ARGB illumination via 3-pin + 3-pin connectors
- Maintenance-free all-in-one liquid cooling solution
1-3 Days
Delivery on orders over £100
£5.80
Free
Payment Methods:
You may also like
ARCTIC Liquid Freezer III Pro 420 | Premium RGB AIO Cooler
The ARCTIC Liquid Freezer III Pro 420 A-RGB Multi Compatible All-in-One CPU Water Cooler with A-RGB delivers exceptional liquid cooling performance for high-end gaming and workstation builds. This premium AIO cooler combines powerful thermal management with striking RGB aesthetics, supporting the latest AMD and Intel sockets including LGA 1700, LGA 1851, AM4, and AM5.
Key Specifications
| Metric | Spec |
|---|---|
| Radiator Size | 420mm (triple 140mm fans) |
| Fan Bearing Type | Fluid Dynamic Bearing (FDB) |
| Supported Sockets | LGA 1700, LGA 1851, AM4, AM5 |
| Maximum Airflow | 186 m³/h |
| VRM Fan | Included for motherboard cooling |
Advanced Cooling Architecture
The Liquid Freezer III Pro 420 features a high-density aluminum radiator paired with three 140mm ARGB fans that deliver up to 110 CFM of airflow. The fluid dynamic bearing fans operate between 400-2500 RPM with PWM control, ensuring whisper-quiet operation at low loads while providing maximum cooling under heavy workloads. The pump motor spins between 800-2800 RPM, maintaining optimal coolant circulation through the copper base plate for superior heat transfer from your CPU.
Integrated VRM Fan Cooling
A standout feature of this Pro model is the integrated VRM fan that mounts directly to the radiator. This dedicated fan cools your motherboard’s voltage regulator modules, preventing thermal throttling during extended gaming sessions or intensive rendering tasks. The VRM fan shares the same 400-2500 RPM range and fluid dynamic bearing technology as the main radiator fans, creating a comprehensive cooling solution that protects both your processor and supporting components.
Dynamic RGB Lighting
The ARGB lighting system offers customizable multi-colour illumination across all fans and the pump housing. With 3-pin + 3-pin LED connectors and 5V operation, the lighting integrates seamlessly with major motherboard RGB control software including ASUS Aura Sync, MSI Mystic Light, and Gigabyte RGB Fusion. The dynamic lighting effects can be synchronized with your entire build for a cohesive aesthetic, or set to static colours that match your system’s theme.
Box Contents
- ARCTIC Liquid Freezer III Pro 420 radiator unit
- Three 140mm ARGB fans with anti-vibration pads
- Integrated VRM fan assembly
- Mounting hardware for supported sockets
- Thermal paste (pre-applied)
- 50cm tubing with 6mm inner diameter
- PWM Y-splitter cable
- ARGB connector and extension cables
Check before you buy
- Confirm your CPU socket compatibility (LGA 1700, LGA 1851, AM4, AM5)
- Verify your case supports 420mm radiator mounting
- Check available clearance for triple-fan radiator setup
- Confirm your motherboard supports ARGB 5V 3-pin headers
Frequently Asked Questions
Q: Is this cooler compatible with Intel’s latest 14th generation CPUs?
A: Yes, it supports LGA 1851 which covers Intel’s 14th generation processors.
Q: Can I control the fan speeds manually?
A: Yes, the PWM fans support manual speed control through your motherboard’s fan headers.
Q: Does the RGB lighting require special software?
A: No, it works with standard ARGB 5V 3-pin headers and is compatible with major motherboard RGB control software.
Q: What is the total power consumption?
A: The pump uses 12V at 0.35A, while each fan uses 12V at 0.35A.
Q: Is the cooler pre-filled with coolant?
A: Yes, this is a maintenance-free sealed system with pre-filled coolant.
The Consultant’s verdict & warranty
The ARCTIC Liquid Freezer III Pro 420 represents excellent value for enthusiasts building high-performance systems who want comprehensive cooling without the complexity of custom loops. The integrated VRM fan provides unique protection for your motherboard components, while the triple-fan 420mm radiator delivers exceptional thermal performance for overclocked CPUs. Covered by the standard Manufacturer Warranty, this cooler is ideal for gaming rigs, content creation workstations, and anyone pushing their processor to its limits.
| Performance | |
|---|---|
| Suitable location | Processor |
| Fan connector | 4-pin |
| Pulse-width modulation (PWM) support | Yes |
| Rotational speed (min) | 400 RPM |
| Rotational speed (max) | 2500 RPM |
| Bearing type | Fluid Dynamic Bearing (FDB) |
| Type | All-in-one liquid cooler |
| Operating temperature (T-T) | 0 - 40 °C |
| Fan diameter | 14 cm |
| Supported processor sockets | LGA 1700, LGA 1851, Socket AM4, Socket AM5 |
| Maximum airflow | 110 cfm |
| Maximum air pressure | 5.2 mmH2O |
| Airflow | 186 m³/h |
| Number of fans | 3 fan(s) |
| VRM fan speed (min) | 400 RPM |
| VRM fan speed (max) | 2500 RPM |
| Pump motor speed (min) | 800 RPM |
| Pump motor speed (max) | 2800 RPM |
| Design | |
| Fan connector | 4-pin |
| Number of fans | 3 fan(s) |
| Illumination colour | Multi |
| Product colour | Black |
| Illumination LED | Yes |
| Radiator material | Aluminum |
| Base plate material | Copper |
| LED connector type | 3-pin + 3-pin |
| Technical details | |
| Type | All-in-one liquid cooler |
| Fan diameter | 14 cm |
| Supported processor sockets | LGA 1700, LGA 1851, Socket AM4, Socket AM5 |
| Maximum airflow | 110 cfm |
| Maximum air pressure | 5.2 mmH2O |
| Airflow | 186 m³/h |
| Number of fans | 3 fan(s) |
| Fan connector | 4-pin |
| Illumination LED | Yes |
| Ports & interfaces | |
| Fan connector | 4-pin |
| Power | |
| LED voltage | 5 V |
| Pump voltage | 12 V |
| Pump current | 0.35 mA |
| Fan voltage | 12 V |
| Fan current | 0.35 A |
| Operational conditions | |
| Operating temperature (T-T) | 0 - 40 °C |
| Colour | |
| Product colour | Black |
| Weight & dimensions | |
| Package depth | 447 mm |
| Package width | 328 mm |
| Package height | 158 mm |
| Width | 458 mm |
| Package weight | 2.98 kg |
| Depth | 68 mm |
| Height | 138 mm |
| Weight | 2.36 kg |
| Radiator width | 13.8 cm |
| Radiator depth | 45.8 cm |
| Radiator height | 3.8 cm |
| Tube length | 50 cm |
| Tube inner diameter | 6 mm |
| Tube diameter | 1.24 cm |
| Packaging data | |
| Package depth | 447 mm |
| Package width | 328 mm |
| Package height | 158 mm |
| Package weight | 2.98 kg |
| Indication | |
| Illumination colour | Multi |
| Other features | |
| LED voltage | 5 V |
| Identifiers | |
| Distributor SKUs | CLACFRE00185A |
| Additional EANs | 0840033403023 |
Reviews
Clear filtersThere are no reviews yet.