Arctic Liquid Freezer II 420 A-RGB CPU AIO Water Cooler
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Arctic Liquid Freezer II 420 A-RGB is a premium 420mm AIO CPU cooler with 3x 140mm P14 PWM A-RGB fans, thick 38mm radiator, and award-winning PWM pump for superior cooling, low noise (0.3 Sone), and unlimited RAM clearance. Supports Intel LGA1700/AM5.
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The Arctic Liquid Freezer II 420 A-RGB combines the proven, award-winning PWM-controlled pump from the Liquid Freezer II series with three high-performance P14 PWM A-RGB 140mm fans optimized for static pressure. This 420mm all-in-one liquid cooler delivers exceptional thermal performance with extremely low noise levels (0.3 Sone) and a stunning ARGB aesthetic that syncs with motherboard lighting.
Featuring a thick 38mm radiator (458 x 138 x 38 mm), 450mm sleeved tubes, and integrated cable management, it ensures clean builds and top-tier cooling for high-end CPUs. The unique VRM cooling fan on the pump block provides extra airflow to motherboard components. Compatible with modern sockets including Intel LGA1700/1200/115X and AMD AM5/AM4, with unlimited RAM clearance and 6-year warranty.
- 420mm radiator with 3x 140mm ARGB fans (200-1900 RPM, 68.9 CFM)
- Award-winning PWM pump for optimal flow and quiet operation
- VRM fan for additional motherboard cooling
- Supports Intel LGA1700, 1200, 115X, 2011-3*, 2066* & AMD AM5/AM4
- 6-year warranty, 0-40°C ambient operation
| Radiator Dimensions | 458 x 138 x 38 mm |
| Pump Dimensions | 98 x 78 x 53 mm (w/o tubes) |
| Tube Length | 450 mm |
| Tube Diameter | Outer: 12.4 mm | Inner: 6.0 mm |
| Fan Model | 3x ARCTIC P14 PWM A-RGB 140 mm |
| Fan Speed | 200–1900 RPM (PWM) |
| Fan Airflow | 68.9 CFM |
| Fan Noise | 0.3 Sone |
| Weight (Total) | 2019 g |
| Intel Sockets | LGA1700, LGA1200, LGA115X, LGA2011-3*, LGA2066* |
| AMD Sockets | AM5, AM4 |
| RAM Clearance | Unlimited |
| Warranty | 6 Years |
| Operating Temperature | 0–40 °C |
| Fan Bearing | Fluid Dynamic Bearing |
| Voltage/Current | 0.17 A / 12 V DC |