Arctic Liquid Freezer III Pro 420mm A-RGB All-in-One CPU Liquid Cooler White
The Arctic Liquid Freezer III Pro 420mm A-RGB All-in-One CPU Liquid Cooler White is a 420 mm AIO with an aluminium radiator, three P14 Pro A-RGB fans (400–2500 rpm) and a PWM-controlled pump (800–2800 rpm) over a copper cold plate with micro skived fins. It supports Intel LGA1851 and LGA1700 and AMD AM5 and AM4.
It suits white or A-RGB builds that need a large radiator for high-end processors under sustained loads such as gaming, rendering or long compile jobs. It also has a PWM-controlled VRM fan that moves air over the area around the socket. Browse more AIO liquid coolers if you need a smaller radiator size.
Highlights
- 420 mm aluminium radiator, 458 x 138 x 38 mm
- 3x P14 Pro A-RGB fans, 400–2500 rpm
- PWM-controlled pump, 800–2800 rpm
- Copper cold plate with micro skived fins
- PWM-controlled VRM fan, 400–2500 rpm
- Supports Intel LGA1851, LGA1700 and AMD AM5, AM4
Best for
- High-end Intel LGA1851/LGA1700 or AMD AM5/AM4 processors under sustained heavy loads
- White-themed or A-RGB-lit gaming builds
- Large cases with room for a 420 mm radiator
- Workstations running long rendering or encoding jobs
Specifications
| Type | All-in-One CPU Water Cooler (AIO) |
|---|---|
| Compatibility Intel | LGA1851, LGA1700 |
| Compatibility AMD | AM5, AM4 |
| Radiator Dimensions | 458 (L) x 138 (W) x 38 (H) mm |
| Radiator Material | Aluminium |
| Radiator Fan | 3x P14 Pro A-RGB |
| Fan Speed | 400–2500 rpm |
| Tube Length | 500 mm |
| Pump | 800—2800 rpm (PWM controlled) |
| Cold Plate | Copper, Micro Skived Fins |
| VRM Fan | 400—2500 rpm (PWM controlled) |
| Weight | 2358 g |
Compatibility and related parts
Before buying, make sure your case lists support for a 420 mm radiator and has room for the 458 mm long, 38 mm thick radiator plus the fans. The 500 mm tubes also need to reach from the mounting spot to the CPU. Browse PC cases with 420 mm radiator support, and pick from processors (CPUs) on LGA1851, LGA1700, AM5 or AM4. Add thermal paste and pads if you plan to remount the cooler. The PC builder checks compatibility for you, and assembly and testing are free when the cooler is part of a PC build.
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Warranty
Warranty
- All products come with a 1-year official local warranty, unless mentioned otherwise.
- Accessories (such as cables, covers, power banks, etc.) are not covered under warranty.
- Please check your item at the time of delivery—you may refuse the order if you notice any damage.
- The warranty provided is an official local manufacturer warranty.
- Apple products include both local and international warranty, as per Apple’s policy.
Shipping & Returns
Shipping & Returns
• Shipping: Orders are processed within 0–2 business days. Standard delivery takes 0–5 business days depending on your location.
• Returns: You may return or exchange products within 10 days of receiving your order. Items must be in original condition with proof of purchase.
If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
No advance payments required—even for preorders. Pay on delivery or cancel anytime, hassle-free.
FAQs
Which CPU sockets does the Arctic Liquid Freezer III Pro 420 support?
Which CPU sockets does the Arctic Liquid Freezer III Pro 420 support?
Will it fit in my case?
Will it fit in my case?
What fans come on the radiator?
What fans come on the radiator?
What is the VRM fan for?
What is the VRM fan for?
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