ARCTIC Aio Liquid Coolers: 7 Picks Ranked by Specs

Quick picks

Our 7 picks

1 Best overall

ARCTIC Liquid Freezer II 420 AIO Cooler

Best for: spacious LGA 1700 builds needing maximum cooling

Radiator Size

420

Socket Compatibility

LGA1700

Fan Speed

200-1700 RPM

Dimensions

18.6 × 6.11 × 6.7 inches

Weight

4.37 pounds

View on Amazon: ARCTIC Liquid Freezer II 420 AIO Cooler

The ARCTIC Liquid Freezer II 420 is a 420 mm all-in-one liquid cooler built for Intel LGA 1700 processors. It includes a dedicated 40 mm PWM VRM fan next to the pump to cool nearby power delivery components. Fan wiring runs inside the sleeved tubing to reduce cable clutter. Its 18.63-inch radiator length and 4.37-pound weight suit you if you have a large chassis with 420 mm mounting support.

Pros

• Dedicated 40 mm PWM fan cools VRM components by up to 15°C
• PWM fan cables integrate directly inside sleeved tubing
• Large 420 mm radiator footprint for extensive heat dissipation
• Compatible with Intel Socket LGA 1700

Cons

• Large 18.63-inch radiator length requires a roomy case
• No integrated RGB or A-RGB lighting included

Good fit if

• You have a PC chassis that fits an 18.63-inch (420 mm) radiator.
• You use an Intel LGA 1700 socket motherboard.
• You want extra active cooling over your motherboard voltage regulators.

Skip if

• You have a compact or mid-tower case lacking 420 mm radiator clearance.
• You prefer integrated RGB or A-RGB lighting on fans or pump.

Verdict: ARCTIC Liquid Freezer II 420 AIO Cooler delivers extensive thermal capacity through its 420 mm radiator and onboard VRM cooling fan. It is a practical match for spacious LGA 1700 builds that do not require RGB lighting.

2 Best premium

ARCTIC Liquid Freezer II 280 RGB Cooler

Best for: LGA1700 systems wanting integrated cable management

Socket Compatibility

LGA1700

Fan Speed

200-1900 RPM

Lighting Type

RGB

Dimensions

14 × 6.11 × 6.7 inches

Weight

4.87 pounds

View on Amazon: ARCTIC Liquid Freezer II 280 RGB Cooler

The ARCTIC Liquid Freezer II 280 RGB is an all-in-one liquid cooler built for Intel Socket LGA1700 setups. You get a 13.98-inch radiator assembly, an included controller, and 24 digital RGB LEDs on the fan hubs. Integrated hose sheathing conceals both PWM and A-RGB lines to minimize loose wires. It suits you if you need a static-pressure liquid setup with dedicated lighting controls.

Pros

• Includes standalone RGB controller
• PWM and A-RGB fan cables routed inside hose sheathing
• 24 digital RGB LEDs across fan hubs
• Documented Intel LGA1700 socket compatibility

Cons

• LGA 1700 is the only listed supported socket
• Radiator assembly requires 13.98 inches of length clearance

Good fit if

• You build on an Intel LGA1700 socket processor.
• You want fan and lighting wiring hidden inside the hose sleeving.
• You prefer having an included hardware RGB controller.

Skip if

• You use a CPU socket other than LGA 1700.
• You have a compact case that cannot fit a 13.98-inch radiator.

Verdict: ARCTIC Liquid Freezer II 280 RGB delivers integrated hose cable management and bundled controller hardware for Intel LGA1700 processors. Its 13.98-inch frame and 24-LED array provide static-pressure liquid cooling without exterior wire mess.

3 Best 360mm

ARCTIC Liquid Freezer III Pro 360 A-RGB

Best for: white-themed builds needing dedicated VRM cooling

Radiator Size

360mm

Socket Compatibility

LGA1851, LGA1700

Lighting Type

A-RGB

Dimensions

15.7 × 4.72 × 2.6 inches

Weight

4.42 pounds

View on Amazon: ARCTIC Liquid Freezer III Pro 360 A-RGB

This 360mm all-in-one liquid cooler pairs a triple-fan radiator with integrated ARGB lighting in an all-white finish. It features ARCTIC P12 Pro fans, native offset mounting for Intel and AMD CPUs, and an integrated VRM fan directly on the pump block. Radiator fan cables run inside the hose sheathing to keep your motherboard layout clean. You will find it well suited if your PC case accepts a 15.67-inch long radiator.

Pros

• Integrated PWM-controlled VRM fan on the pump block
• Internal fan cable routing through hose sheathing
• Contact frame included for Intel LGA1851 and LGA1700
• P12 Pro fans offering higher maximum speeds

Cons

• Radiator assembly length of 15.67 inches limits small-chassis compatibility
• Assembly height of 2.60 inches requires adequate top or front clearance

Good fit if

• You need supplementary airflow directed across your motherboard voltage converters.
• You want radiator fan wiring hidden directly within the tube sleeving.
• You run an Intel LGA1700, LGA1851, or AMD processor in a case fitting a 360mm radiator.

Skip if

• You have a compact computer chassis that cannot clear a 15.67-inch long cooler.
• You prefer an all-black aesthetic without addressable lighting.

Verdict: ARCTIC Liquid Freezer III Pro 360 A-RGB provides dedicated VRM airflow, streamlined internal cable routing, and high-pressure P12 Pro fans on a 360mm radiator frame. It serves as a comprehensive cooling package for builds accommodating full-size radiators.

4 Best budget

ARCTIC Liquid Freezer III Pro 360 AIO

Best for: all-black builds needing dedicated VRM cooling

Radiator Size

360mm

Socket Compatibility

LGA 1851, LGA 1700

Dimensions

15.7 × 4.7 × 2.9 inches

Weight

4.45 pounds

View on Amazon: ARCTIC Liquid Freezer III Pro 360 AIO

The ARCTIC Liquid Freezer III Pro 360 is a black closed-loop liquid cooler equipped with three 120 mm P12 Pro fans. Its 15.7-inch radiator pairs with an offset mounting system for AMD and Intel processors, alongside a dedicated contact frame for Intel LGA1851 and LGA1700 sockets. An integrated PWM fan actively cools motherboard voltage converters, while hidden hose cabling minimizes clutter. It suits you if you prioritize active VRM cooling and straightforward cable management.

Pros

• Includes Intel LGA1851 and LGA1700 contact frame
• Dedicated PWM-controlled fan cools motherboard VRMs
• Fan cables routed internally through hose sheathing
• P12 Pro fans offer higher maximum speeds than standard P12 models
• Native offset mounting targets Intel and AMD CPU hotspots

Cons

• No RGB or LED lighting features included
• Total assembly length of 15.7 inches requires a spacious case
• Included contact frame only supports Intel LGA1851 and LGA1700

Good fit if

• You want active airflow over your motherboard voltage regulators.
• You use an Intel LGA1851 or LGA1700 processor and want a dedicated contact frame.
• You prefer clean wiring with fan cables hidden inside the tubing sleeve.

Skip if

• You want RGB or A-RGB lighting on the pump or fans.
• You have a compact PC case unable to clear a 15.7-inch radiator assembly.

Verdict: ARCTIC Liquid Freezer III Pro 360 AIO delivers specialized motherboard VRM cooling, integrated hose cable routing, and high-speed P12 Pro fans on a 360 mm radiator. It provides a clean, all-black setup for builds that do not require RGB lighting.

5 Also great

ARCTIC Liquid Freezer III Pro 420 A-RGB White Cooler

Best for: white builds needing 420mm liquid cooling

Radiator Size

420mm

Socket Compatibility

LGA 1851, LGA 1700

Lighting Type

A-RGB

Dimensions

18 × 5.43 × 2.68 inches

Weight

5.2 pounds

View on Amazon: ARCTIC Liquid Freezer III Pro 420 A-RGB White Cooler

The ARCTIC Liquid Freezer III Pro 420 A-RGB White Cooler is a 420mm liquid CPU cooler finished in white with addressable RGB lighting. It includes P14 Pro fans, an integrated PWM VRM fan, and native offset mounting for Intel and AMD sockets. At over 18 inches long and over five pounds, you get large-format cooling if your PC case has room for a massive 420mm radiator.

Pros

• P14 Pro fans with higher maximum speed
• Integrated PWM-controlled VRM cooling fan
• Radiator hose sleeving conceals fan PWM cables
• Includes contact frame for Intel LGA1700 and LGA1851

Cons

• Large 18.03-inch length limits PC case compatibility
• Heavy total weight of roughly 5.2 pounds

Good fit if

• You have a PC chassis that supports 18-inch long 420mm radiators.
• You want dedicated VRM airflow built into your CPU water block.
• You want white components with addressable RGB illumination.

Skip if

• You have a compact or standard case unable to fit a 420mm radiator.
• You prefer a black cooler without lighting.

Verdict: ARCTIC Liquid Freezer III Pro 420 A-RGB White Cooler delivers large 420mm thermal capacity with built-in VRM active cooling and integrated cable routing. It is an optimal choice if your case can accommodate its 18-inch physical length.

6 Also great

ARCTIC Liquid Freezer III Pro 420 ARGB

Best for: full-tower builds needing heavy CPU and VRM cooling

Radiator Size

420mm

Socket Compatibility

LGA 1851, LGA 1700

Lighting Type

A-RGB

Dimensions

17.5 × 6 × 2.7 inches

Weight

5.2 pounds

View on Amazon: ARCTIC Liquid Freezer III Pro 420 ARGB

The ARCTIC Liquid Freezer III Pro 420 ARGB is a large all-in-one liquid CPU cooler equipped with P14 Pro fans and integrated ARGB lighting. Measuring 17.5 inches long and 6 inches wide, it features an integrated PWM-controlled VRM fan, native offset mounting, and dedicated contact frames for Intel LGA1851 and LGA1700 sockets. It suits you if you need heavy-duty thermal transfer, VRM cooling, and integrated cable routing inside a large PC chassis.

Pros

• P14 Pro fans engineered for higher speed and airflow
• Integrated PWM fan dedicated to cooling motherboard voltage converters
• Hose-sheathed cable management leaves only one visible motherboard connection
• Includes dedicated contact frame for Intel LGA1851 and LGA1700 sockets

Cons

• Large 17.5-inch length requires a chassis with 420 mm radiator clearance
• Socket contact frame support in the specs covers only Intel LGA1851 and LGA1700

Good fit if

• You have a PC case with space for a 17.5-inch radiator assembly.
• You run an Intel LGA1851 or LGA1700 processor.
• You want active cooling over your motherboard voltage converters.

Skip if

• You use a compact case that cannot clear a 17.5-inch radiator.
• You prefer a non-illuminated cooler without ARGB lighting.

Verdict: ARCTIC Liquid Freezer III Pro 420 ARGB delivers high-volume heat dissipation with P14 Pro fans, targeted VRM airflow, and tidy hose-routed cabling. It provides heavy-duty cooling performance if your enclosure supports its 17.5-inch frame.

7 Also great

ARCTIC Liquid Freezer II 420 AIO Cooler

Best for: Full-tower cases requiring large radiator surface area

Radiator Size

420

Socket Compatibility

Intel & AMD

Fan Speed

200-1700 RPM

Dimensions

1.5 × 5.43 × 18 inches

Weight

4.36 pounds

View on Amazon: ARCTIC Liquid Freezer II 420 AIO Cooler

The ARCTIC Liquid Freezer II 420 is a large all-in-one liquid CPU cooler built around a 420 mm radiator measuring 18.03 inches in height. It features an integrated 40 mm PWM fan on the pump housing for voltage regulator cooling, sealed fiber-reinforced EPDM tubing, and pre-routed PWM fan cables tucked directly inside the tubing sleeves. This setup suits you if you run a spacious PC chassis and prioritize wide heat dissipation area over lighting.

Pros

• Integrated 40 mm PWM fan cools surrounding motherboard VRMs
• Pre-routed fan cables inside sleeved tubing reduce visible wire clutter
• Sealed, maintenance-free loop with fiber-reinforced EPDM tubing
• Large 420 mm radiator size provides expansive cooling surface
• Comes backed by a 6-year manufacturer warranty

Cons

• Radiator length of 18.03 inches requires an unusually large chassis
• Features an all-black design with no integrated RGB lighting

Good fit if

• You have a PC chassis with clearance for an 18.03-inch 420 mm radiator.
• You want dedicated airflow across motherboard VRMs next to the CPU socket.
• You prefer single-cable motherboard connection via internal tube routing.

Skip if

• You have a standard mid-tower case that tops out at 280 mm or 360 mm radiators.
• You require integrated RGB or A-RGB lighting on fans and pump.

Verdict: ARCTIC Liquid Freezer II 420 AIO Cooler delivers extensive radiator coverage paired with integrated VRM airflow and clean internal cable routing. It is an optimal choice if your PC case has the clearance for its 18.03-inch footprint.

Specifications side by side

The ARCTIC Lineup at a Glance

Radiator dimensions separate this lineup between large enclosures and standard cases. If your chassis supports 18-inch frames, 420 mm models like the ARCTIC Liquid Freezer II 420 AIO Cooler offer maximum radiator coverage. If you need tighter dimensions, 280 mm and 360 mm units fit smaller mid-tower setups. For example, the ARCTIC Liquid Freezer III Pro 360 AIO measures 15.7 inches long, while the ARCTIC Liquid Freezer II 280 RGB Cooler measures 13.98 inches.

Lighting and color further divide the range. Non-illuminated black coolers suit clean builds without extra lighting cables. For lit setups, ARCTIC offers RGB or A-RGB hardware. If you assemble an all-white system, the ARCTIC Liquid Freezer III Pro 420 A-RGB White Cooler provides a white finish, whereas black editions match dark chassis interiors.

Who ARCTIC Liquid Coolers Suit

ARCTIC suits builds prioritizing motherboard VRM airflow and large radiator surface area. The listed range spans from 13.98-inch 280 mm units up to 18.63-inch 420 mm frames. Finish options cover black and white models, paired with non-illuminated hardware, RGB with bundled controllers, or ARGB fans. Integrated hose cable routing keeps wiring organized.

Key gaps exist for compact builds. The selection omits 120 mm and 240 mm radiator formats. Published specifications list only LGA 1700 socket compatibility. You also find no pump-mounted LCD screens or digital displays anywhere in this lineup.

Choosing Your ARCTIC AIO Liquid Cooler

1. Check Chassis Radiator Length

   Radiator mounting brackets require matching longitudinal clearance inside your computer case. Frame lengths in this series range from 13.98 inches on compact units up to 18.63 inches on 420 mm models like the ARCTIC Liquid Freezer II 420 AIO Cooler. Measure your case interior from drive cages to front panels before deciding. If you choose a large 420 mm unit, confirm your enclosure accepts an 18-inch class frame without blocking front-panel ports or power supply shrouds.

2. Verify Motherboard Socket Support

   CPU mounting brackets must correspond to your specific processor socket. Units such as the ARCTIC Liquid Freezer II 280 RGB Cooler explicitly list support for Intel LGA 1700 sockets. Always check that the cooler includes mounting hardware for your processor platform before purchasing. If your build uses an unsupported bracket pattern, you cannot mount the water block properly to the CPU heat spreader. Ensure your motherboard socket matches the manufacturer specifications to guarantee solid mechanical contact and proper heat transfer.

3. Evaluate Lighting and Wiring

   ARCTIC models offer standard non-illuminated hardware, classic RGB, or addressable ARGB lighting. If you prefer lighting controls, check if the unit supplies a dedicated module. The ARCTIC Liquid Freezer II 280 RGB Cooler includes an illumination controller and a 24-LED array. If you select an ARGB model, verify that your motherboard features 3-pin 5V addressable headers. For clean, dark workstations, non-illuminated options eliminate extra LED cables entirely, keeping wiring tidy and reducing clutter around the motherboard.

4. Consider Active VRM Airflow

   Many ARCTIC liquid coolers integrate a dedicated fan on the pump block designed to push air across motherboard voltage regulator modules. Coolers like the ARCTIC Liquid Freezer III Pro 360 A-RGB feature this active VRM cooling design alongside high-pressure P12 Pro fans. This setup suits heavy CPU loads where motherboard power delivery components generate concentrated heat. If your motherboard has compact heatsinks or your chassis has minimal top airflow, choosing a model with an integrated VRM fan helps dissipate power delivery heat.

5. Match System Color Themes

   ARCTIC produces cooling hardware in matte black and clean white finishes. Models like the ARCTIC Liquid Freezer III Pro 420 A-RGB White Cooler provide white radiators, white frames, and white sleeved tubing to complement pale or silver interior components. If your build uses a dark chassis, black units maintain a unified industrial appearance. Selecting a cooler finish that matches your motherboard, memory modules, and case interior avoids visual clashes without altering mechanical or cooling specifications.

6. Check Radiator Width Clearance

   Radiator widths vary between 4.7 inches on 360 mm models and over 6.1 inches on 420 mm units. Models such as the ARCTIC Liquid Freezer III Pro 360 AIO also route fan cables directly through the tube sleeving to simplify internal installation. Measure the distance between your motherboard top edge and the chassis ceiling to confirm clearance. A wider radiator can collide with tall memory modules, VRM heatsinks, or eight-pin EPS power cables during installation.

Frequently asked questions

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