Best Complete Water Cooling Systems November 2026
Compare top-rated complete water cooling systems to keep your processor cool and quiet under heavy loads. This independent ranking lets you evaluate radiator sizes, fan speeds, lighting options, and socket support so you can find the right match for your PC build.
Last updated: 1 November 2026
The list is unchanged since the last update.
Complete Water Cooling Systems: Top 5
1
Arctic Liquid Freezer III Pro 360 (3x120mm)
from £66.668 stores
from £66.66
8 stores
2
Arctic Liquid Freezer III Pro 360 A-RGB (3x120mm)
from £74.997 stores
from £74.99
7 stores
3
Corsair NAUTILUS 360 ARGB (3x120mm)
from £99.999 stores
from £99.99
9 stores
4
Arctic Liquid Freezer III Pro 360 A-RGB (White)
from £76.186 stores
from £76.18
6 stores
5
Arctic Cooling Liquid Freezer III Pro 420 (3x140mm)
from £74.495 stores
from £74.49
5 stores
The Arctic Liquid Freezer III Pro 360 provides robust CPU cooling with three 120 mm fans that reach up to 3,000 RPM. Its 38 mm thick radiator offers substantial heat dissipation area for demanding desktop processors.
Pros
Wide 600–3,000 RPM fan speed range
Supports modern and legacy CPU sockets
Thick 38 mm radiator design
Generous 450 mm hose length
Cons
Lacks RGB lighting
Thick radiator requires extra case clearance
This variant of the Liquid Freezer III Pro 360 combines high cooling output with integrated addressable RGB lighting across three 120 mm fans. It accommodates both modern and older processor sockets while offering fine speed control from 600 to 3,000 RPM.
Pros
Vibrant A-RGB lighting on all three fans
Wide 600–3,000 RPM fan speed range
Broad Intel and AMD socket compatibility
Long 450 mm flexible tubing
Cons
Requires extra cable management for lighting
Thicker radiator demands careful case planning
The Corsair NAUTILUS 360 ARGB stands out with a built-in display on the water block and three 120 mm fans delivering 94.87 CFM of airflow. It supports current Intel LGA 1700 as well as AMD AM4 and AM5 platforms.
Pros
Integrated display on the pump block
High 94.87 CFM maximum airflow
Built-in ARGB lighting effects
Cons
Fixed 1,700 RPM fan speed
No support for older Intel sockets
The Arctic Liquid Freezer III Pro 360 A-RGB in White offers a bright colorway designed for light-themed PC setups. It features three 120 mm A-RGB fans with precise speed adjustment up to 3,000 RPM and 450 mm long tubing.
Pros
All-white aesthetic for themed builds
Addressable RGB lighting on three fans
Wide 600–3,000 RPM fan control range
Cons
Limited to modern LGA 1700 and AM4/AM5 sockets
Requires ample radiator clearance in your chassis
The Arctic Liquid Freezer III Pro 420 uses a large 420 mm radiator equipped with three 140 mm fans to maximize surface area and airflow. It is built for demanding high-wattage CPUs on modern Intel LGA 1700 and AMD AM4/AM5 sockets.
Pros
Massive cooling surface with 3x 140 mm fans
Large 420 mm radiator for high heat loads
Long 450 mm flexible tubing
Cons
Requires a very large PC case
Lacks RGB lighting
Compare specifications
| No. of fans included | 3 pc. | 3 pc. | 3 pc. | 3 pc. | 3 pc. |
|---|---|---|---|---|---|
| Water block included | CPU | CPU | CPU | CPU | CPU |
| Socket | 1151, 1200, 1700, AM4, AM5 | 1151, 1200, 1700, AM4, AM5 | 1700, AM4, AM5 | 1700, AM4, AM5 | 1700, AM4, AM5 |
How we create the list
The ranking is updated monthly and is based on data we collect from our own platform. Products that rank highly are popular among our users while also maintaining high quality according to editorial expert assessments. Specifically, we weigh how many users follow the product via price alerts or lists, how it is rated by experts and users, as well as how much traffic it generates to stores and how well it is represented in retail. The texts on this page are AI-generated and created to give you a quick and clear overview. No products are paid placements – the ranking is driven solely by data.
