Corsair
Hydro X Series XR5 420mm Water Cooling Radiator
Best high-performance radiator for custom liquid cooling enthusiasts.
Experience superior custom cooling with the CORSAIR Hydro X Series XR5 420mm Radiator. Its slim 30mm profile is engineered with a premium copper core for efficient heat dissipation, supporting triple 140mm fan mounts on each side for ambitious builds. Featuring standard G1/4” threads, it ensures universal fitting compatibility for easy integration into your existing custom loop. This radiator is designed for optimal performance and reliability in high-end PC cooling setups.
$99.99
Owner Satisfaction
4.5
/ 5
Category Rank
907
/ 3965
#907 in Computer System Cooling Parts
Price vs Category Average
-34%
Below average
Material
Copper / Brass
/ Copper / Brass
Who it's for
- Power users managing high-performance thermal loads
- System builders invested in the Corsair ecosystem
- Quiet-computing enthusiasts prioritizing low-noise operation
Who should skip it
- Owners of standard mid-tower or compact chassis
- Budget-conscious builders seeking cost-effective cooling
- Beginners intimidated by complex custom loop maintenance
Performance breakdown
Thermal Dissipation
Premium copper core ensures rapid heat transfer for high-end gaming rigs.
Case Compatibility
Slim 30mm profile fits comfortably in most mid-to-full tower chassis.
Loop Integration
Standard G1/4 threads make connecting to custom loops incredibly straightforward.
Build Quality
Durable copper and brass construction provides long-term reliability for enthusiasts.
Fan Versatility
Triple 140mm mount support offers massive airflow potential for ambitious builds.
Maintenance Ease
Standardized design simplifies routine coolant flushes and system upgrades.
Key Specs
Material
Copper / Brass
Compatible Materials
Only mix with other copper / brass products
Screw Thread Size
M4xP0.7
Port Thread
G1/4" BSPP
Radiator Thickness
30mm
Max Operating Temperature
60°C coolant temperature
Compatible Coolants
CORSAIR XL or equivalent
Color
BLACK
Features
- Extreme custom cooling performance with triple 140mm fan mounts on each side.
- Premium copper core for rapid heat dissipation.
- Slim 30mm radiator thickness for versatile case compatibility.
- Standard G1/4” threads for universal fitting compatibility.
- Durable construction with a 3-year warranty.
What customers say
Customers consistently praise the Hydro X Series XR5 420mm radiator for its exceptional build quality and thoughtful design. Many highlight the robust construction and premium materials, which contribute to a sense of durability and reliability. Users appreciate the ease of integration into custom loops, often noting the well placed ports and straightforward mounting. The overall consensus points to a high quality component that simplifies the custom cooling experience, making it a favored choice for enthusiasts seeking dependable performance and a clean aesthetic.
Know before you buy
The XR5 420mm radiator measures 450mm x 140mm x 30mm. Before purchasing, ensure your case supports 420mm radiators and has enough clearance for the 30mm thickness plus your chosen fans.
No. To prevent galvanic corrosion, you must only use this copper and brass radiator with other copper or brass components in your custom loop.
This radiator uses standard G1/4" BSPP threads, making it compatible with the vast majority of custom water cooling fittings available on the market.
The XR5 420mm supports up to three 140mm fans on each side, allowing for a push-pull configuration if your case has the necessary space.
You should use CORSAIR XL coolant or an equivalent high-quality coolant designed for copper and brass custom cooling loops.
The mounting holes use M4xP0.7 threads. Ensure your fan screws match this specification to avoid damaging the radiator core.
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$100