Phobya R27-S420 Radiator, 420 mm radiator, 18 FPI, copper fins, 2x G1/4-inch connectors – black

The Phobya R27-S420 radiator is a true specialist for high-end water cooling systems with substantial cooling demands. Accommodating three 140 mm fans, it offers an enormous cooling surface while maintaining a particularly slim profile – ideal for quiet and efficient setups.

• 99.9% copper fins with 18 FPI for maximum heat dissipation
• Low-profile design at just 27 mm – perfect for tight cases
• 2x G1/4-inch threads for extensive connection versatility
• Includes M4 screws for 30 mm fans and 6 mm mounting screws
• Pressure-tested up to 1 bar, RoHS-compliant for environmentally friendly use

Maximum cooling surface for quiet performance

With dimensions of 413 × 144 × 27 mm, the R27-S420 radiator provides ample space for three 140 mm fans – ideal for silent builds or high-performance gaming and workstation systems. The fin density of 18 FPI enables effective cooling even at low fan speeds.

Premium material selection for the highest standards

The combination of 99.9% copper fins, H65 copper water channels, and H62 brass chambers and threads ensures outstanding thermal conductivity and excellent corrosion resistance. A radiator designed for long-term, reliable use.

Easy integration into custom loops

Thanks to standardised mounting holes and the included screws, three 140 mm fans can be mounted with ease. The two G1/4-inch threads allow for flexible integration into existing water cooling systems – compatible with standard fittings and tubing.