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Copper radiator with five G1/4 ports and sixteen tubes

EK

EK Copper Radiator liquid cooler

SKU CH-HZHB-P4EAX

A copper radiator with five G1/4 ports and sixteen 2 mm tubes for low-restriction liquid-cooling loops

  • Compatible socketsAMD Socket AM5
  • Block dimensions0 L x 0 W x 0 H centimeters
  • Cooling block materialAluminum
  • Display typeEK
  • Pump rotation speed2,200 rpm
  • Pump bearingCeramic
  • Five G1/4 ports simplify loop routing
  • Sixteen 2 mm copper tubes ensure unrestricted coolant flow
  • Push or pull fan mounting maximises radiator performance
  • High-grade 18 FPI copper fins balance heat transfer and airflow resistance
  • Ceramic-bearing pump runs at 18 decibels for quiet operation

EK Copper Radiator for Custom Loops

The EK 3831109838334 radiator is built for enthusiasts assembling a custom water-cooling loop who need a copper core with standard G1/4 threading. It suits builders wanting a single radiator that can handle both push and pull fan configurations without restricting flow. Buyers who require an all-in-one unit with integrated pump, block or reservoir should look elsewhere.

Sixteen 2 mm Copper Tubes and 18 FPI Fins

The decisive spec is the internal layout: sixteen copper tubes each 2 mm wide run the full length of the radiator, paired with high-grade non-louvered copper fins at 18 fins per inch. This combination is designed to deliver strong thermal transfer while keeping air resistance low so the loop pump is not overworked.

Five G1/4 Ports Enable Flexible Routing

The radiator ships with five G1/4 threaded ports, giving the installer multiple inlet and outlet options for tidy tube routing in tight cases. No fans, fittings or coolant are included, so the builder must supply those separately to complete the loop.

How it compares

Measured against everything we stock in Liquid Cooling & AIO Coolers, at today’s prices. Recalculated every night.

Price $86.99
Pricier than about 57% of the 1,190 comparable items (median $71.99).

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Specifications

Product
Brand nameAlphacool
Part number3831109838334
Performance
Pump rotation speed2,200 rpm
Fan speed2,200 rpm
Display
Display typeEK
Ports & slots
Fan plug type4 Pin
Size & build
Block dimensions0 L x 0 W x 0 H centimeters
Cooling block materialAluminum
Radiator materialAluminum
Fan dimensions0 L x 0 W x 0 H centimeters
Tubing materialCopper
Compatibility
Compatible socketsAMD Socket AM5
In the box
In the box1 product
Environment & compliance
Pump noise level18 decibels
Fan noise level18 decibels
More details
Pump bearingCeramic
Reservoir dim.0 L x 0 W x 0 H centimeters

Questions about this item

What does the 2200 RPM pump speed mean once the unit is installed?

The pump runs at a fixed 2200 RPM, delivering continuous coolant flow through the copper radiator while producing 18 decibels of noise.

How does the 4-pin connector limit control of the pump and fans?

The 4-pin PWM connector allows the motherboard to vary pump and fan speed up to 2200 RPM, but the 12 V supply caps maximum power at 3 watts.

What does the radiator need to fit or mount in a case?

The radiator includes five G1/4 threaded ports for standard fittings and supports push/pull fan mounting on either side.

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