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Black 360mm copper radiator with prefilled TPV tubing and quick-release fittings

Alphacool

Alphacool NexXxoS ST30 360mm Full Copper Prefilled AIO Radiator

SKU CH-Y3Z1-C5HTA

A 360 mm full-copper radiator prefilled with coolant and TPV tubing to expand an Alphacool AIO via G1/4 quick-release fittings

  • ColorBlack
  • FeaturesThe prefilled radiators offer an easy way to expand the cool
  • Prefilled design lets you expand an Alphacool AIO in minutes using quick-release fittings
  • All-copper core, fins and end tanks deliver maximum thermal transfer
  • 16 FPI fin density performs well with low-speed fans
  • TPV tubing handles –50 °C to +155 °C without plasticiser leaching
  • Compact 400 × 124 × 30 mm footprint fits standard 360 mm mounts

Expansion for Alphacool AIO

This 360mm copper radiator is a prefilled module that connects to an existing Alphacool CPU or GPU AIO. It targets builders who already own a compatible Alphacool AIO and want additional thermal capacity without assembling a custom loop. The unit arrives filled and sealed, so no separate coolant or filling tools are required.

TPV hose and quick-release fittings

The bundle uses TPV tubing rated from -50 to +155 °C, which resists kinking and contains no plasticisers that can leach over time. Quick-release fasteners on the hose ends snap onto the matching AIO ports, turning a loop extension into a push-fit job. The 16 FPI fin density keeps airflow resistance low, allowing slower fan speeds while still adding cooling surface.

Case mounting and clearance

The radiator measures 400 x 124 x 30 mm with dual G1/4" threads, so it fits standard 360mm fan mounts but still requires enough case depth for the 30 mm core plus fans. Installation is straightforward: mount the radiator, attach fans, connect the quick releases, and bleed the combined loop. Builders without an Alphacool AIO cannot use this kit, and cases lacking a 360mm mounting area will need a different radiator size.

Highlights

  • Prefilled design lets you expand an Alphacool AIO in minutes using quick-release fittings
  • All-copper core, fins and end tanks deliver maximum thermal transfer
  • 16 FPI fin density performs well with low-speed fans
  • TPV tubing handles –50 °C to +155 °C without plasticiser leaching
  • Compact 400 × 124 × 30 mm footprint fits standard 360 mm mounts

Specifications

BrandAlphacool
ModelMBVB08FBN3HRF
ColorBlack
FeaturesThe prefilled radiators offer an easy way to expand the cooling capacity of your own Alphacool AIO system. All you need to do is mount the radiator at the desired position in the case and connect it to the corresponding AIO using the quick release fasteners.

Questions about this item

Will the G1/4" ports need new O-rings or sealant after a few years of use?

The radiator uses solid copper end chambers and water channels with brass G1/4" threads; standard loop maintenance replaces O-rings on fittings, not the radiator itself.

What stops me from pushing fan speed higher once the 16 FPI fin density is saturated?

At 16 fins per inch the airflow resistance is already low; beyond that point static pressure from fans yields diminishing returns rather than a hard thermal limit.

How warm do the TPV hoses get during continuous 24-hour operation?

TPV tubing is rated from -50 to +155 °C, so coolant temperatures in normal use stay far below the hose’s continuous operating ceiling.

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