---
product_id: 38957342
title: "NexXxos ST30 Full Copper X-Flow Radiator, 420mm, Triple Fan, Black"
brand: "alphacool"
price: "A$389"
currency: AUD
in_stock: true
reviews_count: 4
category: "Alphacool"
url: https://www.desertcart.com.au/products/38957342-nexxxos-st30-full-copper-x-flow-radiator-420mm-triple-fan
store_origin: AU
region: Australia
---

# 420mm length with 16 fins per inch for max cooling surface Full copper construction for superior heat dissipation 4x G1/4" threaded ports for versatile loop setups NexXxos ST30 Full Copper X-Flow Radiator, 420mm, Triple Fan, Black

**Brand:** alphacool
**Price:** A$389
**Availability:** ✅ In Stock

## Summary

> ❄️ Stay cool, stay ahead — the copper king of radiators!

## Quick Answers

- **What is this?** NexXxos ST30 Full Copper X-Flow Radiator, 420mm, Triple Fan, Black by alphacool
- **How much does it cost?** A$389 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/38957342-nexxxos-st30-full-copper-x-flow-radiator-420mm-triple-fan)

## Best For

- alphacool enthusiasts

## Why This Product

- Trusted alphacool brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek, Durable Build:** Steel side panels and brass threads guarantee long-lasting durability with a premium black finish that complements any setup.
- • **Space-Savvy Dimensions:** At 420mm length and 30mm thickness, this radiator fits most custom builds—just double-check your case compatibility to avoid surprises.
- • **Optimized Airflow Design:** 16 fins per inch combined with a triple fan setup ensures rapid heat exchange and silent operation.
- • **Flexible Loop Integration:** Four G1/4" threaded ports provide versatile installation options to customize your water cooling loop.
- • **Ultimate Cooling Efficiency:** Full copper chambers, fins, and channels deliver unmatched thermal conductivity for your high-performance rig.

## Overview

The Alphacool NexXxos ST30 420mm X-Flow radiator features a full copper construction with steel and brass reinforcements, 4x G1/4" ports for flexible water cooling loops, and 16 fins per inch for superior heat dissipation. Designed for desktop PCs, it offers a sleek black finish and triple fan compatibility, making it a top-tier choice for enthusiasts seeking efficient and reliable cooling performance.

## Description

Alphacool Compatible NexXxoS ST30 420mm XFlow | 1012475

Review: Worth the money - Worked good
Review: Longer than the regular radiator - It functions well as a radiator, but be warned that it is longer than the regular 420mm radiator that isn't x-flow. I had to upend my entire water loop to barely make enough room for this in my system. I use a NZXT H9 flow and this radiator does NOT fit in the front where 420mm radiators are supposed to fit.

## Features

- Black exterior Color
- Ports: 4x G1/4" Thread
- Material: steel side panels, brass threads, copper chambers, copper fins, copper channels
- Fins Per Inch: 16
- Dimensions: 477 x 144 x 30mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01HQ8KVUW |
| Best Sellers Rank | #1,392 in Water Cooling Systems |
| Brand | Alphacool |
| Compatible Devices | Desktop |
| Cooling Method | Air |
| Date First Available | August 13, 2016 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.76 pounds |
| Item model number | 14243 |
| Manufacturer | Alphacool |
| Material | Alloy Steel, Brass, Copper |
| Noise Level | 52 Decibels |
| Number of Items | 1 |
| Power Connector Type | 4-Pin |
| Product Dimensions | 18.78"L x 1.18"W x 5.67"H |
| Voltage | 12 Volts |

## Product Details

- **Brand:** Alphacool
- **Compatible Devices:** Desktop
- **Cooling Method:** Air
- **Manufacturer:** Alphacool
- **Material:** Alloy Steel, Brass, Copper
- **Noise Level:** 52 Decibels
- **Number of Items:** 1
- **Power Connector Type:** 4-Pin
- **Product Dimensions:** 18.78"L x 1.18"W x 5.67"H
- **Voltage:** 12 Volts

## Images

![NexXxos ST30 Full Copper X-Flow Radiator, 420mm, Triple Fan, Black - Image 1](https://m.media-amazon.com/images/I/61Mo0gdmEGL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worth the money
*by M***M on December 20, 2019*

Worked good

### ⭐⭐⭐⭐ Longer than the regular radiator
*by J***T on December 30, 2025*

It functions well as a radiator, but be warned that it is longer than the regular 420mm radiator that isn't x-flow. I had to upend my entire water loop to barely make enough room for this in my system. I use a NZXT H9 flow and this radiator does NOT fit in the front where 420mm radiators are supposed to fit.

### ⭐⭐⭐ Review
*by R***. on July 31, 2018*

Leider ist der Radiator 3cm größer als normale 420er ohne X-Flow. Dadurch passt er nicht unbedingt in eine 420er Halterung rein. Verarbeitet ist der Radiator gut, der Wärmeabtransport könnte jedoch besser sein. Das einzige Manko sind die Schrauben: Die Schraubenköpfe haben einen Innensechskant und "nudeln" sehr schnell aus. Dadurch musste ich eine Schraube bereits nach zweimal einschrauben austauschen. Auch die Löcher sind nicht wirklich gut gebohrt. Davon ab, ist der Radiator nicht schlecht.

## Frequently Bought Together

- Alphacool NexXxos ST30 Full Copper X-Flow Radiator420, 140mm x 3, Triple Fan, Black
- CORSAIR, Hydro X Series, XT Hardline, Satin, 14mm, Tubing
- Corsair Hydro X Series 90° Rotary Adapter Twin Pack, Black, Model Number: CX-9055009-WW

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/38957342-nexxxos-st30-full-copper-x-flow-radiator-420mm-triple-fan](https://www.desertcart.com.au/products/38957342-nexxxos-st30-full-copper-x-flow-radiator-420mm-triple-fan)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-01-24*