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Alphacool

Alphacool NexXxos ST30 Full Copper X-Flow Radiator, 420mm, Triple Fan, Black

  • Based on 21 reviews
Condition: New
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$125.00 Why this price?
Labor Day Deal · 34% off was $189.90

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Availability: Only 1 left in stock, order soon!
Fulfilled by TITAN RIG
Arrives Sep 9 – Sep 10
Order within 11 hours and 54 minutes
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Size: 420mm


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

Description

Alphacool Compatible NexXxoS ST30 420mm XFlow | 1012475

Brand: Alphacool


Cooler Heatsink Material: Copper


Product Dimensions: 18.78"L x 1.18"W x 5.67"H


Item Weight: 1.8 pounds


Unit Count: 1 Count


Brand Name: Alphacool


Unit Count: 1 Count


Manufacturer: Alphacool


Number of Items: 1


Warranty Description: One year manufacturer


Included Components: 1 piece


Model: 14243


Part Number: 14243


Item Dimensions L x W x H: 18.78"L x 1.18"W x 5.67"H


Item Weight: 1.8 pounds


Cooler Heatsink Material: Copper


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sep 9 – Sep 10

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Great Quality
Size: 420mm
Great quality as always from Alphcool nothing but the best from them Been using their products for 12+ years never had an issue with quality or craftsmanship form Alphacool
Reviewed in the United States on May 25, 2026 by Steven
    • Longer than the regular radiator
Size: 420mm
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. ... show more
Reviewed in the United States on December 30, 2025 by Joseph Trout
    • Worth the money
Size: 420mm
Worked good
Reviewed in the United States on December 20, 2019 by M

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