Corsair

Corsair CX-9059004-WW Hydro X Series XT Hardline Tubing

4.6 (80 reviews)

Build clean, professional custom cooling loops with resilient satin-finish PMMA hardline tubing.

$31.55*
In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

The Corsair Hydro X Series XT Hardline Tubing is purpose-built for custom PC liquid cooling loops where both performance and aesthetics matter. Constructed from PMMA — a rigid acrylic known for its clarity and structural integrity — this tubing resists warping and deformation even under high system pressures and elevated coolant temperatures. The 12mm outer diameter is designed to work seamlessly with Corsair's Hydro X Series hardline compression fittings, ensuring leak-free connections throughout your loop without the need for adapters or third-party components.

What sets this tubing apart visually is its satin finish, which produces a frosted matte appearance that diffuses light passing through the tube. This creates a distinctive look compared to standard transparent hardline tubing, especially when paired with colored coolant or RGB-lit reservoirs and fittings. Each tube comes in a straight length ready to be cut to size with a fine-toothed hacksaw and bent with a heat gun for custom routing. While the rigid PMMA material demands more precision and patience than soft tubing, the result is a polished, professional cooling system with clean lines and secure connections.

Key Features

High-quality, straight-line PMMA tubing for perfect tubing runs.

Resilient construction that won’t warp or deform under high pressure or high coolant temperatures.

Easy to cut to an ideal length for your custom cooling system using a fine-toothed hacksaw (not included).

A beautiful satin finish creates a frosted matte look to make your custom cooling system stand out even further

Specifications

Brand
Corsair
Model
CX-9059004-WW
Series
Hydro X Series XT
Material
PMMA
Finish
Satin (frosted matte)
Outer Diameter
12mm
Type
Hardline Tubing

Pros & Cons

👍 Pros

  • PMMA construction resists warping and deformation under high pressure and elevated coolant temperatures.
  • Satin finish creates a frosted matte aesthetic that stands out from standard clear tubing.
  • 12mm diameter ensures compatibility with the broader Corsair Hydro X Series fitting ecosystem.
  • Straight-line rigidity produces clean, professional tubing runs in custom loop builds.

👎 Cons

  • Requires a fine-toothed hacksaw or tubing cutter, adding tool requirements for first-time builders.
  • PMMA is more brittle than PETG, making it more prone to cracking during bending if overheated or under-heated.
  • Satin finish cannot be swapped for a clear look — builders wanting transparency need a different tubing variant.
  • Rigid tubing demands precise measurement and cutting, increasing build time compared to soft tubing.

Frequently Asked Questions

The Hydro X Series XT tubing is made from PMMA (polymethyl methacrylate), a rigid acrylic material that maintains its shape under pressure and high coolant temperatures.
The tubing has a 12mm outer diameter, which is compatible with Corsair Hydro X Series 12mm hardline fittings.
Corsair recommends using a fine-toothed hacksaw to cut the tubing to your desired length. A tubing cutter designed for rigid acrylic can also produce clean cuts with less finishing work.
The satin finish gives the tubing a frosted matte appearance rather than a fully transparent look, diffusing light and adding a distinctive visual element to your cooling loop.
As rigid PMMA tubing, it requires heat to bend. You will need a heat gun and a bending insert or mandrel to create accurate bends without kinking or collapsing the tube walls.