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Corsair

Corsair CX-9055001-WW Hydro X Series 45° Adapter

★★★★★4.7 (1102 reviews)

Route your custom liquid cooling loop through any chassis constraint with this twin-pack of precision-machined solid brass G1/4" rotary 45° adapters.

$36.78*
✓ 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 45° Rotary Adapter is a port-to-port directional fitting machined from solid brass and finished in polished chrome, designed to redirect liquid cooling loop tubing at a 45° angle while maintaining the full G1/4" BSPP bore diameter. Unlike fixed-angle adapters, the rotary joint allows the outlet port to spin freely during installation, which means you can dial in the exact tube exit direction after threading into your waterblock or reservoir port — a practical advantage when routing around GPU power connectors, motherboard VRM heatsinks, or front-panel headers. The G1/4" standard on both inlet and outlet ensures compatibility with any compression or barb fitting in your existing kit, and the solid brass body keeps the fitting structurally sound under the slight mechanical stress of rigid tubing.

In practice, 45° adapters earn their place in builds where a straight or 90° fitting would force an awkward tube bend or clip a nearby component. Custom loop builders running PETG or acrylic hard tube routinely use a pair of these to create clean compound angles from a pump top to a CPU block without bending tube to a tight radius. The twin-pack format reflects that typical use case. This product is aimed at intermediate-to-advanced builders who have moved beyond all-in-one closed loops and are assembling custom open loops where precise tube routing and visual build quality are both priorities. It is not a performance upgrade in isolation — its value is in enabling cleaner builds that are easier to fill, bleed, and drain.

Key Features

Universal Compatibility: Standard G1/4” BSPP threads provide universal compatibility with all CORSAIR XF Fittings.

Machined from Solid Brass: For superior quality and durability.

Securely Sealed Rotation Mechanism: Allows you to easily add angles or splits to make the perfect tube runs.

High-Quality Polished Finish: For a flawless look.

Optimized for High Flow Rates: Minimize fitting flow resistance and improve performance.

Specifications

Angle
45°
Thread Standard
G1/4" BSPP
Material
Solid Brass
Finish
Polished Chrome
Pack Size
Twin Pack (2 adapters)
Model
CX-9055001-WW

Pros & Cons

👍 Pros

  • G1/4" BSPP threading ensures drop-in compatibility with the entire PC water cooling ecosystem, not just Corsair components.
  • Solid brass construction resists oxidation and galvanic corrosion in copper/brass-dominant loops without leaching contaminants.
  • Rotary mechanism allows post-installation angle dialing — useful when fine-tuning a tight tube run without unscrewing the fitting from the port.
  • Twin-pack format covers both ends of a typical redirected run in a single purchase.
  • Polished chrome finish matches chrome and nickel-plated fittings across major brands for a visually consistent build.

👎 Cons

  • 45° angle is a fixed geometry — if your chassis demands a sharper redirect, you'll need a 90° adapter rather than stacking two of these (which adds unnecessary fitting length and two additional leak points).
  • Chrome finish telegraphs fingerprints and smudges during installation; plan to handle with clean dry hands or gloves if build aesthetics matter.
  • Twin-pack quantity may require multiple purchases on complex builds with many directional changes, increasing per-unit cost.
  • The rotary joint adds approximately 5–8mm of axial length compared to a fixed-angle adapter — tight clearances between a pump top and adjacent component need to be measured before ordering.

Frequently Asked Questions

G1/4" BSPP is the de facto universal thread standard for PC water cooling. These adapters will mate with any G1/4" fitting — Bykski, EK, Barrow, Alphacool — regardless of brand. The thread spec is universal; only the aesthetic finish will vary between manufacturers.
The rotary mechanism uses a securely sealed bearing-style joint. It can be rotated freely during routing and build, but the design is engineered to hold its set position once your loop is under pressure. It won't drift or spin during operation.
Corsair designed these specifically for optimized high-flow rates, meaning the internal bore is sized to minimize restriction relative to the angle change. A 45° bend will always introduce slightly more resistance than a straight fitting, but the delta is negligible in typical pump-driven loops running 1–2 GPM.
This is a twin pack — you receive two 45° rotary adapters. That covers a standard elbow run where you need entry and exit angles on a single component block or reservoir without sourcing a second purchase.
These are port-side adapters only — they thread into G1/4" ports on blocks, reservoirs, and pumps. The output port is also G1/4", so you attach your choice of compression or barb fitting on the other end. They work in any loop regardless of whether you're running PETG, acrylic, or soft tubing downstream.

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