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Xbox SERIES S Replacement Internal Internal Power Supply PSU 1921

Regular price $44.99
Sale price $44.99 Regular price
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Restore your Xbox Series S to full power with this genuine OEM replacement internal power supply (model 1921). If your console won't turn on, shuts down unexpectedly, or powers off immediately after startup, this authentic component is the solution you need. Engineered to exact manufacturer specifications, this PSU delivers reliable performance and eliminates frustrating power-related issues. Get back to gaming with confidence—install this proven replacement and experience stable, uninterrupted gameplay once again.

About This Item:

  • MPN: M1111343-005
  • Alternate: M1111342-005
  • Model: 1921
  • Genuine OEM Replacement
  • Proprietary Form Factor
  • Fits Xbox SERIES S Models


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  • FREE Delivery on Orders Over $30
  • Industry-leading Warranty
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What's Included

  • Xbox SERIES S Replacement Internal Power Supply 1921

Not Included

  • Xbox SERIES S Replacement Motherboard Main Logic Board
  • Xbox SERIES S Replacement Internal Cooling Fan
  • Thermal Paste

Installation

This OEM internal power supply (model 1921) is engineered as a direct replacement for Xbox Series S consoles. The unit mounts securely into the original housing, connects directly to the motherboard via standard connectors, and requires no soldering or modifications. Installation is straightforward—simply position the PSU, secure the mounting points, and plug into the motherboard connector. Designed to factory specifications, this component restores full power delivery and resolves common issues including startup failures, unexpected shutdowns, and intermittent power loss. Professional-grade reliability without the complexity.

  • Direct Replacement
  • Mounts into place
  • Plugs directly into the motherboard
  • Easy Installation
  • No Soldering required

Installation Difficulty

Difficulty Rating: Easy

This installation is Easy, and only requires basic technical skills.

About Our Rating System

This rating reflects the expertise required to complete the installation smoothly. If the rating suggests a challenge beyond your comfort zone, consider our Expert Installation Service. They're a fantastic way to ensure a perfect fit and finish, saving you time and giving you peace of mind.

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Compatibility

This OEM motherboard is compatible with all Xbox Series S models, making it a universal replacement solution for power failures, unexpected shutdowns, or irreparable board damage. Before ordering, verify your console's model number to ensure proper compatibility and avoid installation delays. A direct replacement restored to manufacturer specifications, this logic board delivers the authentic performance your Series S requires.

  • Compatible with ALL Xbox SERIES S Models
  • Certified Component

    Certified Tested & True. Tested for reliability and fit.

6 Month Warranty

Trust in quality with this certified OEM replacement motherboard for your Xbox Series S. Every unit undergoes rigorous testing and verification through our certified process to ensure peak performance. We're confident in what we deliver—that's why we back this motherboard with a full 180-day guarantee from your delivery date. Whether your console won't power on, shuts down unexpectedly, or needs a board replacement, you can count on us to support your repair with authentic hardware and complete peace of mind.

  • Buy With Confidence!

    This purchase will be covered under our industry-leading warranty!