ASRock 550W ATX PSU 90-UXC055-BNGAAA
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About This Item
- 550W Challenger CL-550B ATX PSU
- 80+ Bronze certified efficiency
- Fully wired modular design
- 120mm golf-blade cooling fan
- 5V boost function for stable power
- 5-year manufacturer warranty
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ASRock Challenger CL-550B | 80+ Bronze ATX Power Supply
The ASRock PSU 550W ATX 90-UXC055-BNGAAA delivers reliable power for mid-range gaming and workstation builds. With 80+ Bronze certification and a fully wired design, this Challenger series unit balances efficiency, quiet operation, and long-term durability for UK PC builders.
Key Specifications
| Metric | Spec. |
|---|---|
| Power Output | 550 W |
| Efficiency Rating | 80+ Bronze |
| Fan Size | 120 mm |
| Warranty | 5 years |
| Connectivity | Fully Wired ATX 2.52 |
Built for Efficiency and Quiet Operation
The 80+ Bronze certification ensures at least 85 % efficiency under typical loads, reducing wasted energy and heat output. This means lower electricity costs over time and a cooler-running system. The 120 mm golf-blade fan provides effective cooling while maintaining quiet operation, even during extended gaming sessions or heavy workloads.
Fully Wired for Easy Installation
Every cable is pre-attached, eliminating the need to manage modular connections during installation. This fully wired design simplifies setup for first-time builders and speeds up upgrades for experienced users. The ATX 2.52 standard ensures compatibility with modern motherboards and components.
Built-In 5V Boost Function
The integrated 5V boost function delivers stable power to USB and other low-voltage components, preventing brownouts and ensuring consistent performance. This feature is particularly useful for systems with multiple storage drives or high-powered peripherals.
Reliable 5-Year Warranty
Backed by a 5-year manufacturer warranty, the ASRock Challenger CL-550B offers long-term peace of mind. This coverage reflects ASRock’s confidence in the PSU’s build quality and reliability, making it a dependable choice for both home and office systems.
Package contents
- ASRock Challenger CL-550B 550W PSU
- Power cable (UK plug not specified – confirm with us)
- Mounting screws
- User manual
Things to check first
- Confirm the PSU includes a UK 3-pin plug or requires an adapter.
- Verify your system’s total power draw is within 550 W capacity.
- Check that your case supports standard ATX PSU dimensions.
- Ensure ATX 2.52 compatibility with your motherboard.
Frequently Asked Questions
Is this PSU suitable for gaming PCs?
Does it come with all necessary cables?
What does 80+ Bronze certification mean?
Can I use this PSU in a small form factor case?
Is the fan noisy under load?
Summary & warranty
The ASRock Challenger CL-550B is a dependable choice for UK users building or upgrading mid-range PCs. Its 80+ Bronze efficiency, fully wired convenience, and quiet cooling make it well-suited for gaming, content creation, and everyday use. Covered by the applicable manufacturer warranty, this PSU offers solid performance without unnecessary complexity.
| Brand | ASRock |
|---|---|
| MPN | 90-UXC055-BNGAAA |
| Type | PSU |
| Manufacturer Product Type | Asrock PSU |
| Model | Asrock 90-UXC055-BNGAAA |
| Series | Asrock 90-UXC055-BNGAAA |
| Internet Connectivity | Wired |
| Connectivity | Wired |
| Manufacturer Part Number | 90-UXC055-BNGAAA |
| EAN | 4710483948015 |
| Country of Origin | China |
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