ASRock
ASRock Challenger Power Supply 550W ATX 2.52 120mm Golf Blade Fan 5 Years Warranty Taiwanese Capacitor CL-550B 80 Plus Bronze Certified Non-Modular
Bottom line: The ASRock Challenger Power Supply 550W ATX 2.52 120mm Golf Blade Fan 5 is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $45.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Backed by ASRock's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
The ASRock Challenger CL-550B is a 550W non-modular power supply built for gamers and PC builders who want reliable performance and quiet operation. Certified 80 PLUS Bronze, it delivers up to 85% efficiency under typical loads, reducing heat and energy costs. Fully ATX 2.52 compliant, it supports modern power delivery requirements for stable system performance. The native fixed cables include a 24-pin ATX, 4+4-pin CPU, two 6+2-pin PCIe connectors for graphics cards, four SATA, and two Molex connectors for easy plug-and-play installation. Cooling is handled by a 120mm golf-blade fan for…
SpecPicks Verdict
SpecPicks scored ASRock Challenger Power Supply 550W ATX 2.52 120mm Golf Blade Fan 5… using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. ASRock's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- System Compatibility: Standard ATX size (140x150x86mm) fits mid-tower and full-tower cases; verify PSU clearance before purchase
- Dedicated Support: Contact us directly through Amazon for any product questions or assistance you may require
- 550W Continuous Power: Delivers 550W with 45.9A on +12V rail; supports mid-range CPUs and GPUs for gaming and productivity builds
- 80 PLUS Bronze Efficiency: Certified 80 PLUS Bronze for up to 85% efficiency; reduces heat output and energy costs during operation
- ATX 2.52 Compliant: Fully compliant with ATX 2.52 standard; supports modern power delivery requirements for stable system performance
- 120mm Golf-Blade Fan: Advanced fan design for optimized airflow and reduced noise; operates quietly under typical loads
Full Specifications
| Brand | ASRock |
|---|---|
| Wattage | 550 watts |
| Dimensions | 140x150x86mm |
| Model Name | CL-550B |
| Form Factor | ATX |
| Model Number | 90-UXC055-BNUAAA |
| Connector Type | ATX, PCI Express |
| Cooling Method | Fan |
| Output Wattage | 550 watts |
| Item Dimensions | 5.51 x 5.91 x 3.39 inches |
| Mfr Part Number | 90-UXC055-BNUAAA |
| Number of Items | 1 |
| 5V BOOST Function | Compensates for voltage drops; boosts +5V rail to maintain stable performance during transient power spikes |
| Dedicated Support | Contact us directly through Amazon for any product questions or assistance you may require |
| ATX 2.52 Compliant | Fully compliant with ATX 2.52 standard; supports modern power delivery requirements for stable system performance |
| Compatible Devices | Personal Computer |
| Power Supply Design | Non-Modular |
| 120mm Golf-Blade Fan | Advanced fan design for optimized airflow and reduced noise; operates quietly under typical loads |
| System Compatibility | Standard ATX size (140x150x86mm) fits mid-tower and full-tower cases; verify PSU clearance before purchase |
| Warranty Description | 5 Years |
Ready to buy?
ASRock Challenger Power Supply 550W ATX 2.52 120mm Golf Blade Fan 5 Years Warranty Taiwanese Capacitor CL-550B 80 Plus Bronze Certified Non-Modular is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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