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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
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

4.4(262 reviews, all variants)
Amazon's Choiceentry$50-$99
#22 in Computer Power Supplies
modular
Modular
wattage
550 watts
fan size
120mm
connector
ATX, PCI Express
compatible
Personal Computer
form factor
ATX
cooling method
Air

Want the best price and purchase timing?

Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

This 550W 80 Plus Bronze ATX 2.52 power supply with Taiwanese capacitors is for budget PC builds needing basic, non-modular power.

Situational Fit

This 550W 80 Plus Bronze power supply is a fit for basic PC builds that don't demand a lot of power or advanced features. Its 85% efficiency and 5-year warranty are solid for its price band, but the non-modular design and lack of PCIe 5.1 connectors limit its appeal for more complex or future-proof systems.

If you need cleaner cable management or plan to upgrade to a high-end GPU, look for a fully modular power supply with 80 Plus Gold certification and PCIe 5.1 connectors.

Regret Score™

Medium Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

39/100
vs. 1,285 Power & Cooling we've analyzedSafer than 16%
Hidden Defects
13/35

Issues discovered after purchase

Achilles' Heel
7/25

Critically weak dimension

Expectation Gap
10/20

Amazon rating vs actual quality

Fit Risk
9/20

Chance this product isn't for you

BuyChoice Score
2.6

Pros

  • Achieves 85% efficiency at typical loads, certified 80 Plus Bronze.
  • Includes a 5-year warranty, which is longer than some competing models.
  • Features all Taiwanese capacitors, contributing to durability and voltage stability.
  • Built-in 5V BOOST function can increase the +5V rail to +5.2V for enhanced stability.
  • Comes with a full suite of protections including OCP, SCP, OVP, UVP, OTP, OPP.

Cons

  • The product title states 'Non-Modular', which can lead to more cable clutter in smaller cases.
  • Cables for peripheral connectors are flat, but the 24-pin motherboard cable is sleeved, not fully flat.
  • OEM (HEC) is not as widely recognized as some top-tier manufacturers, raising questions about long-term performance compared to premium brands.
  • Lacks PCIe 5.1 connectors and TempGuard for newer, high-power GPUs.

Dimension Scores

Efficiency & Output6/10

The 80 Plus Bronze certification indicates 85% efficiency at typical loads, which is standard for its category.

Noise Level6/10

It features a 120mm Golf-blade fan, which is designed for efficient cooling and aims for low noise levels.

Build Quality6/10

The use of all Taiwanese capacitors and a 5-year warranty suggest a commitment to component quality and longevity for its price point.

Cable Management3/10

The 'Non-Modular' design means all cables are permanently attached, making clean cable routing difficult, especially in smaller PC cases.

Best For

  • Entry-level gaming PCs with a single mid-range GPU and CPU.
  • Workstations with low to moderate power demands.
  • Budget-conscious PC builders prioritizing cost over advanced features.
  • Systems where cable management isn't a top priority due to case size or design.

Not Recommended For

  • High-end gaming rigs with multiple power-hungry components.
  • Small form factor builds where space for excess cables is limited.
  • Users who demand the absolute quietest operation under load.

Watch Out For

  • The product title explicitly states 'Non-Modular', which contradicts the 'Modular' specification listed in the product data and 'semi-modular' in the description, meaning all cables are permanently attached and can create cable management challenges.
  • The 5-year warranty, while decent for the price, is shorter than the 10-year warranties offered on ASRock's higher-tier PSUs.
  • The OEM, HEC, is not as well-known as some other manufacturers, which might concern users looking for established track records in PSU manufacturing.
  • The absence of PCIe 5.1 connectors means it's not ready for the latest generation of power-hungry graphics cards.

Full Specifications

ASINB0DG9TJZ3Y
BrandASRock
Wattage550 watts
Model NameCL-550B
Form FactorATX
Item Weight4.91 pounds
ManufacturerASRock
Connector TypeATX, PCI Express
Cooling MethodAir
Output Wattage550 Watts
Item model number90-UXC055-BNUAAA
Compatible DevicesPersonal Computer
Product Dimensions5.51 x 5.91 x 3.39 inches
Power Supply DesignNon-Modular
Item dimensions L x W x H5.51 x 5.91 x 3.39 inches

What Buyers Say

This ASRock Challenger 550W PSU is a straightforward option for anyone building a budget PC, but don't expect any frills. The biggest head-scratcher is the conflicting information about its modularity; the title says 'Non-Modular' while the product data lists 'Modular' and the description 'semi-modular'. For practical purposes, assume it's non-modular, which means you'll be dealing with all the cables whether you need them or not. It's got Taiwanese capacitors and a 5-year warranty, which are solid for the price, but it's definitely not for high-power builds or those chasing the latest GPU tech.

“Needed a cheap PSU for my old gaming rig, this 550W ASRock does the job, but man, the cables are a mess in my small case, wish it was actually modular like some places said.”

Common Praise

  • The 80 Plus Bronze efficiency rating helps keep power waste down.
  • The 5-year warranty provides a decent period of coverage.
  • The inclusion of all Taiwanese capacitors is a positive for component quality.
  • The 5V BOOST function is a nice touch for maintaining stable voltage on the +5V rail.

Common Complaints

  • The non-modular cable design makes cable management a pain, especially in compact cases.
  • Lacks support for newer PCIe 5.1 power connectors, limiting compatibility with some modern GPUs.
  • The OEM (HEC) is not as established as some other PSU manufacturers, which can be a concern for some builders.
  • The flat cables for peripherals are okay, but the sleeved 24-pin cable can still be stiff and hard to bend.

Ownership Tips

  • The non-modular cables really do take up a lot of space, making it tough to keep the inside of the case tidy.
  • The fan is audible under load, but not excessively loud for a budget unit.
  • The power delivery feels stable enough for my Ryzen 5 and RX 6600, no unexpected shutdowns.
  • The 5V BOOST feature is something I didn't even know I needed, but my USB devices seem to be running without issues.

Frequently Asked Questions

Is this power supply suitable for a gaming PC?

Yes, it's suitable for entry-level gaming PCs with a single mid-range GPU, as long as the total system wattage stays within the 550W limit and the GPU doesn't require PCIe 5.1 power connectors.

What kind of capacitors does this PSU use?

It uses all Taiwanese capacitors, which are known for their durability and contribute to stable voltage delivery.

Is the ASRock Challenger CL-550B modular?

The product title specifies 'Non-Modular', meaning all cables are permanently attached. This can make cable management more challenging than with modular units.

What is the warranty period for this power supply?

The ASRock Challenger CL-550B comes with a 5-year warranty.

Does it have a 5V BOOST function?

Yes, it has a built-in 5V BOOST function that can increase the +5V rail to +5.2V to help maintain stable voltage for components like USB devices.

Buying Guide

When you're looking at a power supply, you're basically picking the heart of your PC. You need enough wattage to power all your components, but also good efficiency so you're not wasting electricity and generating too much heat. Cable management is also a big deal; non-modular PSUs like this one have all cables permanently attached, which can make your build look messy and restrict airflow if you're not careful. A longer warranty usually means the manufacturer trusts their product's durability.

Wattage (550W)

80 Plus Bronze Certified (85% efficiency)

Non-Modular

Taiwanese Capacitors

Alternatives

If this PSU doesn't quite fit, look for a 650W or 750W power supply with 80 Plus Gold certification for better efficiency, and consider a semi-modular or fully modular design for improved cable management.

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