ASRock PRO-750B Power Supply - 750W 80 Plus Bronze Certified, ATX 3.1 Ready, PCIe 5.1 Compatible (450W), 120mm Fan, Full Protection Circuit, 3-Year Warranty
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AI Verdict
This 750W 80 PLUS Bronze ATX 3.1 PSU with a native 450W PCIe 5.1 connector is for budget-focused builds needing modern GPU support.
This 750W 80 PLUS Bronze power supply is a situational fit for new PC builds needing ATX 3.1 and PCIe 5.1 compatibility for a single modern GPU up to 450W. Its entry-level price band and Bronze efficiency mean it balances cost with essential modern features, but it's not for top-tier systems.
If you need higher efficiency or more robust power delivery for multiple high-end components, look for 80 PLUS Gold or Platinum certified PSUs with higher wattage and longer warranties.
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Pros
- Provides 750 watts of power, suitable for mid-range system builds.
- Features 80 PLUS Bronze certification for energy efficiency.
- Complies with ATX 3.1 standards, supporting 200% power excursions for next-gen components.
- Includes a native 12V-2x6 connector, delivering up to 450W for PCIe 5.1 graphics cards.
- Delivers a stable 62.5A on the +12V rail for consistent CPU and GPU performance.
- Incorporates OCP, OVP, UVP, OPP, OTP, and SCP for comprehensive system component safety.
Cons
- The 80 PLUS Bronze efficiency is a lower tier compared to Gold or Platinum rated PSUs.
- The 3-year warranty is shorter than the 5-10 years offered by some competitors in the power supply category.
- No user feedback is available yet to confirm the 'low noise 120mm FAN' claim under load.
- The product's release date is in the future, meaning no real-world performance or reliability data exists.
Dimension Scores
The 750W output is suitable for mid-range systems, and 80 PLUS Bronze certification provides a baseline efficiency, though not top-tier.
It features a 120mm fan, which is standard, and is advertised for quiet operation, but there are no user reports to confirm this under load.
The inclusion of a full protection circuit and a 3-year warranty suggests a standard level of quality for an entry-level PSU.
The product description does not specify if the cables are modular or semi-modular; assuming fixed cables, which is typical for entry-level PSUs, cable management options would be average.
Best For
- Budget-conscious PC builders needing ATX 3.1 and PCIe 5.1 compatibility.
- Mid-range gaming PCs with a single modern graphics card requiring up to 450W.
- Systems where a 750W power output is sufficient without needing higher efficiency ratings.
Not Recommended For
- High-end systems with power-hungry GPUs exceeding 450W on the 12V-2x6 connector.
- Users prioritizing maximum energy efficiency (Gold, Platinum, Titanium rated PSUs).
- Anyone seeking a power supply with extensive user reviews and long-term reliability reports.
Watch Out For
- No user-reported pitfalls are available yet as the ASRock PRO-750B Power Supply is scheduled for release on September 26, 2025.
Full Specifications
| ASIN | B0FSVHKKRT |
| Brand | ASRock |
| Wattage | 750 watts |
| Model Name | PRO-750B |
| Form Factor | ATX |
| Item Weight | 4.24 pounds |
| Manufacturer | ASRock |
| Connector Type | PCI Express, SATA |
| Cooling Method | Air |
| Output Wattage | 750 Watts |
| Item model number | 90-UXR075-BNUAA2 |
| Compatible Devices | Personal Computer |
| Product Dimensions | 5.51 x 5.91 x 3.39 inches |
| Power Supply Design | Non-Modular |
| Item dimensions L x W x H | 5.51 x 5.91 x 3.39 inches |
What Buyers Say
As the ASRock PRO-750B Power Supply is scheduled for release on September 26, 2025, there are currently no user reviews available to summarize. Therefore, common praise, complaints, and ownership notes cannot be derived from actual user experiences at this time.
“No user reviews available yet as the product has not been released.”
Frequently Asked Questions
What does '80 PLUS Bronze Certified' mean?
It means the power supply is at least 82% efficient at 20% load, 85% at 50% load, and 82% at 100% load. This is a basic level of energy efficiency, meaning less power is wasted as heat compared to uncertified PSUs.
Is this power supply compatible with the latest graphics cards?
Yes, it is PCIe 5.1 compatible and includes a native 12V-2x6 connector that can deliver up to 450W, which supports many modern graphics cards.
What is ATX 3.1 compatibility?
ATX 3.1 is the latest power supply standard, designed to handle power excursions (temporary spikes in power draw) from modern components, particularly GPUs. This PSU can handle 200% power excursions.
What kind of safety protections does this PSU offer?
It includes a full suite of safety protections: Over Current Protection (OCP), Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP).
Is the fan quiet during operation?
The specifications state it has a 120mm cooling fan designed for low noise levels. However, as the product is not yet released, there is no user feedback to confirm its quietness under various loads.
Buying Guide
When buying a power supply, you're essentially picking the heart of your PC. It needs to deliver enough power for all your components, especially your graphics card and CPU, without wasting too much energy. You'll want to match its wattage to your system's needs and consider its efficiency rating, which tells you how much power it converts to usable electricity versus heat. Also, look at the connectors to make sure it has everything your parts require, especially for newer GPUs.
Wattage (750W)
80 PLUS Bronze Certified
ATX 3.1 & PCIe 5.1 Compatible (450W)
Alternatives
If this PSU doesn't fit, consider models with 80 PLUS Gold or higher efficiency for less heat and potential long-term energy savings, or higher wattage (850W+) if you plan on running multiple high-end components or overclocking.
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