Best ASRock Pcie 5.1 PC Power Supplies in 2026: 4 Picks

Quick picks

The best fit for you

• You need a balanced option for mid-range builds ASRock Steel Legend 750W ATX3.1 It offers 750W output with 80 Plus Gold efficiency and PCIe 5.1 support.
• You require high wattage for enthusiast gaming systems ASRock Phantom Gaming 1000W Gold This unit provides 1000W capacity with 80 Plus Gold efficiency for heavy loads.
• You want to save money on core components ASRock Challenger 750W Non-Modular PSU It delivers 750W with 80 Plus Bronze efficiency and a non-modular design.

Our 4 picks

1 Best overall

ASRock Steel Legend 750W ATX3.1

Best for: Mid-range builds needing PCIe 5.1 support

PCIe Version

PCIe 5.1 (what this guide is about)

Wattage

750W

Efficiency Rating

80 PLUS Gold

Modularity

Full Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

View on Amazon: ASRock Steel Legend 750W ATX3.1 Affiliate link

This ASRock Steel Legend unit delivers 750W of power with full modularity and ATX 3.1 support. It meets PCIe 5.1 standards for modern GPUs and includes a 12V-2x6 connector. The 135 mm FDB fan offers quiet operation, while the 10-year warranty provides long-term reliability. It suits builders needing efficient, stable power for mid-to-high-end systems.

Pros

• 80 PLUS Gold efficiency certification
• Fully modular cable design
• ATX 3.1 and PCIe 5.1 ready
• 10-year warranty coverage

Cons

• 750W output may limit high-end dual-GPU setups
• 135 mm fan increases depth to 5.91 inches
• No mention of smart monitoring features

Good fit if

• You need PCIe 5.1 compatibility for new GPUs
• You prefer fully modular cables for clean builds
• You want an 80 PLUS Gold efficiency rating

Skip if

• You require more than 750W of power
• You have a small form factor case with limited depth
• You need smart monitoring or app control

Verdict: ASRock Steel Legend 750W ATX3.1 is a solid choice for gamers and creators who prioritize efficiency and modern connector standards. It fits well in standard mid-tower cases where depth is not a constraint.

2 Best premium

ASRock Phantom Gaming 1000W Gold

Best for: High-end gaming PCs requiring 1000W

PCIe Version

PCIe 5.1 (what this guide is about)

Wattage

1000W

Efficiency Rating

80 PLUS Gold

Modularity

Full Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

View on Amazon: ASRock Phantom Gaming 1000W Gold Affiliate link

This ASRock power supply delivers 1000W of output with 80 PLUS Gold efficiency. It supports ATX 3.1 and includes a PCIe 5.1 cable with an NTC sensor for safe high-power connections. The unit features fully modular cabling with individual braided patterns. It also offers a 220% total power excursion rating. This model suits gamers needing robust power delivery for demanding systems.

Pros

• 80 PLUS Gold efficiency rating
• Fully modular cabling with braided pattern
• PCIe 5.1 cable with NTC sensor
• 220% total power excursion support

Cons

• Larger 5.91 x 5.91 x 3.39 inch dimensions
• Only available in 1000W for this specific model line
• Not compatible with all built-in computers

Good fit if

• You need 1000W of power for high-end gaming
• You want fully modular cabling for clean builds
• You require PCIe 5.1 support with thermal monitoring

Skip if

• You have a small form factor case with limited space
• You are building a low-power office or media PC
• You need a non-modular power supply for simplicity

Verdict: ASRock Phantom Gaming 1000W PSU is a high-capacity unit for enthusiasts who need reliable power and modern connectivity. It fits users prioritizing cable management and thermal safety in their graphics card connections.

3 Best budget

ASRock Challenger 750W Non-Modular PSU

Best for: Budget ATX builds with PCIe 5.1 GPUs

PCIe Version

PCIe 5.1 (what this guide is about)

Wattage

750W

Efficiency Rating

80 PLUS Bronze

Modularity

Non-Modular

ATX Version

ATX 2.52

PCIe Connector Type

12V-2x6

View on Amazon: ASRock Challenger 750W Non-Modular PSU Affiliate link

The ASRock Challenger 750W is a non-modular ATX 2.52 power supply with 80 Plus Bronze efficiency. It supports PCIe 5.1 and includes a native 12V-2x6 connector for modern GPUs. The unit features a 120mm Golf-blade fan and a 5V BOOST function. Its compact dimensions fit standard cases. It suits users seeking reliable baseline performance for mid-range builds.

Pros

• 80 Plus Bronze certified efficiency
• PCIe 5.1 ready with native 12V-2x6 connector
• 120mm Golf-blade fan for cooling
• Built-in 5V BOOST function

Cons

• Non-modular design requires managing all cables
• 80 Plus Bronze rating is lower than Gold options
• 5-year warranty is shorter than premium competitors

Good fit if

• You need a budget-friendly ATX power supply
• You want PCIe 5.1 support for new GPUs
• You prefer a compact non-modular unit

Skip if

• You require full modularity for clean builds
• You need 80 Plus Gold efficiency
• You want a longer warranty period

Verdict: ASRock Challenger 750W ATX Power Supply offers solid PCIe 5.1 support and Bronze efficiency for budget-conscious builders. It fits users who prioritize core specs over modularity.

4 Also great

ASRock PRO 750G 750W ATX 3.1 Power Supply

Best for: Standard ATX builds needing PCIe 5.1 support

PCIe Version

PCIe 5.1 (what this guide is about)

Wattage

750W

Efficiency Rating

80 PLUS Gold

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Fan Size

120mm

View on Amazon: ASRock PRO 750G 750W ATX 3.1 Power Supply Affiliate link

The ASRock PRO 750G is a 750W power supply designed for modern builds. It features 80 PLUS Gold efficiency and supports ATX 3.1 and PCIe 5.1 standards. The unit includes a native 12V-2x6 connector for high-performance graphics cards. Its 120mm fan ensures quiet operation. This model suits users seeking reliable power delivery for mid-range to high-end systems within a standard ATX case.

Pros

• 80 PLUS Gold certification for up to 90% energy efficiency
• Native 12V-2x6 connector supports up to 450W power delivery
• ATX 3.1 and PCIe 5.1 compliant for next-gen components
• 120mm cooling fan optimized for low-noise operation

Cons

• Shorter 3-year warranty compared to competitors
• Heavier build at 4.78 pounds
• Standard ATX form factor may not fit small cases

Good fit if

• You need native PCIe 5.1 support for modern GPUs
• You want high energy efficiency with 80 PLUS Gold
• You are building a mid-range to high-end ATX system

Skip if

• You require a longer warranty than 3 years
• You need a smaller SFX form factor for compact builds
• You want a higher wattage than 750W

Verdict: ASRock PRO 750G 750W ATX 3.1 fits users who prioritize efficiency and modern connector support for their graphics cards. It is a solid choice for standard ATX cases where weight and warranty length are not primary concerns.

Specifications side by side

How to choose the right one

1. Check efficiency ratings

   You should verify the 80 Plus rating to understand power waste. Gold-rated units like the Steel Legend and Phantom Gaming convert more electricity into usable power. This reduces heat and lowers your electricity bill over time. Bronze options, such as the Challenger, are less efficient but often cost less upfront. Choose Gold for high-performance builds where thermal management matters. Select Bronze for budget systems where initial cost is the main priority. Higher efficiency means less energy loss during operation.

2. Verify PCIe 5.1 support

   Ensure the power supply supports PCIe 5.1 for modern graphics cards. All listed models include the 12V-2x6 connector required for this standard. This connector handles higher power demands safely. It eliminates the need for multiple adapters that can clutter your case. Verify this spec if you are building a system with a new GPU. Older units may lack this native support. Proper PCIe 5.1 support ensures stable power delivery for demanding graphics workloads.

3. Assess modularity needs

   Decide if you need fully modular or non-modular cables. Fully modular units like the Steel Legend and Phantom Gaming let you plug in only the cables you use. This improves airflow and simplifies cable management inside your case. Non-modular units, like the Challenger, have all cables attached permanently. This can create clutter but may be simpler for basic builds. Choose modular for clean builds. Pick non-modular if you prefer a straightforward setup without extra connectors.

4. Match wattage to GPU

   Select a wattage that meets your graphics card requirements. The Steel Legend and Challenger offer 750W, which suits mid-range builds. The Phantom Gaming provides 1000W for high-end enthusiast systems. Higher wattage ensures your system handles peak loads without strain. Do not oversize significantly, as it may reduce efficiency at low loads. Check your GPU manufacturer recommendations. Ensure the PSU provides enough headroom for future upgrades or overclocking.

5. Confirm ATX version

   Check the ATX version for compatibility with modern motherboards. The Steel Legend, Phantom Gaming, and PRO models support ATX 3.1. This version aligns with the latest power delivery standards. It ensures stable voltage regulation for current components. Older ATX versions may lack specific features needed for new hardware. Verify this spec to avoid compatibility issues. ATX 3.1 support indicates the unit meets recent industry requirements for efficiency and connector layouts.

Frequently asked questions

See also

• best ASRock PC power supplies with 12V-2x6 Connector
• best ASRock 850W PC power supplies
• best ASRock motherboards with pcie 5 0
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