ASRock PC Power Supplies: 5 Picks Ranked by Specs

Quick picks

Our 5 picks

1 Best overall

ASRock Phantom Gaming 750W ATX 3.1 Power Supply

Best for: Mid-to-high-end gaming builds

Wattage

750W

Efficiency Rating

80 PLUS Gold, Cybenetics Platinum

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Warranty

10 Years

View on Amazon: ASRock Phantom Gaming 750W ATX 3.1 Power Supply Affiliate link

This ASRock power supply delivers 750W with ATX 3.1 support and 80 PLUS Gold efficiency. It features fully modular cabling with individual braided patterns and a PCIe 5.1 12V-2x6 connector. The unit includes iCOOL fan control and a 220% power excursion rating. It suits gamers needing reliable high-performance components and a decade-long warranty for long-term stability.

Pros

• 80 PLUS Gold efficiency rating
• ATX 3.1 standard support
• Fully modular cabling
• 12V-2x6 PCIe connector
• 10-year warranty

Cons

• Heavier build at 7.5 pounds
• Larger dimensions than standard 850W units
• Not compatible with all built-in systems

Good fit if

• You need ATX 3.1 compatibility
• You want fully modular cables
• You prefer a 10-year warranty

Skip if

• You require a compact SFX form factor
• You need higher than 750W output
• You use a pre-built system with compatibility locks

Verdict: ASRock Phantom Gaming PG-750G offers solid 750W performance with modern ATX 3.1 standards and a 10-year warranty. It fits gamers building mid-to-high-end rigs who value cable management and long-term reliability.

2 Best budget

ASRock Challenger 550W Bronze Power Supply

Best for: budget mid-range builds without modular cable needs

Wattage

550W

Efficiency Rating

80 PLUS Bronze

Modularity

Non-Modular

ATX Version

ATX 2.52

PCIe Connector Type

6+2-pin PCIe

Fan Size

120mm

View on Amazon: ASRock Challenger 550W Bronze Power Supply Affiliate link

This non-modular power supply delivers 550W of continuous power, making it suitable for mid-range gaming and productivity builds. It features 80 PLUS Bronze certification for up to 85% efficiency, which helps reduce heat and energy use. The unit includes a 120mm fan and supports ATX 2.52 standards. You get a 5-year warranty and all necessary cables for standard connections.

Pros

• 550W continuous output with 45.9A on the +12V rail
• 80 PLUS Bronze efficiency rating for reduced energy costs
• 5-year manufacturer warranty coverage
• Includes 5V BOOST function to stabilize voltage during spikes

Cons

• Non-modular design means unused cables remain inside the case
• Lacks ATX 3.1 compliance found in newer competitors
• Only includes 6+2-pin PCIe connectors, not the newer 12V-2x6

Good fit if

• You need a reliable power source for mid-range CPUs and GPUs
• You prefer a standard ATX form factor for easy installation
• You want a 5-year warranty for long-term peace of mind

Skip if

• You require fully modular cables for cleaner cable management
• You are building with the latest ATX 3.1 standards
• You need native 12V-2x6 connectors for modern GPUs

Verdict: ASRock Challenger 550W Bronze PSU is a straightforward, budget-friendly option for users who do not need modular cables or the latest ATX 3.1 features. It fits well in standard mid-tower cases where efficiency and stability are priorities over cable flexibility.

3 Also great

ASRock PRO 750G 750W ATX 3.1 Power Supply

Best for: Standard cases needing PCIe 5.1 support

Wattage

750W

Efficiency Rating

80 PLUS Gold

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Fan Size

120mm

Warranty

3-Year

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

The ASRock PRO 750G delivers 750W of power with 80 PLUS Gold efficiency. It features ATX 3.1 and PCIe 5.1 compliance for modern components. The native 12V-2x6 connector supports high-end graphics cards up to 450W. A 120mm fan keeps noise low. This unit suits mid-range to high-end builds needing stable power delivery and future-proofing.

Pros

• 80 PLUS Gold efficiency rating
• ATX 3.1 and PCIe 5.1 ready
• Native 12V-2x6 connector for 450W GPUs
• 120mm quiet cooling fan

Cons

• Shorter 3-year warranty than competitors
• Heavier at 4.78 pounds
• Standard ATX form factor limits compact builds

Good fit if

• You need PCIe 5.1 support for new GPUs
• You want 80 PLUS Gold efficiency
• You build mid-range to high-end systems

Skip if

• You require a longer warranty period
• You need a compact SFX form factor
• You prioritize ultra-lightweight components

Verdict: The ASRock PRO 750G ATX 3.1 offers solid PCIe 5.1 readiness and gold efficiency for standard cases. It fits users who need reliable power for modern GPUs without demanding extended warranty coverage.

4 Best premium

ASRock PG-1600G 1600W Gold PSU

Best for: extreme multi-GPU and overclocked systems

Wattage

1600W

Efficiency Rating

80+ Gold, Cybenetics Platinum

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Warranty

10-Year

Recommended Use

Gaming

View on Amazon: ASRock PG-1600G 1600W Gold PSU Affiliate link

This ASRock power supply delivers 1600W of capacity, designed for extreme multi-GPU setups and heavily overclocked systems. It holds both 80 PLUS Gold and Cybenetics Platinum certifications, ensuring high efficiency. The unit supports ATX 3.1 and PCIe 5.1 standards. It includes a dedicated 600W 12V-2x6 cable with over-temperature protection. You should choose this if you need maximum power headroom for high-end hardware.

Pros

• 1600W power capacity for extreme builds
• Dual 80 PLUS Gold and Cybenetics Platinum efficiency
• Includes 600W 12V-2x6 GPU cable
• 10-year warranty coverage

Cons

• Very high wattage exceeds needs for standard builds
• Large physical size may not fit small cases
• Premium price point for top-tier specs

Good fit if

• You are building a multi-GPU workstation
• You need maximum power for extreme overclocking
• You want top-tier efficiency ratings

Skip if

• You have a standard single-GPU gaming PC
• You are using a small form factor case
• You need a budget-friendly power solution

Verdict: ASRock Phantom Gaming PG-1600W ATX 3.1 PSU is the right choice for enthusiasts building extreme multi-GPU systems or heavily overclocked rigs that demand maximum power and efficiency.

5 Best 650w

ASRock Steel Legend 650W ATX 3.1 Modular PSU

Best for: Efficient mid-range builds with long warranty needs

Wattage

650W

Efficiency Rating

80 PLUS Gold, Cybenetics Platinum

Modularity

Full Modular

ATX Version

ATX 3.1

Fan Size

135 mm

Warranty

10 Years

View on Amazon: ASRock Steel Legend 650W ATX 3.1 Modular PSU Affiliate link

The ASRock Steel Legend 650W is a fully modular power supply built for modern systems. It carries 80 PLUS Gold and Cybenetics Platinum efficiency ratings. The unit features ATX 3.1 compatibility and a 135 mm FDB fan for quiet operation. You get a 10-year warranty and Japanese capacitors for reliability. This model suits builders who want high efficiency and long-term support without needing extreme wattage.

Pros

• 80 PLUS Gold and Cybenetics Platinum certified
• ATX 3.1 ready with full modularity
• 135 mm FDB fan with iCool control
• 10-year warranty coverage

Cons

• 650W output is lower than 750W or 1600W options on this list
• Heavier at 5.71 pounds compared to lighter units
• Not compatible with all built-in computers or systems

Good fit if

• You need high efficiency ratings like Cybenetics Platinum
• You want a 10-year warranty for peace of mind
• You prefer a larger 135 mm fan for quieter operation

Skip if

• You require more than 650W of power
• You are building a system with extreme power demands
• You need a unit compatible with all built-in computers

Verdict: ASRock Steel Legend 650W PSU offers strong efficiency and a long warranty for mid-range builds. It fits users who value quiet cooling and certified reliability over raw wattage.

Specifications side by side

ASRock Power Supply Lineup Overview

ASRock offers five power supplies divided by efficiency and modularity. The Phantom Gaming 750W ATX 3.1 leads as the best overall pick. It features 80 Plus Gold efficiency, fully modular cables, and a 12V-2x6 connector. This unit suits gamers building mid-to-high-end rigs who need reliable power and clean cable management. The Steel Legend 650W also uses ATX 3.1 and Gold certification, offering fully modular flexibility for efficient mid-range builds.

For budget-conscious shoppers, the Challenger 550W Bronze provides a non-modular ATX solution. It lacks modern ATX 3.1 features but delivers stable power for standard mid-tower cases. The PRO 750G targets users needing PCIe 5.1 support in standard cases without extended warranty demands. Finally, the PG-1600G serves extreme multi-GPU and overclocked systems with high wattage and Gold efficiency. Each model addresses specific build requirements.

Where ASRock Fits Your Build

ASRock’s current lineup spans 550W to 1600W, covering entry-level bronze units up to extreme gold options. Most models use standard ATX form factors, though the 1600W unit omits listed dimensions. You will find fully modular and non-modular choices, with gold efficiency dominating the mid-to-high end. The range includes ATX 3.1 support and 12V-2x6 connectors for modern GPUs. However, no listed unit offers 80 Plus Platinum efficiency or a smaller SFX form factor. If you need those specific specs, this brand’s current catalog does not provide them.

How to choose the right ASRock PSU

1. Match efficiency to your budget

   Start by checking the 80 Plus rating, which shows how much power converts to usable energy. Bronze models like the Challenger 550W offer basic efficiency for tight budgets. Gold units, such as the Phantom Gaming 750W, reduce heat and electricity waste. Higher efficiency means less energy loss and cooler operation. You should choose Bronze for entry-level builds where cost matters most. Select Gold for systems that run constantly or demand better thermal performance. This spec directly impacts your long-term operating costs and system stability.

2. Check ATX version for compatibility

   Verify the ATX version to ensure your motherboard and components work correctly. Newer standards like ATX 3.1 support modern GPUs and power delivery needs. The Phantom Gaming 750W and PRO 750G both use this current standard. Older or budget units may lack these updates. You need ATX 3.1 if you are building a system with recent graphics cards. It ensures proper voltage regulation and connector support. Check this spec to avoid compatibility issues with your specific motherboard and CPU platform.

3. Choose modularity for cable management

   Decide if you need fully modular cables for easier installation and cleaner builds. Fully modular units, like the Phantom Gaming 750W and Steel Legend 650W, let you plug in only the cables you use. Non-modular options, such as the Challenger 550W, have all cables attached permanently. Modular designs reduce clutter inside your case and improve airflow. You should pick fully modular if you value a tidy interior. Choose non-modular if you want a simpler, lower-cost setup without extra connectors.

4. Select wattage for your GPU

   Calculate your total power draw to pick the right wattage tier. The lineup ranges from 550W to 1600W to cover various needs. Mid-range builds often fit well with 650W or 750W options. Extreme multi-GPU setups require the 1600W Phantom Gaming model. You must ensure the PSU has enough headroom for peak loads. Underpowered units can cause crashes or instability. Check your GPU and CPU specifications to determine the minimum safe wattage for your specific hardware configuration.

5. Verify PCIe connector type

   Ensure the power supply includes the correct connector for your graphics card. Modern high-end GPUs often require the 12V-2x6 connector for safe power delivery. The Phantom Gaming 750W, PRO 750G, and PG-1600G all feature this connector. It supports PCIe 5.1 standards for next-generation hardware. You need this specific connector to avoid using adapters that might fail. Check this detail if you are installing a recent RTX or Radeon card. It guarantees direct and stable power connection without extra cables.

Frequently asked questions

See also

• best ASRock PC power supplies with 12V-2x6 Connector
• best PC power supplies under 50
• best ASRock motherboards
• best power inverters with inverter