Looking Beyond the Be Quiet! Pure Power 12 750W? 6 Alternatives Worth a Look

How alternatives differ from this unit

ASRock Phantom Gaming 750W ATX 3.1 Power Supply

The ASRock Phantom Gaming 750W shifts from a standard rectangular shape to a compact square design measuring 5.91 by 5.91 inches. This smaller footprint saves space in tight cases where the longer Be Quiet! unit might not fit. Both units offer 80 PLUS Gold efficiency and ATX 3.1 support with the 12V-2x6 connector. The ASRock model is fully modular, whereas the Be Quiet! spec sheet does not explicitly state modularity. If you need a shorter power supply to fit small form factor cases, the ASRock is the practical choice. It retains the modern connector support while offering a different physical profile for builders with space constraints.

Apevia Galaxy 750W Gold ATX 3.1 Power Supply

The Apevia Galaxy 750W matches the 750W output and 80 PLUS Gold efficiency of the Be Quiet! unit. It also supports ATX 3.1 and PCIe 5.1 standards. The key difference lies in the physical dimensions and weight. The Apevia is slightly shorter at 6.2 inches compared to the Be Quiet! 5.12 inches, but it is significantly lighter at 4.6 pounds versus the heavier Be Quiet! build. Both are fully modular. If you want a similarly efficient unit with modern connector support but prefer a lighter build or a slightly different form factor, the Apevia offers a solid alternative. It provides the same core specs without the premium branding associated with the Be Quiet! model.

Corsair RM750x Shift White 750W ATX Power Supply

The Corsair RM750x Shift 750W shares the 750W output, 80 PLUS Gold efficiency, and ATX 3.1 support with the Be Quiet! Pure Power 12. Both units are fully modular and support PCIe 5.1. The major difference is the connector placement. The Corsair features side-mounted connectivity, which can improve cable management in mid to large cases. The Be Quiet! uses standard rear-mounted connectors. The Corsair is also lighter at 3.75 pounds. If clean cable management is your priority and you have a case that supports side-mounted PSU connections, the Corsair offers a distinct advantage. Otherwise, the Be Quiet! remains a strong option for quiet operation with standard connectivity.

MSI MAG 850W Fully Modular ATX Power Supply

The MSI MAG 850W moves up to 850W of continuous power, providing more headroom than the 750W Be Quiet! unit. Both are 80 PLUS Gold, ATX 3.1, and fully modular with PCIe 5.1 support. The MSI unit is larger, measuring 12 inches in length compared to the Be Quiet! 5.12 inches. It also includes a 10-year warranty, which is a specific attribute listed for the MSI model. If your system demands more power for future GPU upgrades or heavy workloads, the 850W capacity is beneficial. However, you must ensure your case can accommodate the longer 12-inch unit. The Be Quiet! is better for standard 750W needs with a much smaller footprint.

MSI MPG 850W Gold ATX 3.1 Power Supply

The MSI MPG 850W offers 850W of power, exceeding the 750W rating of the Be Quiet! Pure Power 12. Like the Be Quiet!, it is 80 PLUS Gold, ATX 3.1, fully modular, and supports PCIe 5.1. The MSI unit is a compact square design at 5.91 inches, similar in footprint to the ASRock but larger than the Be Quiet! 5.12 inches. It also lists a 10-year warranty. If you need extra power for high-end components but want to maintain a compact form factor, this is a strong choice. The Be Quiet! is preferable if you strictly need 750W and want a proven quiet operation with a standard rectangular shape.

MSI MAG 850W Gold Fully Modular PSU

The MSI MAG 850W Gold PSU provides 850W of power, which is 100W more than the Be Quiet! Pure Power 12. Both units share 80 PLUS Gold efficiency, ATX 3.1 support, full modularity, and PCIe 5.1 connectivity. The MSI unit is significantly larger at 12 inches in length compared to the Be Quiet! 5.12 inches. It also includes a 10-year warranty. If your build requires higher wattage for demanding GPUs and you have ample case space, the MSI offers more power. The Be Quiet! is the better fit for standard 750W builds where space is limited and quiet operation is the primary goal. The difference comes down to power headroom versus physical size.

Quick picks

Our 7 picks

1 Best overall

Be Quiet! Pure Power 12 750W ATX 3.1 PSU

Best for: quiet gaming builds with modern GPUs

Wattage

750W

Efficiency Rating

80 PLUS Gold

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6, PCIe 6+2-pin

Fan Size

120mm

Warranty

10 Year

View on Amazon: Be Quiet! Pure Power 12 750W ATX 3.1 PSU Affiliate link

This is a 750W ATX 3.1 power supply designed for gaming systems. It carries an 80 PLUS Gold certification, reaching up to 92.8% efficiency. The unit features a single 12V rail and includes a native 12V-2x6 connector alongside three PCIe 6+2-pin ports. A temperature-controlled 120mm fan helps keep operation quiet. It handles power spikes up to double its rated capacity, making it suitable for modern graphics cards.

Pros

• 80 PLUS Gold efficiency rating up to 92.8%
• ATX 3.1 standard with native 12V-2x6 connector
• Single 12V rail handles power excursions up to 1500W
• Temperature-controlled 120mm fan for quiet operation

Cons

• Standard ATX dimensions may not fit compact cases
• Single 12V rail limits multi-rail flexibility
• No mention of digital control or monitoring features

Good fit if

• You need native support for PCIe 5.1 graphics cards
• You prioritize quiet operation in a gaming build
• You want high efficiency to reduce heat output

Skip if

• You require a compact SFX form factor
• You need multiple independent 12V rails
• You want digital monitoring or app control

Verdict: be quiet! Pure Power 12 750W ATX 3.1 fits builders who want a quiet, efficient power supply for modern GPUs. It supports next-generation connectors and handles high power spikes reliably.

2 Also great

ASRock Phantom Gaming 750W ATX 3.1 Power Supply

Best for: Compact builds needing high efficiency

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

The ASRock Phantom Gaming PG-750G is a 750W fully modular power supply built for ATX 3.1 systems. It carries an 80 PLUS Gold and Cybenetics Platinum efficiency rating. The unit features a compact 5.91-inch square form factor. It includes a PCIe 5.1 cable with an NTC sensor. This model is suitable for gamers seeking high efficiency and a 10-year warranty.

Pros

• 80 PLUS Gold and Cybenetics Platinum efficiency rating
• Fully modular cabling with individual braided pattern
• Includes PCIe 5.1 cable with NTC sensor
• Compact 5.91 x 5.91 x 3.39 inch dimensions
• 10-year global warranty

Cons

• Heavier at 7.5 pounds compared to some competitors
• Square form factor may not fit all small cases
• Not compatible with all built-in computers or systems

Good fit if

• You need a compact 100mm square PSU for tight cases
• You want Cybenetics Platinum efficiency certification
• You prefer fully modular cables with a braided finish

Skip if

• You require a standard rectangular ATX size
• You are building a pre-built system that may not support this unit
• You need a power supply under 7.5 pounds

Verdict: ASRock Phantom Gaming PG-750G offers a compact square design and top-tier efficiency for builders with space constraints. It fits users who prioritize a 10-year warranty and advanced PCIe 5.1 cable features.

3 Best budget

Apevia Galaxy 750W Gold ATX 3.1 Power Supply

Best for: Budget gaming builds needing Gold efficiency

Wattage

750W

Efficiency Rating

80+ Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12VHPWR

Fan Size

135mm

View on Amazon: Apevia Galaxy 750W Gold ATX 3.1 Power Supply Affiliate link

The Apevia Galaxy 750W is a fully modular power supply built for modern gaming rigs. It carries an 80 Plus Gold efficiency rating and supports the ATX 3.1 standard with a PCIe 5.1 12VHPWR connector. The unit features a 135mm fan and uses 100% Japanese capacitors for stable voltage. It is a solid choice if you need reliable power delivery without paying premium prices for top-tier brands.

Pros

• 80 Plus Gold certified efficiency
• ATX 3.1 compliance
• 135mm fluid dynamic bearing fan
• 100% Japanese capacitors

Cons

• Heavier than competitors at 4.6 pounds
• Larger dimensions than compact models
• Less established brand reputation

Good fit if

• You want 80 Plus Gold efficiency
• You need a fully modular design
• You are building a mid-range gaming PC

Skip if

• You need the smallest possible form factor
• You require a 1000W power supply
• You prioritize brand prestige over value

Verdict: Apevia Galaxy 750W Gold PSU offers solid specs for budget-conscious builders. It fits users who want modern ATX 3.1 support without the cost of premium brands.

4 Also great

MSI MAG 850W Fully Modular ATX Power Supply

Best for: High-end gaming builds needing 850W

Wattage

850W

Efficiency Rating

80+ Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Warranty

10 Year

View on Amazon: MSI MAG 850W Fully Modular ATX Power Supply Affiliate link

The MSI MAG A850GL is a fully modular 850W power supply designed for gaming systems. It meets ATX 3.1 standards and supports PCIe 5.1 with a 12V-2x6 connector. The unit holds an 80 Plus Gold efficiency rating and includes a 10-year warranty. Its compact dimensions help fit into smaller cases. This model suits users needing high wattage and modern connectivity.

Pros

• 850W output capacity
• 10-year warranty coverage
• ATX 3.1 and PCIe 5.1 support
• 12V-2x6 connector included
• 80 Plus Gold efficiency

Cons

• Slightly larger width at 8.75 inches
• Heavier build due to higher wattage
• No mention of fan noise levels

Good fit if

• You need 850W for high-end GPUs
• You want a long warranty period
• You use ATX 3.1 compatible cases

Skip if

• You require a very small form factor
• You only need 750W or less
• You prioritize silent operation specs

Verdict: MSI MAG A850GL 850W Gold PSU provides robust power and a long warranty for gamers building with ATX 3.1 systems. It fits users who need headroom for future GPU upgrades.

5 Also great

Corsair RM750x Shift White 750W ATX Power Supply

Best for: Clean cable management in mid to large cases

Wattage

750W

Efficiency Rating

80 Plus Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

Fan Size

140mm

PCIe Version

PCIe 5.1

View on Amazon: Corsair RM750x Shift White 750W ATX Power Supply Affiliate link

The Corsair RM750x Shift is a 750W fully modular power supply built for modern builds. It carries an 80 Plus Gold efficiency rating and supports ATX 3.1 and PCIe 5.1 standards. The side-mounted modular connectors and micro-fit cables simplify cable management in tight cases. A 140mm fan ensures quiet operation. This unit suits users who value clean builds and reliable power delivery for high-end components.

Pros

• Side-mounted modular connectors for easier cable access
• ATX 3.1 and PCIe 5.1 certification
• 140mm fan for low noise operation
• Fully modular design with micro-fit connectors

Cons

• Heavier at 3.75 pounds than many competitors
• Larger width of 5.91 inches may limit fit in small cases
• Higher price point compared to standard modular units

Good fit if

• You need side-mounted connectors for cleaner cable routing
• You are building with ATX 3.1 compatible components
• You prefer a larger fan for quieter operation

Skip if

• You require a compact form factor for small cases
• You need the lowest possible weight for portable builds
• You are on a strict budget for entry-level parts

Verdict: Corsair RM750x Shift 750W ATX 3.1 offers side-mounted connectivity and ATX 3.1 support, making it ideal for enthusiasts prioritizing cable management and modern standards in mid to large cases.

6 Best premium

MSI MPG 850W Gold ATX 3.1 Power Supply

Best for: Compact builds needing 850W and PCIe 5.1

Wattage

850W

Efficiency Rating

80+ Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Warranty

10 Year

View on Amazon: MSI MPG 850W Gold ATX 3.1 Power Supply Affiliate link

The MSI MPG A850G is an 850W fully modular power supply built for modern gaming builds. It meets ATX 3.1 and PCIe 5.1 standards with a native 12V-2x6 cable. The unit uses 100% Japanese 105°C capacitors and carries an 80 Plus Gold efficiency rating. Its compact dimensions help fit into smaller cases while supporting high-end graphics cards.

Pros

• 850W output capacity
• Native 12V-2x6 PCIe connector
• ATX 3.1 and PCIe 5.1 support
• 10-year limited warranty
• Compact 5.91 x 3.39 x 5.91 inch form factor

Cons

• Heavier than many competitors at 7.15 pounds
• Higher wattage than the 750W options on this list
• No mention of software control or monitoring features

Good fit if

• You need 850W for a high-end GPU
• You want a compact PSU for a small case
• You require the latest ATX 3.1 standard

Skip if

• You strictly need 750W capacity
• You prefer a lighter power supply
• You want built-in fan control software

Verdict: MSI MPG A850G 850W ATX 3.1 is a solid choice for gamers who need extra headroom and a compact form factor. It fits best in builds requiring PCIe 5.1 support without sacrificing case space.

7

MSI MAG 850W Gold Fully Modular PSU

Best for: Systems needing 850W and PCIe 5.1 support

Wattage

850W

Efficiency Rating

80 PLUS Gold

Modularity

Fully Modular

ATX Version

ATX 3.1

PCIe Connector Type

12V-2x6

Warranty

10 Year

View on Amazon: MSI MAG 850W Gold Fully Modular PSU Affiliate link

The MSI MAG A850GL is a fully modular 850W power supply built for modern gaming systems. It carries an 80 PLUS Gold efficiency rating and supports ATX 3.1 and PCIe 5.1 standards. The unit features a 12V-2x6 connector for next-gen graphics cards. Its compact dimensions help fit into smaller cases. It includes a 10-year limited warranty for long-term reliability.

Pros

• 850W output capacity
• 80 PLUS Gold efficiency
• ATX 3.1 and PCIe 5.1 support
• Fully modular cable design
• 10-year limited warranty

Cons

• 850W exceeds the 750W target of this comparison
• Dimensions are 12 x 8.75 x 4.92 inches
• Only includes a single 12V-2x6 connector

Good fit if

• You need more than 750W for high-end GPUs
• You want ATX 3.1 and PCIe 5.1 readiness
• You prefer a fully modular design with a long warranty

Skip if

• You are strictly limited to 750W or less
• You need multiple native 12V-2x6 connectors
• You require a significantly smaller form factor

Verdict: MSI MAG A850GL 850W Gaming PSU is a solid option for builders who need extra headroom beyond 750W while maintaining high efficiency and modern connector support.

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