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be quiet! Straight Power 12-1500w Modular Power vs GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus

Updated August 2026 — be quiet! Straight Power 12-1500w Modular Power leads on power output and cooling.

The be quiet! Straight Power 12-1500w is the superior choice for high-performance needs, while the GIGABYTE UD750GM PG5 V2 ICE is a budget-friendly option.

Why be quiet! Straight Power 12-1500w Modular Power is better

Power Capacity

1500W vs 750W

Efficiency

80 PLUS Platinum vs Gold

Cooling

Silent Wings fan vs standard fan

Why GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus is better

Price

$79.99 vs $254.99

Modular Design

Both are fully modular

Size

More compact for mid-range builds

Overall score

be quiet! Straight Power 12-1500w Modular Power
90
GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus
70

Specifications

Specbe quiet! Straight Power 12-1500w Modular PowerGIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus
Certification80 PLUS Platinum80 PLUS Gold
ModularFully ModularFully Modular
Cooling FanSilent WingsHydraulic Bearing
Rail DesignSingle 12V RailSingle 12V Rail
GPU SupportPCIe 5.0PCIe 5.1

Dimension comparison

be quiet! Straight Power 12-1500w Modular PowerGIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus

Pricing Comparison

When it comes to pricing, the GIGABYTE UD750GM PG5 V2 ICE is significantly more affordable than the be quiet! Straight Power 12-1500w Modular Power Supply. At $79.99, the GIGABYTE model is about 69% cheaper than the be quiet! unit, which is priced at $254.99. This substantial price difference makes the GIGABYTE a compelling choice for budget-conscious consumers looking for quality without breaking the bank. However, the be quiet! model's price reflects its higher capacity and advanced features, making it a premium option for enthusiasts and high-performance builds.

Power Capacity and Efficiency

In terms of power capacity, the be quiet! Straight Power 12-1500w stands out with a robust continuous power output of 1500W, compared to the GIGABYTE's 750W. This means the be quiet! supply can support more demanding components and handle power excursions more effectively. Additionally, the be quiet! model boasts an 80 PLUS Platinum certification with an efficiency rating of up to 93.9%, ensuring lower energy consumption and cooler operation. Meanwhile, the GIGABYTE is certified with 80 PLUS Gold, which, while still efficient, does not match the Platinum rating of the be quiet! unit.

Build Quality and Components

The build quality of both power supplies is commendable, but the be quiet! Straight Power 12-1500w uses high-end Japanese 105°C capacitors that ensure stability and reliability for high-performance systems. In contrast, the GIGABYTE UD750GM PG5 V2 ICE also features 100% Japanese capacitors, which are known for their durability but come with a lower overall power capacity. The be quiet! model is designed for enthusiasts who demand the best performance, while GIGABYTE's offering is tailored for mid-range builds that still require reliability.

Cooling Solutions

Cooling capabilities are crucial for any power supply, and here the be quiet! Straight Power 12-1500w shines with its virtually inaudible Silent Wings 135mm fan. This fan is designed to deliver optimal airflow while minimizing noise, making it ideal for silent PC builds. The GIGABYTE UD750GM PG5 V2 ICE, on the other hand, features a 120mm smart hydraulic bearing fan, which also provides efficient cooling but may not reach the noise levels of the be quiet! model. For users who prioritize a quiet environment, the be quiet! power supply is likely the better choice.

Modular Design

Both power supplies offer a modular design, enhancing cable management for a cleaner build. The be quiet! Straight Power 12-1500w provides maximum convenience with its fully modular cable management system, which helps to reduce clutter and improve airflow within the case. The GIGABYTE UD750GM PG5 V2 ICE also features a fully modular design, making it easy for users to connect only the cables they need. This is a key feature for gamers and PC builders who want to optimize their setups by eliminating unnecessary cables.

Compatibility with Modern GPUs

Compatibility is another vital aspect of power supplies, especially with the rise of new GPU technologies. The be quiet! Straight Power 12-1500w is ATX 3.0 compliant and supports PCIe 5.0 graphics cards with its native integration of the 12VHPWR connector, making it highly future-proof. In comparison, the GIGABYTE UD750GM PG5 V2 ICE is PCIe 5.1 ready and supports 16-pin connectors, which is suitable for the latest graphics cards but lacks the same level of future-proofing as the be quiet! model. This makes the be quiet! unit a better choice for those looking to invest in the latest technology.

Warranty and Support

The be quiet! Straight Power 12-1500w comes with a generous 10-year manufacturer’s warranty, underscoring its reliability and durability. This extended warranty is a significant advantage for buyers who want peace of mind with their investment. In contrast, the warranty specifics for the GIGABYTE UD750GM PG5 V2 ICE are not mentioned, which may leave potential buyers wanting more information about long-term support. A longer warranty can often signify a manufacturer's confidence in their product, making the be quiet! unit a more reassuring choice.

Which should you buy?

Ultimately, the decision between the be quiet! Straight Power 12-1500w Modular Power Supply and the GIGABYTE UD750GM PG5 V2 ICE boils down to your specific needs and budget. If you require a high-capacity power supply with advanced features, superior efficiency, and silent operation, the be quiet! Straight Power 12-1500w is the clear winner, despite its higher price. However, if you are looking for a budget-friendly option that still offers reliability and decent performance for mid-range systems, the GIGABYTE UD750GM PG5 V2 ICE is a solid choice. Consider your system requirements and budget constraints before making a final decision.