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GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus vs Redragon RGPS-850W 80+ Gold

Updated August 2026 — GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus leads on design and efficiency.

The GIGABYTE UD750GM PG5 V2 ICE offers superior efficiency and quieter operation, making it a better choice for most users. However, the Redragon RGPS-850W provides higher wattage and RGB features for those who prioritize aesthetics.

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

Price

GIGABYTE is $45 cheaper

Efficiency

GIGABYTE has 80 Plus Platinum certification

Noise

GIGABYTE features a quieter fan design

Why Redragon RGPS-850W 80+ Gold is better

Wattage

Redragon provides 850W output

RGB Features

Redragon includes customizable RGB lighting

Compact Size

Redragon is more compact at 160mm

Overall score

GIGABYTE UD750GM PG5 V2 ICE - 750W 80 Plus
88
Redragon RGPS-850W 80+ Gold
80

Specifications

SpecGIGABYTE UD750GM PG5 V2 ICE - 750W 80 PlusRedragon RGPS-850W 80+ Gold
Certification80 Plus Platinum80 Plus Gold
Fan TypeHydraulicZero RPM
Cable TypeFully ModularFully Modular
Graphics SupportPCIe 5.1PCIe 5.1
WarrantyStandardStandard

Dimension comparison

GIGABYTE UD750GM PG5 V2 ICE - 750W 80 PlusRedragon RGPS-850W 80+ Gold

Introduction to Power Supplies

When it comes to building or upgrading a PC, selecting the right power supply unit (PSU) is crucial for ensuring system stability and performance. In this comparison, we will delve into two prominent options: the GIGABYTE UD750GM PG5 V2 ICE and the Redragon RGPS-850W. Each of these power supplies has its unique features and specifications that cater to different user needs.

Pricing and Value

The GIGABYTE UD750GM PG5 V2 ICE is priced at $79.99, making it significantly more affordable compared to the Redragon RGPS-850W, which costs $124.99. This puts the GIGABYTE PSU at about 36% lower in price. For budget-conscious users or those who prioritize cost-effectiveness without compromising quality, the GIGABYTE model presents itself as a compelling option. However, the Redragon offers additional features that some may find worth the extra investment.

Power Output and Efficiency

The GIGABYTE UD750GM PG5 V2 ICE provides a robust power output of 750W, with an 80 Plus Platinum certification, indicating superior efficiency levels. This means it operates at a higher efficiency than traditional power supplies, leading to lower electricity costs and less heat generation. In contrast, the Redragon RGPS-850W delivers a slightly higher output of 850W with an 80 Plus Gold certification. While both options are efficient, the GIGABYTE's Platinum rating gives it an edge in energy savings, which is a critical factor for long-term use.

Compatibility and Future-Proofing

Both power supplies are designed to support the latest PCIe 5.1 graphics cards and are ATX 3.1 certified, ensuring compatibility with modern hardware. The GIGABYTE UD750GM PG5 V2 ICE is specifically noted for its support of PCIe Gen 5.1 graphics cards with a 16-pin connector, making it suitable for high-end setups. The Redragon RGPS-850W also boasts PCIe 5.1 capability and offers an upgraded 12VHPWR cable included in the package, which is essential for users looking to harness the power of the latest GPUs. This feature makes the Redragon a solid choice for gamers and creators aiming for maximum performance.

Build Quality and Components

Quality components are vital for the longevity and reliability of a power supply. The GIGABYTE UD750GM PG5 V2 ICE is constructed with 100% Japanese capacitors, which are known for their durability and performance. Similarly, the Redragon RGPS-850W also utilizes 100% Japanese capacitors, ensuring reliability under load. Both units feature fully modular designs, allowing for easier cable management and improved airflow within the case. However, the GIGABYTE's use of a 120mm smart hydraulic bearing fan may provide quieter operation compared to the Redragon's Zero RPM mode fan, which kicks in only at 60℃.

Noise Levels and Thermal Management

Noise levels can significantly affect the user experience, especially in gaming or workstation setups. The GIGABYTE UD750GM PG5 V2 ICE emphasizes a quieter operation with its smart hydraulic bearing fan, designed to minimize noise output. On the other hand, the Redragon RGPS-850W features a Zero RPM mode, where the fan remains off until the unit reaches 60℃. This means the Redragon can operate silently under low loads, but it may become noisier under heavy usage when the fan engages. Ultimately, users seeking quiet operation may lean towards the GIGABYTE's design, while those who prioritize a dynamic fan system may prefer the Redragon.

Aesthetic Features

While functionality is paramount, aesthetics can also play a role in choosing a power supply. The Redragon RGPS-850W distinguishes itself with customizable RGB lighting, offering up to 9 modes and 26 colors to enhance the visual appeal of a gaming setup. This feature allows users to synchronize their PSU with other RGB components for a cohesive look. The GIGABYTE UD750GM PG5 V2 ICE, however, focuses on performance without additional aesthetic features. For gamers who value visual customization, the Redragon might be the more appealing option.

Warranty and Support

Warranty and support can be crucial when investing in hardware. Both power supplies come from reputable brands known for their customer service. While specific warranty details are not mentioned in the data, GIGABYTE and Redragon typically offer solid support, often ensuring peace of mind for users. It's essential to check the warranty specifics when making a purchase, as they can vary by model and retailer.

Which should you buy?

Deciding between the GIGABYTE UD750GM PG5 V2 ICE and the Redragon RGPS-850W ultimately depends on your specific needs and preferences. If you're looking for a cost-effective, efficient power supply with excellent performance and quieter operation, the GIGABYTE model at $79.99 is an outstanding choice. However, if you desire slightly higher wattage, aesthetic features like RGB lighting, and are willing to invest an additional $45, the Redragon RGPS-850W offers compelling advantages that may justify the price difference. Each unit excels in its own right, so your decision should align with your personal requirements and system compatibility.