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Cooler Master V750 SFX Gold 750W Fully Modular vs Seasonic Focus GX 850W Power Supply ATX 3.1 PCIe

Updated August 2026 — Cooler Master V750 SFX Gold 750W Fully Modular wins on cable length and form factor, Seasonic Focus GX 850W Power Supply ATX 3.1 PCIe wins on fan size and size.

The Seasonic Focus GX 850W offers higher wattage and better cooling, making it the superior choice for demanding setups. However, the Cooler Master V750 SFX Gold is ideal for compact builds.

Why Cooler Master V750 SFX Gold 750W Fully Modular is better

Compact Size

Ideal for mini-ITX builds

Cable Design

90° durable cables for better durability

Warranty

10-year warranty for reliability

Why Seasonic Focus GX 850W Power Supply ATX 3.1 PCIe is better

Power Output

850W capacity for high-performance components

Cooling

Larger 135mm fan for superior cooling

Efficiency

Cybenetics Platinum certification for better efficiency

Overall score

Cooler Master V750 SFX Gold 750W Fully Modular
85
Seasonic Focus GX 850W Power Supply ATX 3.1 PCIe
90

Specifications

SpecCooler Master V750 SFX Gold 750W Fully ModularSeasonic Focus GX 850W Power Supply ATX 3.1 PCIe
Wattage750W850W
Efficiency80+ Gold80+ Gold & Platinum
ModularityFully ModularFully Modular
Cooling TypeFDB FanHybrid FDB Fan
Warranty10 Years10 Years

Dimension comparison

Cooler Master V750 SFX Gold 750W Fully ModularSeasonic Focus GX 850W Power Supply ATX 3.1 PCIe

Price Comparison

The Cooler Master V750 SFX Gold is priced at $161.80, while the Seasonic Focus GX 850W is more budget-friendly at $139.99. This makes the Seasonic about 14% cheaper than the Cooler Master. Given the close price points, the choice may ultimately hinge on which features are more appealing to the consumer. The price difference could be a deciding factor for buyers looking to maximize their budget without sacrificing quality.

Power Output and Efficiency

When comparing power output, the Seasonic Focus GX offers a slightly higher capacity at 850W compared to the Cooler Master’s 750W. This additional power may be beneficial for users with high-performance components. Both power supplies boast an 80 PLUS Gold certification, ensuring efficient energy consumption, but the Seasonic also holds a Cybenetics Platinum certification. This positions it as a more efficient option overall, appealing to those seeking to minimize energy wastage and improve system performance.

Build Quality and Design

Both power supplies feature fully modular designs, which help reduce clutter and enhance airflow within the case. The Cooler Master V750 SFX Gold incorporates a compact SFX form factor, making it ideal for mini-ITX builds. It includes 90° durable cables that improve electrical durability. On the other hand, the Seasonic Focus GX is designed with the OptiSink technology, which enhances thermal performance. The choice here will depend on whether the user prioritizes a compact form factor or advanced thermal management.

Cooling Solutions

The Cooler Master V750 SFX Gold features a 92mm Fluid Dynamic Bearing (FDB) fan, which is designed for low noise operation and reliable cooling. Conversely, the Seasonic Focus GX uses a larger 135mm FDB fan with hybrid fan control. This larger fan may provide better cooling performance, particularly under load. Customers who prioritize quiet operation might lean towards the Cooler Master, while those seeking superior cooling capabilities might find the Seasonic more appealing.

Compatibility

Both power supplies are compatible with ATX 3.1 and PCIe 5.1 standards, making them suitable for modern graphics cards and motherboards. The Cooler Master includes a 12VHPWR PCIe 5.1 connector that offers up to 450W power delivery to the GPU, which is beneficial for high-end gaming setups. The Seasonic Focus GX also features a native 12V-2x6 connector, ensuring compatibility with the latest graphics cards. This section may not be a strong differentiator, as both units are well-suited for contemporary hardware.

Warranty and Longevity

The Cooler Master V750 SFX Gold comes with a solid 10-year warranty, showcasing the manufacturer's confidence in its product longevity. Similarly, the Seasonic Focus GX also features a 10-year warranty, giving users peace of mind regarding long-term reliability. With both products offering the same warranty length, this aspect may not heavily influence buyer decisions, but it does assure customers of durability and support should issues arise.

User Experience and Feedback

While specific sales ranks and user reviews are not provided, the features and specifications of both units suggest positive user experiences. The Cooler Master V750 SFX Gold is praised for its compact design and efficiency, making it a preferred choice for mini-ITX builds. The Seasonic Focus GX, with its higher wattage and advanced cooling design, may attract users needing robust performance for high-end gaming or workstation setups. Buyers should consider their specific needs and preferences to determine which unit aligns better with their requirements.

Which should you buy?

Deciding between the Cooler Master V750 SFX Gold and the Seasonic Focus GX 850W ultimately depends on individual needs and priorities. If you are looking for a compact power supply for a mini-ITX build, the Cooler Master may be the better choice due to its size and design features. However, if you need higher wattage for demanding components along with superior cooling performance, the Seasonic Focus GX stands out as the more powerful option. The price difference also makes the Seasonic a compelling alternative for those on a budget, while both units offer a reassuring 10-year warranty.