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Cooler Master V750 SFX Gold 750W Fully Modular vs NZXT C850 Gold Core - 850W ATX 3.1 Power Supply -

Updated August 2026 — NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - leads on size and length.

The Cooler Master V750 SFX Gold excels in compact design and warranty, while the NZXT C850 Gold Core offers higher wattage and lower price. Choose based on your build needs.

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

Warranty

10-year warranty vs 7-year warranty

Compact Design

Ideal for mini-ITX builds

Cooling

92mm fan for reliable cooling

Why NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - is better

Price

$99.99 vs $161.80

Wattage

850W vs 750W

Cooling

135mm fan with Zero RPM mode

Overall score

Cooler Master V750 SFX Gold 750W Fully Modular
85
NZXT C850 Gold Core - 850W ATX 3.1 Power Supply -
90

Specifications

SpecCooler Master V750 SFX Gold 750W Fully ModularNZXT C850 Gold Core - 850W ATX 3.1 Power Supply -
Efficiency80+ Gold80+ Gold & Cybenetics Platinum
ModularityFully ModularFully Modular
Fan Size92mm135mm
Power Delivery450W600W
Warranty10 years7 years

Dimension comparison

Cooler Master V750 SFX Gold 750W Fully ModularNZXT C850 Gold Core - 850W ATX 3.1 Power Supply -

Overview

The Cooler Master V750 SFX Gold and NZXT C850 Gold Core are both high-performance power supplies designed for modern PC builds, but they cater to different needs. The Cooler Master is a compact SFX unit, while the NZXT is a larger ATX model. The V750 is priced at $161.80, making it about 62% more expensive than the NZXT’s $99.99. However, the differences in design and features may justify the price disparity depending on your build requirements.

Design and Form Factor

The Cooler Master V750 SFX Gold is specifically designed for small form factor (SFF) builds, making it an ideal choice for mini-ITX cases. Its compact design allows it to deliver high-performance power without taking up much space. In contrast, the NZXT C850 Gold Core is an ATX power supply, which means it’s better suited for standard-sized cases that can accommodate its larger dimensions. While both models offer fully modular designs, the V750’s SFX form factor makes it a unique option for those seeking a space-saving solution.

Efficiency Ratings

Both power supplies boast impressive efficiency ratings, but they are not identical. The Cooler Master V750 SFX Gold features an 80+ Gold certification, ensuring that it operates at about 90% efficiency. Meanwhile, the NZXT C850 Gold Core also carries an 80 Plus Gold certification, but it is further enhanced by a Cybenetics Platinum rating for energy efficiency. This means that while both are efficient, the NZXT may offer slightly better performance in terms of energy consumption under load.

Cooling Solutions

When it comes to cooling, both units employ advanced technologies, but their approaches differ. The Cooler Master V750 integrates a 92mm Fluid Dynamic Bearing (FDB) fan that provides reliable cooling while maintaining low noise levels. The NZXT C850 Gold Core utilizes a larger 135mm FDB fan that operates in Zero RPM mode during light workloads, allowing for near-silent operation. Thus, if you prioritize quiet performance, the C850 may be the superior choice, particularly during less demanding tasks.

Compatibility and Connectivity

In terms of compatibility, both models are equipped to handle the latest generation of GPUs. The Cooler Master V750 includes a 90° 12VHPWR PCIe 5.1 connector, providing up to 450W to your GPU. On the other hand, the NZXT C850 Gold Core supports next-gen GPUs with its dual-color 12V-2x6 connector, delivering a stable 600W for demanding graphics cards. This means that if you plan to use high-end GPUs, the NZXT might offer more headroom for power delivery.

Cable Management

Both power supplies emphasize cable management, but they do so in slightly different ways. The Cooler Master V750’s customized short cables help reduce clutter in compact builds, making it easier to maintain airflow within small cases. Meanwhile, the NZXT C850’s fully modular design allows users to only utilize the cables they need, promoting a clean and compact setup. For users who value a tidy appearance, both units excel, but the choice may ultimately depend on the specific case configuration.

Warranty and Reliability

In terms of warranty, the Cooler Master V750 offers a 10-year warranty, reflecting the company's confidence in its product's longevity and reliability. The NZXT C850 Gold Core, while also built with high-quality components, comes with a shorter 7-year warranty. This substantial difference in warranty length may be a deciding factor for users prioritizing long-term reliability and support for their investment.

Which should you buy?

Choosing between the Cooler Master V750 SFX Gold and the NZXT C850 Gold Core depends heavily on your specific needs and build type. If you are looking for a compact power supply for a mini-ITX build, the Cooler Master is the clear winner with its SFX design and high efficiency. However, if you require a more powerful unit for a standard-sized ATX case, the NZXT not only offers a higher wattage capacity but also comes at a significantly lower price point of $99.99, about 62% cheaper than the Cooler Master. Ultimately, consider your system requirements, space constraints, and budget to make the best choice.