NZXT C850 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 850 Wa vs NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - 80 PLUS Gold - Cybenetics Plat
Updated August 2026 — The NZXT C850 Gold Core offers superior efficiency and quieter operation, making it the better choice for high-performance gaming. However, the C850 Gold is more budget-friendly.
The NZXT C850 Gold Core offers superior efficiency and quieter operation, making it the better choice for high-performance gaming. However, the C850 Gold is more budget-friendly.
Why NZXT C850 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 850 Wa is better
lower price
C850 Gold is £84.90 compared to C850 Gold Core at £89.99
solid build quality
C850 Gold uses 100% premium Japanese capacitors
good noise performance
C850 Gold operates silently under 50% load
Why NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - 80 PLUS Gold - Cybenetics Plat is better
higher efficiency
C850 Gold Core has 80 PLUS Gold certification
better noise rating
C850 Gold Core is Cybenetics certified A++ (<15 dBA)
enhanced compatibility
C850 Gold Core supports both AMD and NVIDIA GPUs
Overall score
Specifications
| Spec | NZXT C850 Gold ATX 3.1 - Fully Modular Low-Noise PC Gaming Power Supply - 850 Wa | NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - 80 PLUS Gold - Cybenetics Plat |
|---|---|---|
| Wattage | 850W | 850W |
| Certification | ATX 3.1 | 80 PLUS Gold |
| Fan Size | 135mm | 135mm |
| Noise Rating | <50 dBA | <15 dBA |
| Connector Type | 12V-2x6 | dual-color 12V-2x6 |
Dimension comparison
Overview
The NZXT C850 Gold ATX 3.1 and the NZXT C850 Gold Core are both 850W power supplies designed for high-performance gaming PCs. The C850 Gold is priced at £84.90, while the C850 Gold Core is slightly more expensive at £89.99. Both models comply with the ATX 3.1 standard, but they come with distinct features tailored to different user needs.
Power Efficiency
In terms of power efficiency, the C850 Gold Core outshines its counterpart with its 80 PLUS Gold certification and Cybenetics Platinum efficiency rating. This means it delivers stable performance while maintaining lower heat production and power consumption, essential for gamers and power users alike. The C850 Gold, while still compliant with ATX 3.1, does not carry the same efficiency certifications, which might impact long-term electricity costs for users who run their systems extensively.
Noise Levels
Noise performance is a critical aspect of any gaming setup, and both power supplies are designed for quiet operation. The C850 Gold boasts a 135mm fluid dynamic bearing fan that operates silently under 50% load, ensuring minimal noise during gaming sessions. Conversely, the C850 Gold Core is Cybenetics noise certified, achieving an impressive A++ rating for noise levels below 15 dBA under similar conditions. This makes the Gold Core a more suitable choice for users prioritising a whisper-quiet experience.
Connectivity Options
When it comes to connectivity, both power supplies offer versatility for modern gaming setups. The C850 Gold features a durable 12V-2x6 connector capable of delivering up to 600 watts to NVIDIA's RTX 50 Series graphics cards, providing ample power for high-end components. On the other hand, the C850 Gold Core enhances this with a dual-colour 12V-2x6 connector specifically designed for next-gen GPUs, ensuring safe and stable power delivery. This makes the Gold Core better suited for users investing in the latest graphics technology.
Build Quality and Components
Build quality is essential for reliability and longevity in power supplies. The C850 Gold is equipped with 100% premium Japanese capacitors, which improve hold-up time and reduce ripple noise, ensuring stable power delivery. The C850 Gold Core, while not explicitly detailing its internal components, is also built to high standards, as indicated by its efficiency certifications. Users can expect both models to provide robust performance, but the premium components in the C850 Gold may offer a slight edge in terms of reliability.
Cooling Solutions
Cooling is another vital aspect for gaming power supplies, especially under heavy loads. The C850 Gold features a fan with Zero Fan Mode, which remains silent when the load is below 50%. This is beneficial for users who want a quiet system during lighter tasks. The C850 Gold Core also incorporates a fluid dynamic bearing fan with Zero RPM mode, which ensures efficient cooling and quiet operation during light workloads. Both models excel in this area, but the Gold Core’s noise certification provides an assurance of its quieter operation.
Compatibility
Compatibility with modern components is crucial for any power supply. The C850 Gold is designed to support NVIDIA's latest RTX 50 Series graphics cards, making it a solid choice for gamers looking to upgrade their GPU. The C850 Gold Core takes this a step further, offering compatibility with both AMD and NVIDIA GPUs, thanks to its multiple 8-pin PCIe cables. This flexibility makes the Gold Core a more future-proof option for users who may switch between GPU brands.
Price Comparison
Price is a significant consideration for most consumers. The C850 Gold is priced at £84.90, making it a more budget-friendly option compared to the C850 Gold Core, which retails for £89.99. While the difference of £5.09 may seem minimal, it can be a deciding factor for users on a tight budget. However, the additional features and certifications of the Gold Core may justify the higher price for those seeking optimal performance and efficiency.
Which should you buy?
Ultimately, the choice between the NZXT C850 Gold ATX 3.1 and the NZXT C850 Gold Core comes down to individual needs and priorities. If you are looking for a more cost-effective solution with reliable performance and solid power delivery, the C850 Gold is an excellent choice. However, if you want superior efficiency, quieter operation, and enhanced compatibility with next-gen GPUs, the C850 Gold Core is worth the extra investment. Both power supplies uphold NZXT's reputation for quality, but the Gold Core offers features that may be more appealing to discerning gamers and power users.
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