CORSAIR RM850x Fully Modular Low-Noise ATX Power vs NZXT C850 Gold Core - 850W ATX 3.1 Power Supply -

Price Comparison

When considering price, the NZXT C850 Gold Core is significantly cheaper than the CORSAIR RM850x, costing $99.99 compared to $161.93. This makes the NZXT about 38% less expensive than its Corsair counterpart, which could be a crucial factor for budget-conscious buyers. Despite the lower price, the NZXT still offers high-end features, making it a compelling choice for those seeking value without sacrificing performance.

Efficiency Ratings

Both power supplies boast impressive efficiency ratings, but they differ slightly in certifications. The CORSAIR RM850x is Cybenetics Gold-Certified, with an efficiency rating of up to 91%. In contrast, the NZXT C850 Gold Core features an 80 PLUS Gold certification and Cybenetics Platinum efficiency. While both are designed to minimize power consumption and heat generation, the Corsair unit edges out in sheer efficiency percentage, which can result in lower energy bills over time.

Modular Design

Both products feature a fully modular design, allowing users to connect only the cables necessary for their systems. This design not only simplifies installation but also enhances airflow and minimizes cable clutter. The CORSAIR RM850x comes with ultra-flexible embossed cables, while the NZXT C850 Gold Core also uses embossed cables for easy routing. Therefore, while both offer similar modular capabilities, the choice may come down to personal preference regarding cable aesthetics and flexibility.

Cooling Solutions

Cooling performance is crucial in a power supply, and both units employ advanced fan technology for quiet operation. The CORSAIR RM850x utilizes a 140mm fluid dynamic bearing fan, ensuring low noise levels during operation. The NZXT C850 Gold Core features a 135mm fan that operates in Zero RPM mode during light workloads, effectively promoting silent operation. While both fans are designed to reduce noise, the NZXT's Zero RPM mode provides an additional layer of quietness during less demanding tasks.

Compatibility with Modern Hardware

Both power supplies are ATX 3.1 compliant and support PCIe 5.1, which ensures compatibility with the latest GPUs and demanding hardware. The CORSAIR RM850x features a native 12V-2x6 connector, making it ready to connect directly to modern graphics cards without requiring an adapter. Similarly, the NZXT C850 Gold Core supports a dual-color 12V-2x6 connector, designed for safety and stability with next-gen GPUs. This makes both units suitable for contemporary builds, though the direct connection of the Corsair may offer added convenience for users.

Warranty and Reliability

In terms of warranty, the CORSAIR RM850x outperforms the NZXT C850 Gold Core with a ten-year warranty compared to NZXT's seven years. This extended warranty from Corsair may indicate a higher level of confidence in product longevity and reliability. For users who prioritize durability and long-term support, the longer warranty period may sway their decision, suggesting that the CORSAIR power supply is built for longevity.

Brand Reputation

When it comes to brand reputation, both Corsair and NZXT have established themselves as trusted names in the PC components market. Corsair is widely recognized for its high-quality power supplies, often preferred by enthusiasts for their reliability and performance. NZXT, known for its stylish and functional PC products, also holds a strong reputation among gamers and builders. Ultimately, brand loyalty may play a role in the decision-making process for some users, but both manufacturers have proven track records.

Which should you buy?

In conclusion, while both the CORSAIR RM850x and the NZXT C850 Gold Core are excellent power supplies, your choice may depend on specific preferences and requirements. If you are looking for a power supply with higher efficiency, a longer warranty, and don’t mind spending more, the CORSAIR RM850x is the better option. However, if you are budget-conscious and still want a reliable, efficient unit with modern features, the NZXT C850 Gold Core is an attractive choice at about 38% less cost. Ultimately, both units cater to different needs, ensuring you can find the right fit for your PC build.