CORSAIR RM850e Fully Modular Low-Noise ATX Power vs NZXT C850 Gold Core - 850W ATX 3.1 Power Supply -

Overview of the Power Supplies

When comparing the CORSAIR RM850e and the NZXT C850 Gold Core, both power supplies offer robust features suitable for modern PC builds. However, they differ in price, efficiency ratings, and specific functionalities. The CORSAIR RM850e is priced at $94.99, while the NZXT C850 Gold Core is slightly higher at $99.99, making the CORSAIR about 5% cheaper. This price difference may appeal to budget-conscious consumers without compromising on quality.

Build Quality and Design

Both power supplies boast a fully modular design, allowing users to connect only the cables they need for their systems. The CORSAIR RM850e features a 120mm rifle bearing fan designed specifically to maintain low noise levels, while the NZXT C850 Gold Core utilizes a 135mm fluid dynamic bearing fan with a Zero RPM mode for quieter operation during light workloads. The emphasis on whisper-quiet performance in both models caters to users seeking a low-noise computing experience. Additionally, both units are equipped with 105°C-rated capacitors, ensuring stable and long-lasting performance.

Efficiency Ratings

In terms of efficiency, the NZXT C850 Gold Core is rated at 80 PLUS Gold and Cybenetics Platinum, while the CORSAIR RM850e also holds a Cybenetics Gold efficiency rating. Although both are efficient, the NZXT power supply's Platinum rating signifies superior performance in energy savings and heat reduction. This efficiency can be particularly advantageous for users running high-performance systems that demand consistent power delivery under load.

Compatibility with Modern Hardware

The compatibility of both power supplies with modern GPUs is a crucial factor. The CORSAIR RM850e supports PCIe 5.1 and includes a native 12V-2x6 connector, making it ideal for the latest NVIDIA graphics cards. Similarly, the NZXT C850 Gold Core is also designed for next-gen GPUs, supporting up to three 8-pin PCIe cables and featuring a dual-color 12V-2x6 connector. This makes both units suitable for users looking to build high-performance gaming rigs or workstation setups with demanding graphics requirements.

Noise Levels

Noise levels are a significant consideration for many users. The CORSAIR RM850e is engineered to keep fan noise low, even under full load, thanks to its specially calculated fan curve. On the other hand, the NZXT C850 Gold Core claims a near-silent operation, with a Cybenetics noise certification of A++ for models like the C850. This means that while both power supplies are designed for quiet operation, the NZXT may have a slight edge for users prioritizing silence in their builds.

Warranty and Reliability

Both the CORSAIR RM850e and the NZXT C850 Gold Core come with a 7-year warranty, reflecting the manufacturers' confidence in their products' reliability. This extensive warranty period provides peace of mind for consumers investing in high-quality power supplies. With industrial-grade components and 105°C-rated capacitors, both units are designed to deliver steady and reliable power over time, ensuring long-term performance for demanding systems.

Price Comparison

Price is an essential factor for many consumers when choosing a power supply. The CORSAIR RM850e is currently priced at $94.99, while the NZXT C850 Gold Core is priced at $99.99, making the latter about 5% more expensive. While both power supplies offer excellent features, the slight price difference may influence budget-conscious buyers, especially given that the CORSAIR offers comparable performance at a lower cost.

Which should you buy?

Ultimately, your choice between the CORSAIR RM850e and the NZXT C850 Gold Core should depend on your specific needs and preferences. If you prioritize a lower price and solid performance, the CORSAIR RM850e is an excellent option. However, if you seek higher efficiency and quieter operation, the NZXT C850 Gold Core may justify its higher price. Both units are reliable and feature-rich, making them suitable for modern high-performance PC builds.