CORSAIR RM750x Shift Fully Modular ATX Power vs NZXT C850 Gold Core - 850W ATX 3.1 Power Supply -

Overview of the Products

In this comparison, we will examine the CORSAIR RM750x Shift and the NZXT C850 Gold Core power supplies, both of which offer high efficiency and modern features. The CORSAIR RM750x Shift is priced at $79.99, while the NZXT C850 Gold Core is slightly higher at $99.99. The price difference of $20 makes the CORSAIR model about 17% cheaper.

Design and Build Quality

The design of the CORSAIR RM750x Shift is notable for its revolutionary side cable interface, which allows for easier access and cleaner cable management. This innovative feature is aimed at enhancing the building experience for users. In contrast, the NZXT C850 Gold Core boasts a fully modular design with embossed cables, facilitating a clean and compact setup. Both power supplies utilize high-quality 105°C-rated capacitors, ensuring long-lasting performance.

Efficiency Ratings

The CORSAIR RM750x Shift holds an 80 PLUS Gold certification, indicating its high efficiency, while the NZXT C850 Gold Core also features an 80 PLUS Gold rating along with a Cybenetics Platinum certification. The Cybenetics rating signifies even greater energy efficiency, making the NZXT model a better option for users looking to minimize power draw. Both units are compliant with the ATX 3.1 standard, supporting modern hardware, but the NZXT model edges out with its additional efficiency certification.

Fan Performance and Noise Levels

Both power supplies are designed for low noise operation. The CORSAIR RM750x Shift features a 140mm fluid dynamic bearing fan with a Zero RPM mode for silent performance at low to moderate loads. On the other hand, the NZXT C850 Gold Core includes a 135mm fluid dynamic bearing fan, also equipped with a Zero RPM mode, certified A++ for noise levels below 15 dBA. While both fans are designed for quiet operation, the NZXT model comes with a slight edge in its noise certification.

Compatibility with Modern Hardware

The CORSAIR RM750x Shift supports the PCIe Gen 5.1 platform, making it suitable for next-gen GPUs, while the NZXT C850 Gold Core also supports modern GPUs with its dual-color 12V-2x6 connector, ensuring stable power delivery. Both power supplies are designed to work seamlessly with the latest hardware, but the CORSAIR model emphasizes its compatibility with the latest ATX 3.1 standards, which may be an important factor for some users.

Warranty and Support

The CORSAIR RM750x Shift comes with a ten-year warranty, reflecting the company's confidence in its product's durability and performance. Conversely, the NZXT C850 Gold Core is backed by a seven-year warranty. While both warranties are strong, the longer warranty period of the CORSAIR power supply may provide additional peace of mind for consumers looking for long-term reliability.

Price Comparison

The CORSAIR RM750x Shift is priced at $79.99, making it a more budget-friendly option compared to the NZXT C850 Gold Core, which retails for $99.99. This price difference of $20 can be significant for consumers on a budget, particularly for those who are looking for a high-quality power supply without breaking the bank. On average, the price of the NZXT model has been around $106.22 over the past 90 days, indicating that the current price of $99.99 may not be the best deal.

Which should you buy?

Ultimately, the choice between the CORSAIR RM750x Shift and the NZXT C850 Gold Core depends on your specific needs and preferences. The CORSAIR model stands out with its innovative side cable interface, longer warranty, and lower price point, making it an excellent choice for users who prioritize ease of installation and cost-effectiveness. However, if energy efficiency and noise performance are your top priorities, the NZXT C850 Gold Core, with its Cybenetics Platinum efficiency rating, may be worth the extra investment. Consider your own requirements and budget to make the best decision for your PC build.