NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - 80 PLUS Gold - Cybenetics Plat vs JUSTOP Black ATX 500W PSU

Overview

In this comparison, we will evaluate the NZXT C850 Gold Core - 850W ATX 3.1 Power Supply and the JUSTOP Black ATX 500W PSU. The NZXT model is priced at £89.99, while the JUSTOP model is significantly more affordable at £22.50. This price difference sets the stage for a closer look at their specifications, performance capabilities, and target users.

Power Output

The NZXT C850 Gold Core offers a robust power output of 850W, which is ideal for high-performance builds, particularly those using modern NVIDIA graphics cards. In contrast, the JUSTOP Black PSU provides a maximum output of 500W, catering primarily to standard desktop PCs that do not require extensive power. This substantial difference in wattage indicates that the NZXT is better suited for gaming or resource-intensive applications, while the JUSTOP is designed for basic computing tasks.

Efficiency Ratings

When it comes to efficiency, the NZXT C850 boasts an 80 PLUS Gold certification alongside Cybenetics Platinum efficiency, ensuring energy-efficient performance that reduces heat and power consumption, even under heavy loads. This level of efficiency is crucial for users looking to minimise electricity costs and enhance system stability. On the other hand, the JUSTOP Black PSU does not specify an efficiency rating but does mention its Power Factor Control (PFC) feature, which helps improve energy efficiency. However, without a specified certification, its efficiency may not match the NZXT's.

Cooling Solutions

The cooling capabilities of both power supplies are noteworthy, but they differ significantly. The NZXT C850 features a 135mm fluid dynamic bearing fan designed for near-silent operation, achieving a noise level of less than 15 dBA during light workloads. This whisper-quiet performance is particularly appealing for users who value a quiet computing environment. Conversely, the JUSTOP Black PSU utilises a 120mm cooling fan that also prioritises quietness but lacks specific noise level ratings. While both fans aim to keep temperatures in check, the NZXT's advanced noise certification offers a clear advantage.

Compatibility

Compatibility is crucial when selecting a power supply, and both models cater to different user needs. The NZXT C850 is ATX 3.1 certified and is PCIe 5.1 ready, providing support for next-gen GPUs with its dual-colour 12V-2x6 connector and compatibility for up to three 8-pin PCIe cables. This flexibility makes it an excellent choice for gamers and power users. In contrast, the JUSTOP Black PSU is designed primarily for home and office desktop PCs without a need for PCIe connectors, limiting its compatibility with high-performance components. This makes the NZXT a more future-proof option.

Safety Features

Safety is another critical aspect to consider, and both power supplies come with protective features. The NZXT C850 includes multiple safety certifications, ensuring stable power delivery and protection against various electrical issues. The JUSTOP Black PSU also incorporates essential safety features such as over voltage protection, over power protection, short circuit protection, and thermal overload cut-off protection. While both models prioritise user safety, the NZXT's broader range of certifications and features may provide additional peace of mind for high-demand users.

Build Quality

Build quality can greatly affect a power supply's longevity and reliability. The NZXT C850 is designed for high-performance demands, with superior components that support its higher wattage and efficiency ratings. The Cybenetics certification further assures users of its reliability under load. In comparison, the JUSTOP Black PSU, while functional for basic needs, may not match the same level of build quality due to its focus on affordability. Users seeking a long-lasting, robust power supply might lean towards the NZXT.

Price Point

The price difference between these two power supplies is considerable. The NZXT C850 is priced at £89.99, reflecting its advanced features and capabilities suitable for high-performance systems. Meanwhile, the JUSTOP Black PSU is available for just £22.50, making it an attractive option for budget-conscious consumers looking for a basic power supply. However, this lower price comes with limitations in power output and efficiency, which may not justify the cost for users with demanding hardware.

Which should you buy?

Choosing between the NZXT C850 Gold Core and the JUSTOP Black ATX 500W PSU ultimately depends on your specific needs and budget. If you require a high-efficiency power supply capable of supporting advanced gaming rigs or resource-intensive applications, the NZXT C850 is worth the investment at £89.99. Its outstanding efficiency, cooling capabilities, and compatibility with modern GPUs make it a superior choice for serious users. Conversely, if you are looking for a basic power supply for everyday computing tasks, the JUSTOP Black PSU at £22.50 offers excellent value for money, despite its limitations in power output and efficiency.