NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - vs POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11
Updated August 2026 — NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - wins on power and efficiency, POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 wins on price.
The NZXT C850 Gold Core is a superior choice for high-performance systems, while the POINWER H240AS-01 serves budget needs for specific Dell models.
Why NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - is better
Power Output
850W vs 240W
Efficiency
80 PLUS Gold vs no rating
Warranty
7-year vs no warranty specified
Why POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 is better
Price
$30.36 vs $99.99
Size
Small Form Factor
Installation
Easy installation for SFF systems
Overall score
Specifications
| Spec | NZXT C850 Gold Core - 850W ATX 3.1 Power Supply - | POINWER H240AS-01 H240AS-00 L240AS-00 2TXYM 3WN11 |
|---|---|---|
| Wattage | 850W | 240W |
| Efficiency Rating | 80 PLUS Gold | N/A |
| Noise Level | A++ | N/A |
| Warranty | 7 years | N/A |
| Modularity | Fully Modular | Non-Modular |
Dimension comparison
Overview of the Products
In this comparison, we will examine the NZXT C850 Gold Core and the POINWER H240AS-01 power supplies. The NZXT C850 Gold Core is a high-performance 850W unit priced at $99.99, while the POINWER H240AS-01 is a more budget-friendly 240W option available for $30.36. These two power supplies cater to different user needs and systems, making it essential to understand their distinct features.
Performance and Power Output
The NZXT C850 Gold Core boasts an impressive power output of 850 watts, which is significantly higher than the POINWER H240AS-01's 240 watts. This translates to a more robust capability to support high-performance components, especially for gaming and workstation setups. The NZXT unit is designed for modern GPUs, ensuring stable power delivery with its dual-color 12V-2x6 connector. In contrast, the POINWER power supply is aimed at small form factor systems, specifically Dell OptiPlex models, making it suitable for basic computing tasks. Thus, if you are looking for power to handle demanding applications, the NZXT C850 Gold Core is the clear winner.
Efficiency Ratings
When it comes to efficiency, the NZXT C850 Gold Core holds an impressive 80 PLUS Gold efficiency rating, complemented by a Cybenetics Platinum certification. This means it delivers energy-efficient performance, reducing power draw and heat generation, which can be crucial for high-performance systems. On the other hand, the POINWER H240AS-01 does not specify an efficiency rating, which could indicate lower efficiency in comparison. For users concerned about energy costs and thermal management, the NZXT C850 Gold Core provides a distinct advantage.
Noise Levels and Operation
The NZXT C850 Gold Core is engineered for whisper-quiet operation, with a Cybenetics noise certification rating of A++ for near-silent performance. Its 135 mm fluid dynamic bearing fan incorporates a Zero RPM mode, ensuring silent operation during light workloads. Conversely, the POINWER H240AS-01 does not highlight any noise level specifications, which may imply it operates with more audible sound levels. For users who prioritize a quiet computing environment, the NZXT C850 Gold Core is the superior choice.
Compatibility and Use Cases
The NZXT C850 Gold Core is designed to support modern components, including a dual-color 12V-2x6 connector that is PCIe 5.1 ready. This makes it ideal for users looking to build or upgrade high-performance gaming rigs or workstations. In contrast, the POINWER H240AS-01 is specifically compatible with small form factor Dell OptiPlex systems, limiting its use to specific desktop configurations. If you are building a versatile system or seeking future-proofing with the latest GPUs, the NZXT C850 Gold Core is the more suitable option.
Build Quality and Components
The NZXT C850 Gold Core is built with premium 105°C-rated capacitors, ensuring longevity and stability across various loads. This high-quality component choice supports the power supply's reliability under demanding conditions. In comparison, while the POINWER H240AS-01 highlights stringent testing for reliability and safety, it does not specify the quality of its internal components. For users looking for a power supply that will stand the test of time, the NZXT C850 Gold Core's build quality is a significant advantage.
Price Comparison
The NZXT C850 Gold Core is priced at $99.99, while the POINWER H240AS-01 is available for $30.36. This means the NZXT is about 229% more expensive than the POINWER. However, the price difference reflects the capabilities and target markets of each product. The NZXT is aimed at high-performance builds, while the POINWER caters to budget-conscious users needing a basic power supply for specific Dell systems. Depending on your budget and requirements, either option may provide value in its respective category.
Warranty and Support
The NZXT C850 Gold Core comes with a generous 7-year warranty, offering peace of mind for users investing in a high-performance power supply. This extended warranty reflects the manufacturer's confidence in the product's durability and reliability. In contrast, the POINWER H240AS-01 does not specify any warranty details, which may raise concerns about long-term support. For users who value warranty protection and support, the NZXT C850 Gold Core stands out as the preferred choice.
Which should you buy?
Ultimately, the choice between the NZXT C850 Gold Core and the POINWER H240AS-01 depends on your specific needs. If you require a powerful, efficient, and quiet power supply for a high-performance system, the NZXT C850 Gold Core is the clear winner, despite its higher price. However, if you are looking for a budget-friendly option for a Dell OptiPlex small form factor system, the POINWER H240AS-01 provides adequate power at a significantly lower cost. Assess your requirements, and choose the unit that aligns best with your computing needs.

