CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready Fully vs SAMA White 650W Power Supply - Fully Modular 80

Price Comparison

When it comes to price, the SAMA White 650W Power Supply is about 30% cheaper than the CORSAIR RM750e, retailing at $62.99 compared to $89.99. For those on a budget, the SAMA power supply offers significant savings while still delivering solid performance. However, price shouldn’t be the only factor in deciding between these two power supplies, as each has unique features that could justify the higher cost of the CORSAIR model.

Power Output

In terms of power output, the CORSAIR RM750e has a capacity of 750W, which is 100W more than the SAMA White's 650W. This increased wattage makes the CORSAIR model potentially more suitable for high-end gaming rigs or systems with multiple GPUs. If you're planning on using demanding components or future-proofing your setup, the higher power output of the CORSAIR could be a significant advantage.

Modular Design

Both power supplies feature a fully modular design, which is a key benefit for cable management and airflow. The CORSAIR RM750e allows users to connect only the cables they need, reducing clutter and improving airflow. The SAMA White also emphasizes streamlined cable management with flat cables, making it easy to connect just the necessary components. While both options excel in this area, the CORSAIR model may offer a broader range of connectors and cables, including a native 12V-2x6 cable specifically designed for newer GPUs.

Efficiency Ratings

The CORSAIR RM750e boasts Cybenetics Gold efficiency, while the SAMA White also holds an 80 PLUS Gold certification. Both units are designed to provide high efficiency, reducing energy waste and lowering operating costs. However, the SAMA White claims up to 91.15% efficiency at 50% load, which is impressive and may lead to less heat output. If energy efficiency is a top priority for you, either option will meet your needs, but the SAMA White's efficiency rating may be a slight edge.

Cooling Mechanisms

Cooling is critical for maintaining system stability, and both power supplies come equipped with 120mm fans. The CORSAIR RM750e features a rifle-bearing fan with a specially calculated fan curve to minimize noise, while the SAMA White uses an ECO fan with Fluid Dynamic Bearing (FDB) technology. The SAMA model promises noise levels as low as 20dB-A, making it a potentially quieter option under load. If a silent operation is important for your build, the SAMA White may be the preferable choice.

Build Quality and Components

The CORSAIR RM750e is built with 105°C-rated capacitors, which are designed for reliable performance under demanding conditions. This is complemented by a seven-year warranty, suggesting a commitment to durability and longevity. On the other hand, the SAMA White is constructed with premium Japanese capacitors and comes with a five-year warranty. While both power supplies boast quality components, the CORSAIR's longer warranty period may offer added peace of mind for users concerned about long-term reliability.

Compatibility

Both power supplies are designed to be compatible with modern components, supporting ATX 3.1 and PCIe 5.1 standards. This means both can handle the latest GPUs, including the RTX 30 and 40 series, making either option suitable for gamers and high-performance users. However, the CORSAIR RM750e includes a native 12V-2x6 connector, which is essential for the latest graphics cards, giving it a slight edge in terms of cutting-edge compatibility.

Which should you buy?

Choosing between the CORSAIR RM750e and the SAMA White 650W Power Supply ultimately depends on your specific needs and budget. If you're looking for a higher wattage, longer warranty, and robust build quality, the CORSAIR model is worth the investment despite its higher price. However, if you prioritize cost-efficiency, quiet operation, and still want reliable performance, the SAMA White stands out as a compelling option. Both power supplies are excellent choices, but understanding their differences can help you make the best decision for your PC build.