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Lian Li SP750 V2 Gold vs SAMA White 650W Power Supply - Fully Modular 80

Updated August 2026 — Lian Li SP750 V2 Gold leads on warranty and efficiency.

The Lian Li SP750 V2 offers superior warranty and performance, while the SAMA White 650W is a budget-friendly option. Choose based on your specific needs.

Why Lian Li SP750 V2 Gold is better

Warranty

10-year warranty vs 5-year warranty

Cooling

92mm fan for efficient cooling

Performance

Higher power capacity at 750W

Why SAMA White 650W Power Supply - Fully Modular 80 is better

Price

$62.99 vs $124.99

Efficiency

91.15% efficiency at 50% load

Size

Compact 650W for smaller builds

Overall score

Lian Li SP750 V2 Gold
85
SAMA White 650W Power Supply - Fully Modular 80
75

Specifications

SpecLian Li SP750 V2 GoldSAMA White 650W Power Supply - Fully Modular 80
ModularFullyFully
ATX Standard3.13.1
PCIe Support5.05.1
Noise LevelLow≤20dB-A
Cables12V-2x6Native PCIe

Dimension comparison

Lian Li SP750 V2 GoldSAMA White 650W Power Supply - Fully Modular 80

Overview of the Products

The Lian Li SP750 V2 Gold 750 Watt SFX Form Factor Power Supply and the SAMA White 650W Power Supply both feature fully modular designs and are 80 Plus Gold certified. However, they cater to slightly different needs. The Lian Li power supply is priced at $124.99, while the SAMA power supply is significantly cheaper at $62.99, making it about 50% less expensive. Each product targets various user requirements, making it essential to consider their distinct features and performance.

Build Quality and Design

The Lian Li SP750 V2 is engineered with a focus on high performance and silent operation. Its fully modular design ensures that only necessary cables are connected, enhancing airflow and reducing clutter. It also features a 92mm Fluid Dynamic Bearing (FDB) fan for efficient cooling. Conversely, the SAMA White 650W Power Supply also employs a fully modular design but utilizes flat cables for streamlined cable management. This not only keeps the build clean but also promotes better airflow. While both products emphasize cable management, the Lian Li's fan size may offer better cooling efficiency under load.

Efficiency Ratings

Efficiency is a critical aspect of power supplies, and both the Lian Li and SAMA models boast 80 Plus Gold certification. The Lian Li SP750 V2 promises up to 90% efficiency, which is on par with industry standards. On the other hand, the SAMA power supply achieves up to 91.15% efficiency at a 50% load, according to its specifications. This slight edge in efficiency can result in better energy savings over time, especially in high-performance setups.

Cooling Solutions

Cooling is essential for maintaining optimal performance, particularly in gaming or workstation environments. The Lian Li SP750 V2 utilizes a 92mm FDB fan designed for low noise and efficient thermal management. The SAMA White 650W Power Supply features a larger 120mm ECO fan with FDB technology, which operates at noise levels as low as 20 dB-A. This can provide a quieter experience, especially under load. The larger fan size may allow the SAMA power supply to manage heat more effectively during intense tasks.

Compatibility and Features

Both power supplies are designed to comply with the latest ATX 3.1 standards. The Lian Li SP750 V2 supports PCIe Gen 5.0 and features a native 12V-2x6 connector, ideal for high-performance GPUs. In contrast, the SAMA White 650W Power Supply includes native PCIe 5.1 ports and cables, ensuring compatibility with the latest graphics cards like the RTX 30 and 40 series. This makes the SAMA a great option for users planning to build or upgrade a high-end gaming rig.

Warranty and Reliability

Warranty periods can significantly impact a consumer's confidence in a product. The Lian Li SP750 V2 is backed by a robust 10-year warranty, indicating a strong commitment to reliability and durability. In comparison, the SAMA White 650W Power Supply offers a 5-year warranty, which, while still respectable, is half the duration of its competitor. This extended warranty from Lian Li reflects its confidence in the product's longevity and performance, potentially making it a more reliable choice for long-term use.

Price Comparison

When it comes to pricing, the Lian Li SP750 V2 is available for $124.99, while the SAMA White 650W Power Supply is priced at $62.99. This price difference of approximately $62 translates to about a 50% saving when opting for the SAMA model. For budget-conscious consumers or those building mid-range systems, the lower price point of the SAMA may be particularly appealing. However, customers must weigh this cost against the features and warranty offered by each product.

Which should you buy?

Choosing between the Lian Li SP750 V2 Gold and the SAMA White 650W Power Supply ultimately depends on your specific needs and budget. If you prioritize long-term reliability, superior warranty coverage, and have a high-performance system that requires robust power delivery, the Lian Li SP750 V2 might be the right choice despite its higher price. Conversely, if you are looking for a more budget-friendly option that still provides excellent efficiency and compatibility with modern GPUs, the SAMA White 650W Power Supply is an excellent consideration. Each power supply has its strengths, making your decision a matter of personal preference and system requirements.