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Lian Li SP750 V2 Gold vs Thermaltake Toughpower SFX 750W 80Plus Platinum

Updated August 2026 — Thermaltake Toughpower SFX 750W 80Plus Platinum leads on efficiency and modularity.

The Lian Li SP750 V2 Gold offers a better warranty and lower price, while the Thermaltake Toughpower SFX excels in efficiency and performance. Choose based on your priorities.

Why Lian Li SP750 V2 Gold is better

Price

Lian Li is $15 cheaper

Warranty

10-year warranty vs 7-year

Fan Size

92mm fan may provide better cooling

Why Thermaltake Toughpower SFX 750W 80Plus Platinum is better

Efficiency

80 PLUS Platinum certification

Ripple Noise

Less than 30mV ripple noise

Voltage Regulation

Extremely strict voltage regulation

Overall score

Lian Li SP750 V2 Gold
85
Thermaltake Toughpower SFX 750W 80Plus Platinum
90

Specifications

SpecLian Li SP750 V2 GoldThermaltake Toughpower SFX 750W 80Plus Platinum
Certification80 PLUS Gold80 PLUS Platinum
ModularFully ModularFully Modular
Warranty10 Years7 Years
Connector12V-2x612V-2x6
Fan TypeFDBFDB

Dimension comparison

Lian Li SP750 V2 GoldThermaltake Toughpower SFX 750W 80Plus Platinum

Pricing Comparison

When it comes to pricing, the Lian Li SP750 V2 Gold is about 10% cheaper than the Thermaltake Toughpower SFX. The Lian Li SP750 V2 Gold is priced at $124.99, while the Thermaltake Toughpower SFX is listed at $139.99. This $15 price difference may appeal to budget-conscious consumers looking for a reliable power supply without breaking the bank. While both power supplies are in the same wattage range, the price tag can be a deciding factor for those with limited budgets or those looking to save on their overall build costs.

Efficiency Ratings

The efficiency ratings of both products are commendable, but the Thermaltake Toughpower SFX takes the lead with an 80 PLUS Platinum certification. This certification indicates that the Thermaltake unit achieves higher efficiency compared to the Lian Li SP750 V2 Gold, which is certified at 80 PLUS Gold. The Platinum rating signifies that the Thermaltake power supply operates with lesser energy waste, translating into lower electricity costs over time. For users focused on energy efficiency and long-term savings, the Thermaltake Toughpower SFX is the superior choice.

Modular Design

Both power supplies feature a fully modular design, allowing users to only connect the cables they need for their specific builds. This trait not only simplifies cable management but also enhances airflow within the case. The Lian Li SP750 V2 Gold includes a native 12V-2x6 connector designed for high-performance 50/40 series graphics cards, ensuring clarity and reliability. Meanwhile, the Thermaltake Toughpower SFX also comes with low-profile cables that are easy to manage. While both units excel in this area, the native connector on the Lian Li SP750 V2 Gold might provide an edge for users with certain graphics cards.

Fan Technology

When comparing fan technology, the Lian Li SP750 V2 Gold is equipped with a premium 92mm Fluid Dynamic Bearing (FDB) fan, which promises efficient and quiet thermal performance. On the other hand, the Thermaltake Toughpower SFX features a 90mm FDB fan. While both fans leverage FDB technology for quieter operation, the 92mm fan in the Lian Li model may offer slightly better cooling capabilities due to its larger size. Therefore, if silent operation is a priority, both options will serve well, but the Lian Li SP750 V2 Gold may have a slight advantage in noise management.

Warranty Period

The warranty period is an essential consideration for buyers, as it reflects the manufacturer's confidence in their product. The Lian Li SP750 V2 Gold comes with a generous 10-year warranty, providing peace of mind for users regarding the longevity and reliability of the power supply. In contrast, the Thermaltake Toughpower SFX is backed by a 7-year warranty. While both warranties are relatively long, the additional three years offered by Lian Li may sway users who prioritize long-term reliability and support.

Compatibility with Modern Standards

Both power supplies are compliant with the latest ATX 3.1 standards, making them suitable for next-gen hardware. The Lian Li SP750 V2 Gold is PCIe Gen 5.0 compliant, ensuring that it can support the latest graphics cards without issues. Meanwhile, the Thermaltake Toughpower SFX is also PCIe Gen 5.1 ready, which signifies even greater future-proofing. As the differences in compliance are minimal, users can be assured both power supplies are well-equipped to handle modern gaming and computing demands.

Performance Under Load

In terms of performance under load, both units are built to support high-performance components effectively. The Lian Li SP750 V2 Gold features improved standby power capabilities, increasing its current capacity to support power-hungry peripherals. The Thermaltake Toughpower SFX boasts extremely strict voltage regulation with less than 30mV ripple noise, ensuring stable performance. The low ripple noise rating indicates that the Thermaltake power supply may provide cleaner power delivery, which can be crucial for high-end gaming and workstation builds.

Which should you buy?

Choosing between the Lian Li SP750 V2 Gold and the Thermaltake Toughpower SFX ultimately depends on your specific needs and budget. The Lian Li model is a better choice for those seeking a cost-effective option with a longer warranty and slightly quieter operation. Meanwhile, the Thermaltake Toughpower SFX is ideal for users who prioritize energy efficiency, lower ripple noise, and are willing to invest a bit more for superior performance and modern compliance. Each power supply has its strengths, making them both solid choices for different types of users in the market for a reliable power supply.