CORSAIR SF850 vs SAMA P1200 Platinum Power Supply
Updated August 2026 — The SAMA P1200 offers better value with superior efficiency and features at a lower price, making it the preferred choice for budget-conscious consumers.
The SAMA P1200 offers better value with superior efficiency and features at a lower price, making it the preferred choice for budget-conscious consumers.
Why CORSAIR SF850 is better
Brand Reputation
Corsair is a well-known brand in the power supply market.
Compact Design
SFX form factor is ideal for small builds.
Cooling Efficiency
92mm fan provides effective cooling.
Why SAMA P1200 Platinum Power Supply is better
Price
SAMA P1200 is significantly cheaper.
Efficiency
Delivers over 92% efficiency at typical loads.
Future-Proofing
Exceeds ATX 3.1 standards and supports PCIe 5.1.
Overall score
Specifications
| Spec | CORSAIR SF850 | SAMA P1200 Platinum Power Supply |
|---|---|---|
| Efficiency Rating | 80 PLUS Platinum | 80 PLUS Platinum |
| Modular Design | Fully Modular | Fully Modular |
| Cooling Type | 92mm PWM Fan | 140mm Fluid Dynamic Fan |
| Capacitors | 105°C Japanese | 100% Japanese 105°C |
| Compliance | ATX 3.0 | ATX 3.1 |
Dimension comparison
Price Comparison
The CORSAIR SF850 is priced at C$279.99, while the SAMA P1200 is significantly more affordable at C$164.99. This price difference of C$115 highlights the financial advantage of the SAMA P1200, making it a more budget-friendly option for consumers looking to power their systems without breaking the bank. While both power supplies are designed for high performance, the SAMA P1200 offers impressive features at a lower cost, appealing to those who want high efficiency without the premium price tag.
Efficiency Ratings
Both power supplies boast impressive efficiency ratings, but the SAMA P1200 holds a slight edge with its 80 PLUS Platinum and Cybenetics Platinum certification. This allows it to deliver over ninety-two percent efficiency at typical loads, which is crucial for reducing energy waste and heat output. In contrast, while the CORSAIR SF850 is also rated at 80 PLUS Platinum, specific efficiency metrics are not provided. Therefore, if energy efficiency is a top priority for your build, the SAMA P1200 is the clear winner in this category.
Modular Design
The modular design of both power supplies allows for a clean and organized setup, but they approach it differently. The CORSAIR SF850 features fully modular Type-5 Micro-Fit PSU connectors, which not only promote tidy cable management but also improve compatibility in small cases. Meanwhile, the SAMA P1200 also offers a fully modular design, enabling users to connect only the cables needed for their build. This flexibility is essential in high-performance setups, ensuring that unnecessary cables do not clutter the system. Both designs excel, but the micro-fit connectors of the CORSAIR may provide a more compact solution for space-constrained builds.
Compliance and Future-Proofing
When it comes to compliance with industry standards, both power supplies are designed to support next-generation technology. The CORSAIR SF850 is ATX 3.0 compliant and PCIe 5.0 ready, ensuring compatibility with current and upcoming hardware. On the other hand, the SAMA P1200 exceeds ATX 3.1 standards and includes support for PCIe 5.1, making it exceptionally future-proof. This means that the SAMA P1200 can handle extreme power excursions of up to 235% of its rated load, making it particularly suitable for users planning to invest in high-performance GPUs. Thus, for those looking to stay ahead of technological advancements, the SAMA P1200 offers superior compliance features.
Cooling Solutions
Cooling is a critical factor in any power supply, and both models employ effective cooling strategies. The CORSAIR SF850 features a 92mm PWM cooling fan designed for low-noise operation, thanks to its fluid dynamic bearing. This allows it to deliver powerful cooling without creating too much noise in your system. In comparison, the SAMA P1200 is equipped with a larger one hundred forty millimetre fluid dynamic bearing fan, which not only operates in near-silent fanless mode below sixty percent load but also adjusts dynamically based on temperature. This means that while both power supplies manage heat well, the SAMA P1200's larger fan design may provide enhanced cooling performance under heavy loads.
Build Quality and Reliability
Reliability is paramount when selecting a power supply, and both brands prioritise high-quality components. The CORSAIR SF850 utilises 105°C rated Japanese capacitors, ensuring steady power delivery and long-term reliability. Similarly, the SAMA P1200 also incorporates 100% Japanese 105°C capacitors, which contribute to its stable voltage delivery under demanding conditions. Both power supplies are built to withstand heavy workloads and high ambient temperatures, making them reliable choices. However, the long-term warranty of ten years on the SAMA P1200 underscores its durability and commitment to quality, potentially offering users peace of mind for years to come.
Size and Compatibility
The physical dimensions of a power supply can greatly affect its compatibility with various cases. The CORSAIR SF850 is designed in a compact SFX form factor, making it ideal for small-form-factor PCs or larger cases where space is a premium. It is built to fit snugly into tight spaces, which is crucial for many modern builds. The SAMA P1200, while also compact at a depth of 150mm, is designed to accommodate more power-hungry graphics cards with its dual 12V-2x6 connectors. This design consideration makes the SAMA P1200 an excellent choice for gamers and professionals who plan to use high-performance components in their systems.
Which should you buy?
Ultimately, the choice between the CORSAIR SF850 and the SAMA P1200 comes down to your specific needs and budget. The CORSAIR SF850 offers a well-regarded brand reputation, compact design, and a strong focus on low-noise cooling. However, if you prioritise efficiency, future-proofing, and overall value, the SAMA P1200 stands out with its lower price point, superior compliance with industry standards, and impressive cooling capabilities. For those looking to maximise performance while staying within budget, the SAMA P1200 is the more compelling option.
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