SilverStone Extreme 850R Platinum SFX Power Supply Review (850W)
Table of Contents:
Introduction
The SilverStone Extreme 850R Platinum Full-Modular Power Supply is a compact yet powerful SFX power supply designed for demanding PC builds. With 850W of continuous power, Cybenetics Platinum certification, and a Gen5 12VHPWR PCIe connector, it’s geared towards high-end systems with top-tier graphics cards. We’ve put this unit through its paces to see how it performs in real-world scenarios.
Features
The SilverStone Extreme 850R Platinum is packed with features that cater to both performance and user experience:
- 850W of continuous power: This unit is capable of powering even the most demanding components, including high-end GPUs and CPUs.
- Cybenetics Platinum certification: This ensures high efficiency and low noise levels, with an overall efficiency rating of ≥89% & <91%.
- Gen5 12VHPWR PCIe connector: The power supply includes a dedicated connector for the latest generation of graphics cards with high power requirements.
- Full-Modular design: This allows you to connect only the cables you need, reducing clutter and improving airflow within your PC.
- Ultra-Silent 92mm FDB fan: The fan remains exceptionally quiet even under heavy loads, making it ideal for noise-sensitive builds.
- Active PFC (PF>0.9 at Full Load): This enhances power efficiency and reduces harmonic distortion.
Performance
The SilverStone Extreme 850R Platinum delivered impressive performance throughout our testing:
- Stable and consistent power delivery: The power supply maintained a stable voltage output across various load levels, ensuring reliable performance for critical components.
- Low noise levels: The 92mm FDB fan remained virtually silent during idle and light load scenarios, only becoming slightly audible under extreme load conditions.
- Excellent thermal performance: The power supply remained cool even during prolonged gaming sessions and stress tests, indicating efficient heat dissipation.
Pros & Cons
Here’s a breakdown of the pros and cons of the SilverStone Extreme 850R Platinum:
Pros:
- High power output (850W)
- Cybenetics Platinum certification for high efficiency
- Gen5 12VHPWR PCIe connector for latest GPUs
- Ultra-silent 92mm FDB fan for quiet operation
- Full-modular design for clean cable management
- Compact SFX form factor for smaller PC builds
Cons:
- The price may be slightly higher compared to other power supplies in the same wattage range.
- The fan can become slightly audible under extreme load conditions, although it remains very quiet overall.
Final Verdict
The SilverStone Extreme 850R Platinum SFX Power Supply is an excellent choice for PC builders looking for a high-quality, compact, and powerful solution. Its Cybenetics Platinum certification, Gen5 12VHPWR connector, and ultra-silent fan make it ideal for demanding systems, especially those with the latest generation of graphics cards. While the price might be a bit higher than some other options, the performance and features justify the cost. Overall, we highly recommend the SilverStone Extreme 850R Platinum for anyone looking to build a high-performance PC with an SFX form factor.
| Specification | Value |
|---|---|
| Color | Black (lead-free paint) |
| Max. DC Output | 850W |
| Power Density | 1070W per liter |
| Load Range | Output: +3.3V, +5V, +12V, +5VSB, -12V |
| Combined +3.3V & +5V | 100W |
| Combined +12V | 850W |
| Input Voltage | 180 ~ 264 Vrms |
| Input Frequency Range | 47Hz ~ 63Hz |
| PFC | Active PFC (PF>0.9 at Full Load) |
| Efficiency | ≥89% & <91% overall efficiency |
| MTBF | 100,000 hours |
| Operating Temperature | 0°C ~ 50°C |
| Protection | Over Current, Over Power, Over Voltage, Short Circuit, Over Temperature, Under Voltage, No Load Operation |
| Connectors | 1 x 24 / 20-Pin motherboard, 2 x 8 / 4-Pin EPS / ATX 12V, 2 x 8 / 6-Pin PCIe, 1 x 12+4-Pin 12VHPWR, 8 x SATA, 3 x 4-Pin Peripheral, 1 x 4-Pin Floppy |
| Cooling System | Silent 92mm FDB fan |
| Noise Level | 0 dBA minimum |
| Certification | Cybenetics Platinum |
| Form Factor | SFX |
| Dimension | 125 mm (W) × 63.5 mm (H) × 100 mm (D) |
| Weight | 1.6kg |