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Fractal Design ION SFX GOLD 650G Review

Rating: 9.0.

Fractal Design are launching a new power supply range today, the ION SFX. This new range of power supplies will be offered in two capacities – a 500W and a 650W model. As the name would suggest this new design is 80 Plus Gold certified, fully modular and ships with Fractals new ‘UltraFlex’ cable design.

For the purposes of this review, Fractal sent us their higher wattage 650W model. It incorporates a high grade 120mm Fluid Dynamic Bearing fan with a semi passive ZERO rpm mode in lower load situations. We know that Fractal have worked with Seasonic on the design of this product – its based on the Seasonic SGX.

Key features:

  • Fractal Design UltraFlex DC wires have game changing flexibility for effortless cable routing and connectors that twist and bend to suit your installation.
  • Large 120mm fan with true long life FDB bearings
  • 80 PLUS Gold Efficiency.
  • Semi Passive Zero RPM mode allows for absolute silence in low load situations.
  • Outstanding output quality with tight voltage regulation and extremely low noise and ripple
  • Fully modular design for reduced clutter and maximum ease of installation
  • Ultra high strand count 0.08T wire gives cables fluid flexibility while maintaining a high current capacity
  • Specially formulated 80P PVC insulation offers just the right amount of rigidity for easy cable management.
  • Premium Japanese 105C capacitors provide enhanced reliability and durability.
  • Full electrical protection includes Over Power Protection, Over Voltage Protection, Short Circuit Protection, Under Voltage Protection, Over Current Protection and Over Temperature Protection.
  • Includes SFX to ATX mounting bracket.
  • Extensive 10 year warranty.

Technical Design Data:

  • 0.99+ Power Factor Correction and low THD (Total Harmonic Distortion).
  • Low-loss, Zero voltage soft switching for improved efficiency
  • 12V Synchronous Rectification: Improved efficiency, Low RDS (on), low conduction loss.
  • High Efficiency step-down DC-DC circuit provides stiff voltage regulation with low ripple and noise
  • Modular board with multi layer PCB allows for more filtering caps further improving output quality.
  • 100,000 hours MTFB at full output load.
  • Premium black PCB substrate.

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