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Seasonic Prime 650W Titanium Power Supply Review

Rating: 9.5.

Today we take a look at the new Seasonic Prime 650W Titanium power supply, the third in a series of reviews we have published to cover the current range of PRIME units available. This is a fully modular 80 Plus Titanium certified power supply which features a high grade 135mm Fluid Dynamic Bearing fan.


Seasonic have released 650W, 750W and 850W PRIME supplies in recent months and they have a 1000W unit coming in November. This more powerful unit is clearly designed for the small audience using multiple high end graphics cards in Crossfire or SLi.

At the end of the year the plans are for Seasonic to release an additional 600W fanless unit – specifically targeting the enthusiast audience who love the ‘sound of silence’. Based on the Seasonic track record in our labs we have high hopes for this upcoming fan less 600 watt power supply.

Seasonic also have plans to release Platinum and Gold PRIME supplies later this year at the end of Q3 and in Q4.

PRIME Overview:

  • Ultra-High Efficiency, 80 PLUS® Titanium Certified.
  • Micro Tolerance Load Regulation.
  • Top-Quality 135 mm Fluid Dynamic Bearing Fan.
  • Premium Hybrid Fan Control.
  • Super lower Ripple Noise (under 20 mV).
  • Extended Hold-up Time (Above 30 ms).
  • Fully Modular Cabling Design.
  • Multi-GPU Technologies Supported.
  • Gold-Plated High Current Terminals.

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