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FSP Hydro X 650 Power Supply Review

Rating: 8.0.

FSP released their Hydro G series late last year, and it was well received in our labs. It excelled in all key areas, delivering first class load regulation and stellar efficiency – ripple suppression was also close to top of the class. Not everyone could afford the Hydro G and today we look at the latest, more affordable Hydro X range of power supplies from FSP targeting a much wider audience.


The new Hydro X series is a non modular range of power supplies and is offered in 450W, 550W and 650W capacities. FSP sent over a price list before we published this review detailing costs of 79.99 euros, 89.99 euros and 99.99 euros respectively.

FSP say this platform delivers high performance and should not be considered a simple budget range. FSP have incorporated high grade Japanese electrolytic capacitors.

The design has the LLC resonant converter on the primary side with the synchronous rectification of the +12V rail on the secondary side, along with DC-DC converters for the minor rails. The 5VSB circuit is also said to deliver high efficiency levels due to an advanced standby controller.

Additionally, the cooling fans in the Hydro X are double ball bearing which should help reliability long term (Fan is rated at 100,000 hours MTBF).

FSP Hydro X Overview:

  • Unique product ID with stylish side sticker.
  • Advanced air-flow design in silent operation.
  • Complies with newest ATX12V & EPS12V standards.
  • 80PLUS® Gold certified.
  • High efficiency ≧ 90%.
  • Full Japan-made electrolytic capacitors.
  • Powerful single +12V rail design.
  • Ribbon cables for the need of enthusiasts and gamers.
  • SLI and Crossfire ready.
  • Complete protection: OCP, OVP, SCP, OPP, OTP.
  • Intel Skylake ready.
  • Global safety approved.

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