Hydro PT 550W

Legacy Products

  • Unique product ID with changeable side stickers for DIY enthusiasts and gamers
  • Intelligent fan speed control circuit design
  • Advanced thermal layout design
  • Complies with newest ATX12 v2.4 & EPS12 v2.92 standards
  • High efficiency ≧ 92%
  • Active PFC ≧ 99%
  • High Wattages with 80PLUS® Platinum Certification
  • Ribbon cables for the need of enthusiasts and gamers
  • Powerful +12V single rail design
  • Full Japan-made electrolytic capacitors
  • Support 6+2 pin PCI-Express Connectors
  • Quiet and Long-Lasting 135mm FDB Fan
  • Complete Protections: OCP, OVP, SCP, OPP, UVP, OTP
  • Global Safety Approved
  • 80plus_Platinum
FSP HYDRO PT series bases on the highest graded components (DC-DC module design, 100% Japanese capacitors) it features outstanding efficiency, voltage stability and ripple suppression. And thanks to high quality 135mm FDB fan, and ribbon cable design. The Platinum PSUs are extremely cool, quiet and also do well for gaming enthusiast and overclocker ever! 

Low Loads For Silent Operation

Hydro PT series are featured with intelligent fan speed control circuit design which uses a diameter of 135mm, fluid dynamic bearing, for low noise and reliable operation at low and medium loads.

LLC Half Bridge Topology with DC-DC Module Design

HYDRO PT series features extremely tight voltage regulation to make the output voltage regulation under +/- 1% at any load change and offer you supreme efficiency and voltage stability.

80 Plus® Platinum Certification

Hydro PT Series with 80 Plus Platinum Certification ensures your power supply consume less heat and lower operating cost. It also guarantees to operate at a minimum of 92% efficiency at 50% load of PSU rated power.


10 Years Warraty

FSP is committed to continue to keep the products' quality and the trust our customers by manufacturing reliable power supplies. The Hydro PT serise comes with a 10 years warranty.

Unique Design, Stylish in DIY Spirit

The power supplies come with 3 changeable side stickers to show your style, perfect for DIY enthusiasts and gamers.

Safety Protection

OCP, OVP, SCP, OPP, UVP, OTP, a full guardian of circuit protections to keep your hardware safe.
100% Japan-made E-cap
 DC – DC Module Design
  Ribbon Cable Design
Accumulated 20 years of experience in power supply, FSP carefully selects every component to develop latest technology.

Heat sink is designed for heat transmitting of +12V MOSFET from bottom PCB to top PCB specially

A new heat dissipation design that conducts heat through a thermal pad on the bottom of the power supply, transforming the whole PSU chassis into a heat-sink and cooled by system airflow.




AC Input100-240Vac~  8-4A  50-60Hz
DC Output+3.3V+5V+12V-12V+5Vsb
Max Output Current20A20A45.84A0.3A2.5A
Max Combined Power120W550W3.6W12.5W
Total Power550W


 atx cable 24 pinEPS 4 4 pinpcie 6+2 pinhd statmolex2.5 floppy
ATX 244+4 PINPCI-E 6+2SATAMolex


Model HPT550
Rated Output Power 550W
Form Factor ATX
80 PLUS Certification Platinum
Input Voltage 100-240Vac
Input Current 8-4A
Input Frequency 60/50Hz
PFC Active PFC
Efficiency >92%
Fan Type FDB Fan, 135mm
Dimensions(L x W x H) 150 x 170 x 86 mm
Weight 2.17kg
Protection OCP, OVP, SCP, OPP, UVP, OTP