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FSP Hydro PTM 550W 80 PLUS Platinum Certified Full Modular 10-Year Warranty ATX12V / EPS12V SLI CrossFire Ready Active PFC Power Supply (HPT550M)

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  • Advanced thermal layout design with intelligent fan speed control circuit | Quiet and Long-Lasting 135mm FDB Fan
  • Powerful +12V single rail design | High efficiency >= 92% | Active PFC >= 99%

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews
FSP Group


FSP's Hydro PTM power supply series feature 80 PLUS® Platinum rated efficiency and are fully modular. They are an excellent choice for high-performance PCs, thanks to the fluid dynamic bearing (FDB) fan and Japanese electrolytic capacitors. These highly reliable power supplies are perfect for gaming enthusiasts and overclockers.

  • 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
  • Powerful +12V single rail design
  • Advanced full modular design with ribbon cables
  • 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

FSP's Hydro PTM power supply series are equipped with the highest grade components such as DC-DC module design and 100% Japanese capacitors. These power supplies offer 80 PLUS® Platinum rated efficiency, voltage stability, and ripple suppression. With the support of high-quality 135mm FDB fan, the Hydro PTM series are extremely cool and quiet. The series come with changeable unique side stickers and a fully modular cable system, they are ideal for DIY enthusiasts, gamers, and overclockers.

Low Loads for Silent Operation

Hydro PTM 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.

FSP Group

LLC Half Bridge Topology with
DC-DC Module Design

HYDRO PTM 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.

FSP Group

80 Plus® Platinum Certification

Hydro PTM series come with 80 Plus Platinum Certification which means your power supplies consume less heat and have a lower operating cost. The power supplies are guaranteed to operate at a minimum of 92% efficiency at 50% load of PSU rated power.

10-Year Warranty

FSP is committed to manufacturing high-quality and reliable power supplies. The Hydro PTM series are backed by our 10-year warranty.

Fully Modular Design for Quick and Easy Installation

Fully modular design simplifies installation and allows you to use only the cables you need, for a neater, cleaner build.

Unique & Stylish Design in DIY Spirit

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

Safety Protection

OVP (Over Voltage Protection), UVP (Under Voltage Protection), OCP j (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), and OTP (Over Temperature Protection), a full guardian circuit protections to keep your hardware safe.

FSP has over 20 years of experience in manufacturing power supplies. Every chosen component has been carefully selected and backed by our extensive research and development.

Innovative heat sink design for improved heat transmission of +12V MOSFET from bottom to top PCB

A new heat dissipation design that conducts heat through a thermal pad (located at the bottom of the PSU) transforms the PSU into a heat-sink and helps to cool down the system.


FSP Group FSP Group


AC Input 100-240Vac~ 8-4A 50-60Hz
DC Output +3.3V +5V +12V -12V +5Vsb
Max Output Current 20A 20A 45.84A 0.3A 2.5A
Max Combined Power 120W 550W 3.6W 12.5W
Total Power 550W


FSP Group
ATX 24
FSP Group
4+4 PIN
FSP Group
PCI-E 6+2
FSP Group

FSP Group
FSP Group
Connectors 1 1 4 8 3 1


Model HPT550M
Rated Output Power 550W
Form Factor ATX
80 PLUS Certification Platinum
nput 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 1.68kg
Protection OCP, OVP, SCP, OPP, UVP, OTP

Learn more about the FSP Group HPT550M

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
Ownership: 1 month to 1 year
Verified Owner
1/ 5
Dead Unit 5/24/2020 6:35:10 PM

Overall Review: Ordered this to build a PC for my brother. It worked fine at first, but after running for only a short time, 5 months in which it was almost never used, it died. No warning, no external issues or anything; just suddenly went dead.

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Manufacturer Response:

We are sorry to hear that. Would you please contact us for assistance with this matter?
Ownership: 1 week to 1 month
Verified Owner
1/ 5
Item arrived DOA 1/15/2020 3:00:27 PM

Overall Review: Super disappointed that this PS arrived dead. I have sent back for replacement and am waiting.

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