HV PRO 85+ 550W

FSP has upgraded the original HV PRO Series to HV PRO 85+ Series, making it more compatible with the latest platforms from Intel and AMD. The HV PRO 85+ series is complied fully with ATX12 v2.52 standard and latest safety 62368 regulation as well and available in wattages that are most common for a PC system. With an 230V 80 Plus® rating, delivers over 88% high efficiency and low noise level, where a large 120mm fan takes care of cooling duties when required.
  • Complies with ATX12 v2.52 & EPS12 v2.92
  • Efficiency 88% @ typical load
  • Active PFC ≧ 0.9
  • Hold up time > 17ms @80% load
  • Durable 450V / 105°C main capacitor
  • +12V Single-rail design
  • +5V &3.3V DC to DC module design
  • 120mm silent & long life fan
  • All black cables
  • Complete protections: OCP/OVP/OPP/SCP

80 PLUS® 230V Bronze - Efficiency 88%

The 80 PLUS® 230V Bronze certification indicates that a high percentage of the electricity is converted into useful power, therefore there is less heat lost and more money saved on the electricity bill.

450V 105°C, Heavy-duty capacitor

The bulk capacitor inside serves to support working under an extremely harsh environment, such as with high temperatures, peak voltage fluctuations. It stabilizes the performance for high reliability that your system can count on.

Low Noise, Less Heat

A 120mm Sleeve Fan, an advanced thermal control fan makes optimal cooling and reduces noise. And longer lifespan than a standard fan.

All Black Cables

We know what builders need. The all black cables give your system a superior look.

Stable DC to DC Output Quality

DC to DC modules with low ripple noise and prolongs system lifetime.

More Than Your Expectation

For gaming enthusiast, the HV PRO 85+ series features with dual CPU power connectors to support high-end motherboard and provide CPU stable power.


AC Input200-240Vac~  4A  50-60Hz
DC Output+3.3V+5V+12V-12V+5Vsb
Max Output Current20A20A45.8A0.3A2.5A
Max Combined Power100W550W3.6W12.5W
Total Power550W


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


Model FSP550-51AAC
Rated Output Power 550W
Form Factor ATX
80 PLUS Certification 230V EU Bronze
Input Voltage 200-240V
Input Current 4A
Input Frequency 50-60Hz
PFC Active PFC
Efficiency 88%
Fan Type Sleeve Fan, 120mm
Dimensions(L x W x H) 150 x 140 x 86mm
Operation Temp. 100,000 Hrs
Protection OCP, OVP, OPP, SCP
2021 By FSP GROUP All rights reseved.
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