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Black ATX power supply unit with 120mm fan and fixed cables

Cooler Master

Cooler Master 550W power supply

SKU CH-HPVQ-86FWF MPN 550W

ATX 12 V 2.52 desktop power supply delivering 550 W with active PFC, 80 PLUS Bronze efficiency above 87 %, a 120 mm HDB fan, and full protection suite

  • ColorBlack
  • TypeATX12 V 2.52
  • Maximum Power550 W
  • Fans1
  • PFCActive
  • Main Connector20+4 Pin
  • 80 PLUS Bronze certification delivers over 87 percent efficiency
  • Active PFC with LLC plus synchronous rectification and DC-to-DC design
  • 120 mm HDB fan runs quietly under temperature control
  • Full protection suite covers OVP, OPP, OTP and SCP
  • 550 watt output with 41 amp on the 12 volt rail

Rated power and form factor

This ATX12V 2.52 power supply delivers 550 W of continuous power in a 150 mm long chassis. The non-modular design keeps all cables fixed for simple installation in standard desktop builds.

Intended use and limits

Suitable for mid-range systems with a single graphics card needing one 6-pin and one 6+2-pin connector. Builds requiring fully modular cabling or multiple high-power GPUs should consider a higher-wattage modular unit.

12 V rail capacity

The +12 V rail supplies up to 41 A, providing the bulk of the 550 W for modern CPU and GPU loads. This figure determines whether the unit can sustain your components under full load.

Punti di forza

  • 80 PLUS Bronze certification delivers over 87 percent efficiency
  • Active PFC with LLC plus synchronous rectification and DC-to-DC design
  • 120 mm HDB fan runs quietly under temperature control
  • Full protection suite covers OVP, OPP, OTP and SCP
  • 550 watt output with 41 amp on the 12 volt rail

Caratteristiche tecniche

BrandCooler Master
Series80 Plus
Model550W
ColorBlack
TypeATX12 V 2.52
Maximum Power550 W
Fans1
PFCActive
Main Connector20+4 Pin
PCI-Express Connector1 x 6 Pin, 1 x 6+2 Pin
SATA Power Connector6
CrossFireCrossFire Ready
Max PSU Length150 mm
ModularNon-Modular
Hold-up Time>14ms
Efficiency>87%
Energy-Efficient80 PLUS BRONZE Certified
Over Voltage ProtectionYes
Overload ProtectionYes
ProtectionOVP / OPP / OTP / SCP
Input Voltage200-240V
Input Frequency Range50/60 Hz
Input Current5A
MTBF>100,000 Hours
Connectors1 x 24 pin (20+4) ATX
Power Rating500W
Size/Dimensions140 × 150 × 86mm
Dimensions140 × 150 × 86mm
Weight1.51KG
12V Power Connector1 x 4+4 Pin ATX/EPS 12V
Fans Total Quantity1
Top Fans Size120mm
Top Fans Bearing TypeHDB
Over Load ProtectionYes
Short Circuit ProtectionYes
Under Voltage ProtectionYes
Over Current ProtectionYes
Over Power ProtectionYes
Over Temperature ProtectionYes

Domande su questo articolo

What does the 550W rating mean for a typical desktop build?

The unit can deliver up to 550W of continuous power, with 41A available on the 12V rail and 16A each on the 3.3V and 5V rails, supporting mid-range CPUs and graphics cards.

How does the 80 PLUS Bronze certification and ATX 12V 2.52 standard affect efficiency and compatibility?

Certification guarantees over 87% efficiency at typical loads, while the ATX 12V 2.52 design ensures correct voltage regulation and PG signalling for modern motherboards.

Will the 150mm long non-modular chassis with a 120mm HDB fan fit my case and mounting points?

The supply measures 140mm wide, 150mm deep and 86mm high, uses a single 120mm hydraulic-bearing fan, and includes standard ATX mounting screws for typical case bays.

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