Product comparison · 2 power supply units

StarTech.com 530 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC vs StarTech.com 550 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC

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  • 48specifications compared
  • 5differ
  • 43identical
  • 0known for one product only

Key differences

  • Total power
    • 530 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:530 W
    • 550 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:550 W
  • Max output current (+12V1)
    • 530 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:41 A
    • 550 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:43 A
  • Max output current (+12V2)
    • 530 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:41 A
    • 550 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:43 A
  • Max output current (+12V3)
    • 530 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:41 A
    • 550 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:43 A
  • Max output current (+12V4)
    • 530 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:41 A
    • 550 Watt ATX12V 2.3 80 Plus Computer Power Supply w/ Active PFC:43 A

Side by side

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Comparison of ATX2PW530WH, ATX2PW550WH
48 specifications
Power5 differ
Total powerDiffers530 W550 W
AC input voltage100 - 240 V100 - 240 V
AC input frequency50 - 60 Hz50 - 60 Hz
Maximum input current (@110V)+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V,-5V+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V,-5V
Power Factor Correction (PFC) typeActiveActive
Max output current (+3.3V)20 A20 A
Max output current (+12V1)Differs41 A43 A
Max output current (+12V2)Differs41 A43 A
Max output current (+12V3)Differs41 A43 A
Max output current (+12V4)Differs41 A43 A
Max output current (+5V)20 A20 A
Max output current (-12V)0.5 A0.5 A
Max output current (+5Vsb)2.5 A2.5 A
Efficiency80%80%
Power protection featuresOver current, Over power, Over voltage, Short circuitOver current, Over power, Over voltage, Short circuit
Ports & interfacesidentical
Motherboard power connector20+4 pin ATX20+4 pin ATX
Number of SATA power connectors44
Peripheral (Molex) power connectors (4-pin)33
PCI Express power connectors (6-pin)11
PCI Express power connectors (8-pin)11
CPU P4 connector (4-pin)11
CPU power connector (4+4 pin)YesYes
ATX power connector (20+4 pin)YesYes
PCI Express connectorYesYes
Cabling typeNon-ModularNon-Modular
Performanceidentical
PurposePCPC
Power supply unit (PSU) form factorATXATX
80 PLUS certification80 PLUS80 PLUS
ATX version2.32.3
EPS version2.922.92
Designidentical
Product colourBlackBlack
Cooling typeActiveActive
Fan diameter12 cm12 cm
Number of fans1 fan(s)1 fan(s)
Fan locationTopTop
On/off switchYesYes
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Storage temperature (T-T)-20 - 80 °C-20 - 80 °C
Certificatesidentical
Compliance certificatesRoHSRoHS
Weight & dimensionsidentical
Width68 mm68 mm
Depth150 mm150 mm
Height140 mm140 mm
Weight197 g197 g
Packaging dataidentical
Package width200 mm200 mm
Package depth242 mm242 mm
Package height98 mm98 mm
Package weight2.41 kg2.41 kg
Other featuresidentical
Maximum current60 A60 A

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