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XFX P1550BBEFX 550W vs CORSAIR TX Series TX550M 550W vs Seasonic S12II 620 vs BitFenix Whisper M 450W

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Brand
XFX
Brand
Corsair
Brand
Seasonic
Brand
BitFenix
Model
P1550BBEFX
Model
  • CP-9020133-NA
  • CP-9020133-UK
  • CP-9020133-EU
Model
  • S12II 620 Bronze
  • SS-620GB
  • SS-620GB F3
Model
  • BP-WG450UMAG-7FM
  • BP-WG450UMAG-0FM
  • BP-WG450UMAG-6FM
  • BP-WG450UMAG-8FM
  • BP-WG450UMAG-9FM
Release Date
📅 January 2011
Release Date
-
Release Date
📅 February 2010
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
User reviews
User reviews
Price history
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Price history
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Price history
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Price history
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Supported PC parts
Supported PC parts
Supported PC parts
Supported PC parts
Wattage
-
Wattage
550 W
Wattage
620 W
Wattage
450 W
Type
-
Type
ATX
Type
ATX
Type
ATX
Modular
-
Modular
Semi
Modular
No
Modular
Full
Efficiency
-
Efficiency
80+ Gold
Efficiency
80+ Bronze
Efficiency
80+ Gold
Output
-
Output
+3.3V@25A, +5V@25A, +12V@43A, -12V@0.8A, +5TX-MB@3A
Output
-
Output
-
PCI-Express 16 Pin 12VHPWR Connectors
-
PCI-Express 16 Pin 12VHPWR Connectors
0
PCI-Express 16 Pin 12VHPWR Connectors
0
PCI-Express 16 Pin 12VHPWR Connectors
0
PCI-Express 12 Pin Connectors
-
PCI-Express 12 Pin Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 6+2 Pin Connectors
-
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6 Pin Connectors
-
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
-
EPS Connectors
1
EPS Connectors
1
EPS Connectors
1
SATA Connectors
-
SATA Connectors
5
SATA Connectors
8
SATA Connectors
8
Molex Connectors
-
Molex Connectors
4
Molex Connectors
4
Molex Connectors
4
Length
-
Length
140 mm
Length
140 mm
Length
160 mm

What are the differences between XFX P1550BBEFX 550W and CORSAIR TX Series TX550M 550W and Seasonic S12II 620 and BitFenix Whisper M 450W? Analyze head-to-head all specifications and features to find out the better power supply.
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