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Corsair RM650x vs Corsair HX1200 1200W vs Seasonic M12II 520 vs EVGA 550 B3

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Brand
Corsair
Brand
Corsair
Brand
Seasonic
Brand
EVGA
Model
  • CP-9020091-NA
  • CP-9020091-EU
  • CP-9020091-UK
Model
  • CP-9020140-NA
  • CP-9020140-EU
  • CP-9020140-UK
  • CP-9020140-AU
Model
SS-520GM2
Model
  • 220-B3-0550-V1
  • 220-B3-0550-V3
  • 220-B3-0550-V2
Release Date
📅 September 2015
Release Date
📅 February 2017
Release Date
📅 August 2018
Release Date
📅 September 2018
* 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
650 W
Wattage
1200 W
Wattage
520 W
Wattage
550 W
Type
ATX
Type
ATX
Type
ATX
Type
ATX
Modular
Full
Modular
Full
Modular
Full
Modular
Full
Efficiency
80+ Gold
Efficiency
80+ Platinum
Efficiency
80+ Bronze
Efficiency
80+ Bronze
Output
-
Output
+3.3V@30A, +5V@30A, +12V@100A, -12V@0.8A, +5HXB@3.5A
Output
-
Output
+3.3V@20A, +5V@20A, +12V@45.8A, +5Vsb@3A, -12V@0.5A
PCI-Express 16 Pin 12VHPWR Connectors
0
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
0
PCI-Express 12 Pin Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 12 Pin Connectors
0
PCI-Express 6+2 Pin Connectors
4
PCI-Express 6+2 Pin Connectors
8
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
1
EPS Connectors
2
EPS Connectors
1
EPS Connectors
1
SATA Connectors
8
SATA Connectors
20
SATA Connectors
6
SATA Connectors
6
Molex Connectors
7
Molex Connectors
8
Molex Connectors
5
Molex Connectors
3
Length
160 mm
Length
200 mm
Length
160 mm
Length
-

What are the differences between Corsair RM650x and Corsair HX1200 1200W and Seasonic M12II 520 and EVGA 550 B3? Analyze head-to-head all specifications and features to find out the better power supply.
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