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Corsair HX1000i 1000W vs Corsair HX1200 1200W vs Seasonic S12II 620 vs Corsair RM550x

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Brand
Corsair
Brand
Corsair
Brand
Seasonic
Brand
Corsair
Model
  • CP-9020074
  • CP-9020074-UK
  • CP-9020074-NA
  • CP-9020074-AU
  • CP-9020074-EU
Model
  • CP-9020140-NA
  • CP-9020140-EU
  • CP-9020140-UK
  • CP-9020140-AU
Model
  • S12II 620 Bronze
  • SS-620GB
  • SS-620GB F3
Model
  • CP-9020090-NA
  • RM550x
  • CP-9020090-UK
  • CP-9020090-EU
Release Date
📅 August 2014
Release Date
📅 February 2017
Release Date
📅 February 2010
Release Date
📅 September 2015
* 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
1000 W
Wattage
1200 W
Wattage
620 W
Wattage
550 W
Type
ATX
Type
ATX
Type
ATX
Type
ATX
Modular
Full
Modular
Full
Modular
No
Modular
Full
Efficiency
80+ Platinum
Efficiency
80+ Platinum
Efficiency
80+ Bronze
Efficiency
80+ Gold
Output
+3.3V@25A, +5V@25A, +12V@83.3A, -12V@0.8A, +5VSB@3A
Output
+3.3V@30A, +5V@30A, +12V@100A, -12V@0.8A, +5HXB@3.5A
Output
-
Output
-
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
2
EPS Connectors
2
EPS Connectors
1
EPS Connectors
1
SATA Connectors
12
SATA Connectors
20
SATA Connectors
8
SATA Connectors
6
Molex Connectors
12
Molex Connectors
8
Molex Connectors
4
Molex Connectors
4
Length
180 mm
Length
200 mm
Length
140 mm
Length
160 mm

What are the differences between Corsair HX1000i 1000W and Corsair HX1200 1200W and Seasonic S12II 620 and Corsair RM550x? Analyze head-to-head all specifications and features to find out the better power supply.
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