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Corsair RM650x vs Corsair HX1000 1000W vs Corsair HX850 850W vs Seasonic SSR-750RM 750W

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Brand
Corsair
Brand
Corsair
Brand
Corsair
Brand
Seasonic
Model
  • CP-9020091-NA
  • CP-9020091-EU
  • CP-9020091-UK
Model
  • CP-9020139-NA
  • CP-9020139-EU
  • CP-9020139-UK
Model
  • CP-9020138-NA
  • CP-9020138-EU
  • CP-9020138-UK
Model
SSR-750RM
Release Date
📅 September 2015
Release Date
📅 February 2017
Release Date
📅 February 2017
Release Date
📅 August 2014
* 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
1000 W
Wattage
850 W
Wattage
750 W
Type
ATX
Type
ATX
Type
ATX
Type
ATX
Modular
Full
Modular
Full
Modular
Full
Modular
Semi
Efficiency
80+ Gold
Efficiency
80+ Platinum
Efficiency
80+ Platinum
Efficiency
80+ Gold
Output
-
Output
+3.3V@25A, +5V@25A, +12V@83.3A, -12V@0.8A, +5HXB@3A
Output
+3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5HXB@3A
Output
+3.3V@20A, +5V@20A, +12V@62A, -12V@0.3A, +5Vsb@2.5A
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
6
PCI-Express 6+2 Pin Connectors
6
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
2
EPS Connectors
2
SATA Connectors
8
SATA Connectors
16
SATA Connectors
16
SATA Connectors
10
Molex Connectors
7
Molex Connectors
8
Molex Connectors
6
Molex Connectors
5
Length
160 mm
Length
180 mm
Length
180 mm
Length
159 mm

What are the differences between Corsair RM650x and Corsair HX1000 1000W and Corsair HX850 850W and Seasonic SSR-750RM 750W? Analyze head-to-head all specifications and features to find out the better power supply.
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