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Corsair CX550 vs Corsair HX1000i 1000W vs EVGA SuperNOVA 650 G3 vs EVGA 450 B3

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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Corsair
Brand
Corsair
Brand
EVGA
Brand
EVGA
Model
  • CP-9020121-NA
  • CP-9020121-EU
  • CP-9020121-UK
Model
  • CP-9020074
  • CP-9020074-UK
  • CP-9020074-NA
  • CP-9020074-AU
  • CP-9020074-EU
Model
  • 220-G3-0650
  • 220-G3-0650-Y1
  • 220-G3-0650-Y2
  • 220-G3-0650-Y3
  • 220-G3-0650-Y4
Model
  • 220-B3-0450
  • 220-B3-0450-V1
  • 220-B3-0450-V2
  • 220-B3-0450-V3
Release Date
📅 March 2017
Release Date
📅 August 2014
Release Date
📅 November 2016
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
550 W
Wattage
1000 W
Wattage
650 W
Wattage
450 W
Type
ATX
Type
ATX
Type
ATX
Type
ATX
Modular
No
Modular
Full
Modular
Full
Modular
Full
Efficiency
80+ Bronze
Efficiency
80+ Platinum
Efficiency
80+ Gold
Efficiency
80+ Bronze
Output
-
Output
+3.3V@25A, +5V@25A, +12V@83.3A, -12V@0.8A, +5VSB@3A
Output
-
Output
+3.3V@20A, +5V@20A, +12V@37.4A, +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
2
PCI-Express 6+2 Pin Connectors
4
PCI-Express 6+2 Pin Connectors
3
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
5
SATA Connectors
12
SATA Connectors
6
SATA Connectors
6
Molex Connectors
4
Molex Connectors
12
Molex Connectors
4
Molex Connectors
3
Length
140 mm
Length
180 mm
Length
150 mm
Length
-

What are the differences between Corsair CX550 and Corsair HX1000i 1000W and EVGA SuperNOVA 650 G3 and EVGA 450 B3? Analyze head-to-head all specifications and features to find out the better power supply.
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