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Corsair CS550M vs Corsair HX850 850W vs EVGA 450 B1 vs Corsair CX450M

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Brand
Corsair
Brand
Corsair
Brand
EVGA
Brand
Corsair
Model
  • CP-9020076-NA
  • CP-9020076-EU
  • CP-9020076-UK
Model
  • CP-9020138-NA
  • CP-9020138-EU
  • CP-9020138-UK
Model
100-B1-0450
Model
  • CP-9020101-NA
  • CP-9020101-EU
  • CP-9020101-UK
Release Date
📅 November 2013
Release Date
📅 February 2017
Release Date
📅 October 2016
Release Date
📅 February 2016
* 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
850 W
Wattage
450 W
Wattage
450 W
Type
ATX
Type
ATX
Type
ATX
Type
ATX
Modular
Semi
Modular
Full
Modular
No
Modular
Semi
Efficiency
80+ Gold
Efficiency
80+ Platinum
Efficiency
80+ Bronze
Efficiency
80+ Bronze
Output
-
Output
+3.3V@25A, +5V@25A, +12V@70.8A, -12V@0.8A, +5HXB@3A
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
2
PCI-Express 6+2 Pin Connectors
6
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
6
SATA Connectors
16
SATA Connectors
4
SATA Connectors
4
Molex Connectors
4
Molex Connectors
6
Molex Connectors
3
Molex Connectors
3
Length
140 mm
Length
180 mm
Length
-
Length
140 mm

What are the differences between Corsair CS550M and Corsair HX850 850W and EVGA 450 B1 and Corsair CX450M? Analyze head-to-head all specifications and features to find out the better power supply.
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