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Compare Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W vs FOCUS Plus SSR-850FX 850W

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  3. Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W 🆚 Seasonic FOCUS Plus SSR-850FX 850W
Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W and Seasonic FOCUS Plus SSR-850FX 850W are both power supplies with the same Modular (Full) and Length (140 mm). The main differences are in Wattage, Efficiency, Output and PCI-Express 6+2 Pin Connectors.
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Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W 80+ Platinum ATX12V & EPS12V Full Modular
Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W
Seasonic FOCUS Plus SSR-850FX 850W 80+ Gold
Seasonic FOCUS Plus SSR-850FX 850W
Prices
(Change region)
Out of Stock
Free shipping
$129.99
-
Buy now
Prices
(Change region)
Out of Stock
Free shipping
$139.99
-
Buy now
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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
Seasonic
Brand
Seasonic
Model
SSR-550PX
Model
SSR-850FX
Release Date
📅 August 2017
Release Date
📅 August 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Wattage
550 W
Wattage
850 W
Type
ATX
Type
ATX
Modular
Full
Modular
Full
Efficiency
80+ Platinum
Efficiency
80+ Gold
Output
+3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5VSB@3.0A
Output
+3.3V@20A, +5V@20A, +12V@70A, -12V@0.3A, +5Vsb@3A
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 6+2 Pin Connectors
2
PCI-Express 6+2 Pin Connectors
6
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
1
EPS Connectors
2
SATA Connectors
6
SATA Connectors
10
Molex Connectors
3
Molex Connectors
5
Length
140 mm
Length
140 mm

Comparison and key differences summary

Reasons to buy the Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W:

  • 7% cheaper, you can save $10.00
  • Better 80 Plus efficiency

Buy now

Reasons to buy the Seasonic FOCUS Plus SSR-850FX 850W:

  • Newer Product, it was released around 11 months later
  • +300 Watts available
  • +4 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available
  • +4 SATA connectors available
  • +2 Molex connectors available

Buy now

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