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Compare Seasonic FOCUS FM SSR-450FM 450W vs FOCUS Plus 550 Platinum SSR-550PX 550W

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  3. Seasonic FOCUS FM SSR-450FM 450W 🆚 Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W
Seasonic FOCUS FM SSR-450FM 450W and Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W are both power supplies with the same PCI-Express 6+2 Pin Connectors (2), EPS Connectors (1) and Molex Connectors (3). The main differences are in Wattage, Modular, Efficiency and SATA Connectors.
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Seasonic FOCUS FM SSR-450FM 450W 80 PLUS Gold Semi-Modular
Seasonic FOCUS FM SSR-450FM 450W
Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W 80+ Platinum ATX12V & EPS12V Full Modular
Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W
Prices
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Prices
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$129.99
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Brand
Seasonic
Brand
Seasonic
Model
SSR-450FM
Model
SSR-550PX
Release Date
📅 October 2018
Release Date
📅 August 2017
* 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
450 W
Wattage
550 W
Type
ATX
Type
ATX
Modular
Semi
Modular
Full
Efficiency
80+ Gold
Efficiency
80+ Platinum
Output
-
Output
+3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5VSB@3.0A
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
2
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
1
EPS Connectors
1
SATA Connectors
4
SATA Connectors
6
Molex Connectors
3
Molex Connectors
3
Length
140 mm
Length
140 mm

Comparison and key differences summary

Reasons to buy the Seasonic FOCUS FM SSR-450FM 450W:

  • Newer Product, it was released around 14 months later

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

  • +100 Watts available
  • Fully modular power supply
  • Better 80 Plus efficiency
  • +2 SATA connectors available

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