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Compare SeaSonic SS-860XP2 vs G-550

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  3. SeaSonic SS-860XP2 🆚 SeaSonic G-550
SeaSonic SS-860XP2 and SeaSonic G-550 are both power supplies with the same Molex Connectors (5). The main differences are in Wattage, Modular, Efficiency and Output.
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SeaSonic SS-860XP2 860W 80 PLUS Platinum Modular
SeaSonic SS-860XP2
SeaSonic G-550 550W 80 PLUS Gold Modular SSR-550RM
SeaSonic G-550
Prices
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Prices
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Pangoly Score (How do we rate?)
96
Pangoly Score (How do we rate?)
92
Brand
SeaSonic
Brand
SeaSonic
Model
PLATINUM-860
Model
SSR-550RM
Release Date
📅 January 2012
Release Date
📅 October 2012
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(4 reviews)
User reviews
★★★★★
(148 reviews)
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Pros
-
Pros
  • 80PLUS Gold
  • Excellent voltage stability
  • Excellent ripple suppression
  • Modular
  • Quiet
Cons
-
Cons
  • Cables may be a bit short
Wattage
860 W
Wattage
550 W
Type
ATX
Type
ATX
Modular
Full
Modular
Semi
Efficiency
80+ Platinum
Efficiency
80+ Gold
Output
+3.3V@25A, +5V@25A, +12V@71A, -12V@0.5A, +5VSB@3A
Output
+3.3V@20A, +5V@20A, +12V@45A, -12V@0.3A, +5VSB@2.5A
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
6
PCI-Express 6+2 Pin Connectors
2
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
2
EPS Connectors
1
SATA Connectors
10
SATA Connectors
6
Molex Connectors
5
Molex Connectors
5
Length
-
Length
160 mm
-

Comparison and key differences summary

Reasons to buy the SeaSonic SS-860XP2:

  • Better Pangoly Score. (How do we rate?)
  • +310 Watts available
  • Fully modular power supply
  • Better 80 Plus efficiency
  • +4 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available
  • +4 SATA connectors available

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Reasons to buy the SeaSonic G-550:

  • Newer Product, it was released around 9 months later

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