Compare Power Supplies

Compare Seasonic S12II 620 vs SS-660XP2

The main differences between Seasonic S12II 620 and SeaSonic SS-660XP2 are in Wattage, Modular, Efficiency and PCI-Express 6+2 Pin Connectors.

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Seasonic S12II 620

SeaSonic SS-660XP2

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Pangoly Score (How do we rate?)

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Pangoly Score (How do we rate?)

96

Brand

Seasonic

Brand

SeaSonic

Model

S12II 620 Bronze
SS-620GB
SS-620GB F3

Model

SS-660XP2

Release Date

📅 February 2010

Release Date

📅 August 2014

* First availability for purchase, it may not correspond to the actual market launch date.

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User reviews

★★★★★

(39 reviews)

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Price history

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Price history

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Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Pros

-

Pros

80PLUS Platinum
Excellent voltage stability
Excellent ripple suppression
Fully modular
Quiet

Cons

-

Cons

None

Wattage

620 W

Wattage

660 W

Type

ATX

Type

ATX

Modular

No

Modular

Full

Efficiency

80+ Bronze

Efficiency

80+ Platinum

Output

-

Output

+3.3V@25A, +5@25A, +12V@55A, -12V@0.5A, +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

4

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

1

EPS Connectors

2

SATA Connectors

8

SATA Connectors

10

Molex Connectors

4

Molex Connectors

5

Length

140 mm

Length

160 mm

Options (1)

Seasonic S12II 520 BRONZE

520W
$54.99

-

Comparison and key differences summary

Reasons to buy the Seasonic S12II 620:

Reasons to buy the SeaSonic SS-660XP2:

Newer Product, it was released around 5 years later
+40 Watts available
Fully modular power supply
Better 80 Plus efficiency
+2 PCI-Express 6+2 Pin connectors available
+1 EPS connectors available
+2 SATA connectors available
+1 Molex connectors available

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