Compare Power Supplies

Compare Seasonic SS-1050XP3 1050W vs MONTECH Century II 1050W

Seasonic SS-1050XP3 1050W and MONTECH Century II 1050W are both power supplies with the same Wattage (1050 W), Modular (Full) and EPS Connectors (2). The main differences are in Efficiency, PCI-Express 16 Pin 12VHPWR Connectors, PCI-Express 6+2 Pin Connectors and SATA Connectors.

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Seasonic SS-1050XP3 1050W

MONTECH Century II 1050W

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Brand

Seasonic

Brand

Montech

Model

SS-1050XP3
PLATINUM-1050

Model

CENTURY II 1050W

Release Date

📅 October 2016

Release Date

📅 June 2025

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

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Price history

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Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Wattage

1050 W

Wattage

1050 W

Type

ATX

Type

ATX

Modular

Full

Modular

Full

Efficiency

80+ Platinum

Efficiency

80+ Gold

Output

+3.3V@25A, +5V@25A, +12V@87A, -12V@0.5A, +5VSB@3A

Output

-

PCI-Express 16 Pin 12VHPWR Connectors

0

PCI-Express 16 Pin 12VHPWR Connectors

1

PCI-Express 12 Pin Connectors

0

PCI-Express 12 Pin Connectors

0

PCI-Express 6+2 Pin Connectors

8

PCI-Express 6+2 Pin Connectors

6

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

2

EPS Connectors

2

SATA Connectors

14

SATA Connectors

12

Molex Connectors

5

Molex Connectors

4

Length

190 mm

Length

140 mm

Options (2)

	SNOW SILENT-1050
	SS-660XP2

Options (2)

	1200W $159.90
	850W $89.90

Comparison and key differences summary

Reasons to buy the Seasonic SS-1050XP3 1050W:

Better 80 Plus efficiency
+2 PCI-Express 6+2 Pin connectors available
+2 SATA connectors available
+1 Molex connectors available

Reasons to buy the MONTECH Century II 1050W:

Newer Product, it was released around 9 years later

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