Compare Power Supplies

Compare Fractal Design Ion 3 Gold 1000W vs Corsair Professional Series Gold AX1200

Fractal Design Ion 3 Gold 1000W and Corsair Professional Series Gold AX1200 are both power supplies with the same Modular (Full), Efficiency (80+ Gold) and EPS Connectors (2). The main differences are in Wattage, PCI-Express 16 Pin 12VHPWR Connectors, PCI-Express 6+2 Pin Connectors and SATA Connectors.

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Fractal Design Ion 3 Gold 1000W

Corsair Professional Series Gold AX1200

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Brand

Fractal Design

Brand

CORSAIR

Model

FD-P-IA3G-100
FD-P-IA3G-100-EU

Model

CMPSU-1200AX
CMPSU-1200AXUK
CMPSU-1200AX A

Release Date

📅 November 2025

Release Date

-

* 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

1000 W

Wattage

1200 W

Type

ATX

Type

ATX

Modular

Full

Modular

Full

Efficiency

80+ Gold

Efficiency

80+ Gold

Output

-

Output

+3.3V@30A, +5V@30A, +12V1@100.4A, -12V@0.8A, +5VSB@3.5A

PCI-Express 16 Pin 12VHPWR Connectors

1

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

3

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

10

SATA Connectors

16

Molex Connectors

2

Molex Connectors

12

Length

150 mm

Length

185 mm

Options (3)

	Black 850 $129.99
	White 1000 $159.99
	Black 750 $119.99

-

Comparison and key differences summary

Reasons to buy the Fractal Design Ion 3 Gold 1000W:

47% cheaper, you can save $140.00

Reasons to buy the Corsair Professional Series Gold AX1200:

+200 Watts available
+3 PCI-Express 6+2 Pin connectors available
+6 SATA connectors available
+10 Molex connectors available

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