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Compare Fractal Design Ion 3 Gold 1000W vs Lian Li RB550

Fractal Design Ion 3 Gold 1000W and Lian Li RB550 are both power supplies with the same EPS Connectors (2) and Length (150 mm). The main differences are in Wattage, Modular, Efficiency and PCI-Express 16 Pin 12VHPWR Connectors.
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Prices
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In Stock
$159.99
Last updated 11 minutes ago.
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Prices
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In Stock
$49.99
Last updated 11 minutes ago.
In Stock
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Brand
Fractal Design
Brand
Lian Li
Model
  • FD-P-IA3G-100
  • FD-P-IA3G-100-EU
Model
  • RB0550B
  • G9P.RB0550B.B000.EU
  • G9P.RB0550B.B000
Release Date
📅 November 2025
Release Date
📅 October 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Compatible PC parts
Compatible PC parts
Wattage
1000 W
Wattage
550 W
Type
ATX
Type
ATX
Modular
Full
Modular
No
Efficiency
80+ Gold
Efficiency
80+ Bronze
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
2
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
2
EPS Connectors
2
SATA Connectors
10
SATA Connectors
3
Molex Connectors
2
Molex Connectors
1
Length
150 mm
Length
150 mm

Comparison and key differences summary

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

  • +450 Watts available
  • Fully modular power supply
  • Better 80 Plus efficiency
  • +1 PCI-Express 6+2 Pin connectors available
  • +7 SATA connectors available
  • +1 Molex connectors available

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Reasons to buy the Lian Li RB550:

  • 69% cheaper, you can save $110.00

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