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Compare Fractal Design Ion 3 Gold 850W vs Thermaltake Smart BX1 450W

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  3. Fractal Design Ion 3 Gold 850W 🆚 Thermaltake Smart BX1 450W
The main differences between Fractal Design Ion 3 Gold 850W and Thermaltake Smart BX1 450W are in Wattage, Modular, Efficiency and PCI-Express 16 Pin 12VHPWR Connectors.
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Fractal Design Ion 3 Gold 850W Black 80 Plus Gold Fully Modular ATX12V 3.1 FD-P-IA3G-850
Fractal Design Ion 3 Gold 850W
Thermaltake Smart BX1 450W 80 Plus Bronze PS-SPD-0450NNFABU-1
Thermaltake Smart BX1 450W
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$129.99
Last updated 8 minutes ago.
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$129.99
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Brand
Fractal Design
Brand
Thermaltake
Model
  • FD-P-IA3G-850
  • FD-P-IA3G-850-EU
Model
PS-SPD-0450NNFABU-1
Release Date
📅 November 2025
Release Date
📅 February 2019
* 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
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Wattage
850 W
Wattage
450 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
1
SATA Connectors
6
SATA Connectors
4
Molex Connectors
2
Molex Connectors
3
Length
150 mm
Length
140 mm

Comparison and key differences summary

Reasons to buy the Fractal Design Ion 3 Gold 850W:

  • Newer Product, it was released around 7 years later
  • +400 Watts available
  • Fully modular power supply
  • Better 80 Plus efficiency
  • +1 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available
  • +2 SATA connectors available

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Reasons to buy the Thermaltake Smart BX1 450W:

  • +1 Molex connectors available

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