Compare Power Supplies

Compare Fractal Design Ion 3 Gold 1000W vs Seasonic G12 GM 550W

  1. Compare
  2. Power Supplies
  3. Fractal Design Ion 3 Gold 1000W 🆚 Seasonic G12 GM 550W
Fractal Design Ion 3 Gold 1000W and Seasonic G12 GM 550W are both power supplies with the same Efficiency (80+ Gold). The main differences are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.
Save comparison
Fractal Design Ion 3 Gold 1000W Black 80 Plus Gold Fully Modular ATX12V 3.1 FD-P-IA3G-100
Fractal Design Ion 3 Gold 1000W
Seasonic G12 GM 550W 80 Plus Gold Semi-Modular G12-GM-550
Seasonic G12 GM 550W
Prices
(Change region)
In Stock
$159.99
Last updated 40 minutes ago.
In Stock
Free shipping
$159.99
In Stock
$172.99
Prices
(Change region)
There are no offers available in your selected region. Other merchants are available in another region.
Out of Stock
+ €18.90 Shipping
€65.90
Out of Stock
+ €11.59 Shipping
€75.99
Out of Stock
+ €5.90 Shipping
€85.30
Show 1 more offers
* Pangoly may earn a commission when you use one of the links to make a purchase. (Disclosure)
* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
Fractal Design
Brand
Seasonic
Model
  • FD-P-IA3G-100
  • FD-P-IA3G-100-EU
Model
G12-GM-550
Release Date
📅 November 2025
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Wattage
1000 W
Wattage
550 W
Type
ATX
Type
ATX
Modular
Full
Modular
Semi
Efficiency
80+ Gold
Efficiency
80+ Gold
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
10
SATA Connectors
6
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 1000W:

  • +450 Watts available
  • Fully modular power supply
  • +1 PCI-Express 6+2 Pin connectors available
  • +1 EPS connectors available
  • +4 SATA connectors available

Buy now

Reasons to buy the Seasonic G12 GM 550W:

  • +1 Molex connectors available

Buy now

Have you found incorrect information on this page? Contact us and we will fix it as soon as possible.

Trending comparisons (Power Supplies)

CORSAIR RM850e (2025)
VS
MSI MAG A850GL PCIE 5
CORSAIR RM850e (2025)

vs

MSI MAG A850GL PCIE 5
be quiet! Pure Power 13 M 1000W
VS
CORSAIR RMx Series RM1000x (2024)
be quiet! Pure Power 13 M 1000W

vs

CORSAIR RMx Series RM1000x (2024)
Corsair RM850e
VS
Corsair RM850x
Corsair RM850e

vs

Corsair RM850x
Lian Li EDGE GOLD 850W
VS
MSI MAG A850GL PCIE 5
Lian Li EDGE GOLD 850W

vs

MSI MAG A850GL PCIE 5
be quiet! Dark Power 14 850W
VS
SeaSonic VERTEX PX-850
be quiet! Dark Power 14 850W

vs

SeaSonic VERTEX PX-850
MSI MAG A750GLS PCIE5
VS
MSI MAG A750GL PCIE 5
MSI MAG A750GLS PCIE5

vs

MSI MAG A750GL PCIE 5
NZXT C850 Gold Core
VS
CORSAIR RM850e (2025)
NZXT C850 Gold Core

vs

CORSAIR RM850e (2025)
CORSAIR RMx Series RM850x (2024)
VS
CORSAIR RMx Series RM1000x (2024)
CORSAIR RMx Series RM850x (2024)

vs

CORSAIR RMx Series RM1000x (2024)
CORSAIR HX1500i 2025
VS
EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W
CORSAIR HX1500i 2025

vs

EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W
be quiet! Pure Power 13 M 850W
VS
Cooler Master MWE 750 Bronze V2
be quiet! Pure Power 13 M 850W

vs

Cooler Master MWE 750 Bronze V2
    News
    Discover how NVIDIA's new RTX Spark superchip challenges Intel x86 and Apple Silicon with 1 Petaflop of local AI power and massive Blackwell graphics.
    NVIDIA RTX Spark: A New Threat to Intel x86 and Apple Chips
    Browse PC Parts
    Spotlight
    $214
    B760M GAMING WIFI PLUS
    Gigabyte B760M GAMING WIFI PLUS
    Trending PC Parts
    x