Compare Power Supplies

Compare Fractal Design Ion 3 Gold 750W vs SeaSonic G-650

  1. Compare
  2. Power Supplies
  3. Fractal Design Ion 3 Gold 750W 🆚 SeaSonic G-650
Fractal Design Ion 3 Gold 750W and SeaSonic G-650 are both power supplies with the same Efficiency (80+ Gold) and EPS Connectors (2). 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 750W Black 80 Plus Gold Fully Modular ATX12V 3.1 FD-P-IA3G-750
Fractal Design Ion 3 Gold 750W
SeaSonic G-650 650W 80 PLUS Gold Modular SSR-650RM
SeaSonic G-650
Prices
(Change region)
In Stock
$119.99
Last updated 8 minutes ago.
Out of Stock
Free shipping
$119.99
Out of Stock
$129.99
Prices
(Change region)
-
Buy now
* 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.
Pangoly Score (How do we rate?)
-
Pangoly Score (How do we rate?)
93
Brand
Fractal Design
Brand
SeaSonic
Model
  • FD-P-IA3G-750
  • FD-P-IA3G-750-EU
Model
SSR-650RM
Release Date
📅 November 2025
Release Date
📅 October 2012
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(61 reviews)
Price history
View Details ►
Price history
View Details ►
Compatible PC parts
Graphics Cards ► Cases ►
Compatible PC parts
Graphics Cards ► Cases ►
Pros
-
Pros
  • 80PLUS Gold
  • Excellent voltage stability
  • Excellent ripple suppression
  • Modular
  • Quiet
Cons
-
Cons
  • None
Wattage
750 W
Wattage
650 W
Type
ATX
Type
ATX
Modular
Full
Modular
Semi
Efficiency
80+ Gold
Efficiency
80+ Gold
Output
-
Output
+3.3V@20A, +5V@20A, +12V@54A, -12V@0.3A, +5VSB@2.5A
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
4
PCI-Express 6 Pin Connectors
0
PCI-Express 6 Pin Connectors
0
EPS Connectors
2
EPS Connectors
2
SATA Connectors
6
SATA Connectors
8
Molex Connectors
2
Molex Connectors
5
Length
150 mm
Length
160 mm

Comparison and key differences summary

Reasons to buy the Fractal Design Ion 3 Gold 750W:

  • Newer Product, it was released around 13 years later
  • +100 Watts available
  • Fully modular power supply

Buy now

Reasons to buy the SeaSonic G-650:

  • +1 PCI-Express 6+2 Pin connectors available
  • +2 SATA connectors available
  • +3 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)
Lian Li EDGE GOLD 850W
VS
MSI MAG A850GL PCIE 5
Lian Li EDGE GOLD 850W

vs

MSI MAG A850GL PCIE 5
Corsair RM850e
VS
Corsair RM850x
Corsair RM850e

vs

Corsair RM850x
MSI MAG A750GLS PCIE5
VS
MSI MAG A750GL PCIE 5
MSI MAG A750GLS PCIE5

vs

MSI MAG A750GL PCIE 5
be quiet! Dark Power 14 850W
VS
SeaSonic VERTEX PX-850
be quiet! Dark Power 14 850W

vs

SeaSonic VERTEX PX-850
CORSAIR HX1500i 2025
VS
EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W
CORSAIR HX1500i 2025

vs

EVGA SuperNOVA 1000 G3 80 Plus Gold 1000W
CORSAIR RMx Series RM850x (2024)
VS
CORSAIR RMx Series RM1000x (2024)
CORSAIR RMx Series RM850x (2024)

vs

CORSAIR RMx Series RM1000x (2024)
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
be quiet! Pure Power 13 M 850W
VS
be quiet! Power Zone 2 850W
be quiet! Pure Power 13 M 850W

vs

be quiet! Power Zone 2 850W
    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
    $550
    F5-6800J3445G16GX2-RM5RK
    G.SKILL Ripjaws M5 RGB 32GB (2 x 16GB) DDR5 6800
    Trending PC Parts
    x