Compare Power Supplies

Compare Fractal Design Ion 3 Gold 850W vs Raidmax RX-300XT

Fractal Design Ion 3 Gold 850W and Raidmax RX-300XT are both power supplies with the same Molex 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 850W

Raidmax RX-300XT

Prices
(Change region)

In Stock

Last updated 13 minutes ago.

In Stock

Free shipping

Prices
(Change region)

Out of Stock

+ $10.23 Shipping

-

* 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

Raidmax

Model

FD-P-IA3G-850
FD-P-IA3G-850-EU

Model

RX-300XT

Release Date

📅 November 2025

Release Date

-

* First availability for purchase, it may not correspond to the actual market launch date.

User reviews

Add a product review

User reviews

Add a product review

Price history

View Details ►

Price history

View Details ►

Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Wattage

850 W

Wattage

300 W

Type

ATX

Type

ATX

Modular

Full

Modular

No

Efficiency

80+ Gold

Efficiency

-

Output

-

Output

+3.3V@14A, +5V@15A, +12V1@21A, -12V@0.5A ,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

0

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

2

Length

150 mm

Length

146 mm

Options (3)

	Black 750 $119.99
	Black 1000 $159.99
	White 1000 $159.99

-

Comparison and key differences summary

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

+550 Watts available
Fully modular power supply
+3 PCI-Express 6+2 Pin connectors available
+1 EPS connectors available
+2 SATA connectors available

Reasons to buy the Raidmax RX-300XT:

78% cheaper, you can save $102.00

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