Raidmax RX-300XT vs CORSAIR RM850x Shift 2025 Power Supply Comparison

The main differences between Raidmax RX-300XT and CORSAIR RM850x Shift 2025 are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.

Save comparison

Raidmax RX-300XT	CORSAIR RM850x Shift 2025
Prices (Change region) Out of Stock + $10.23 Shipping $27.99 - Buy now	Prices (Change region) In Stock $149.99 Last updated 16 minutes ago. In Stock Free shipping $149.99 Out of Stock $161.99 In Stock Free shipping $169.99 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 Raidmax	Brand Corsair
Model RX-300XT	Model CP-9020299-NA CP-9020299-EU CP-9020299-UK CP-9020299-AU
Release Date -	Release Date 📅 November 2025
* 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 300 W	Wattage 850 W
Type ATX	Type ATX
Modular No	Modular Full Shifted
Output +3.3V@14A, +5V@15A, +12V1@21A, -12V@0.5A ,5VSB@2.5A	Output -
PCI-Express 16 Pin 12VHPWR Connectors 0	PCI-Express 16 Pin 12VHPWR Connectors 1
PCI-Express 12 Pin Connectors 0	PCI-Express 12 Pin Connectors 0
PCI-Express 6+2 Pin Connectors 0	PCI-Express 6+2 Pin Connectors 4
PCI-Express 6 Pin Connectors 0	PCI-Express 6 Pin Connectors 0
EPS Connectors 1	EPS Connectors 2
SATA Connectors 4	SATA Connectors 9
Molex Connectors 2	Molex Connectors 4
Length 146 mm	Length 160 mm