Compare Power Supplies

Compare CORSAIR RM1000x SHIFT 2025 vs RM850 2021

CORSAIR RM1000x SHIFT 2025 and CORSAIR RM850 2021 are both power supplies with the same PCI-Express 6+2 Pin Connectors (4), Molex Connectors (4) and Length (160 mm). The main differences are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and EPS Connectors.

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CORSAIR RM1000x SHIFT 2025

CORSAIR RM850 2021

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* 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

Corsair

Brand

Corsair

Model

CP-9020300-NA
CP-9020300-EU
CP-9020300-UK
CP-9020300-AU

Model

CP-9020235-NA
CP-9020235-UK
CP-9020235-AU
CP-9020235-EU

Release Date

📅 November 2025

Release Date

📅 June 2021

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

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Price history

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Price history

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Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Wattage

1000 W

Wattage

850 W

Type

ATX

Type

ATX

Modular

Full Shifted

Modular

Full

Efficiency

-

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

4

PCI-Express 6+2 Pin Connectors

4

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

2

EPS Connectors

3

SATA Connectors

12

SATA Connectors

14

Molex Connectors

4

Molex Connectors

4

Length

160 mm

Length

160 mm

Options (1)

CORSAIR RM850x Shift 2025

850W
$149.99

Options (4)

	Black 750W $116.99
	White 850W $124.99
	White 750W $144.99
	Black 650W $101.16

Comparison and key differences summary

Reasons to buy the CORSAIR RM1000x SHIFT 2025:

39% cheaper, you can save $116.01
Newer Product, it was released around 4 years later
+150 Watts available

Reasons to buy the CORSAIR RM850 2021:

+1 EPS connectors available
+2 SATA connectors available

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