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Compare CORSAIR RM850x Shift 2025 vs SF850 (2024)

CORSAIR RM850x Shift 2025 and Corsair SF850 (2024) are both power supplies with the same Wattage (850 W), PCI-Express 16 Pin 12VHPWR Connectors (1) and EPS Connectors (2). The main differences are in Modular, PCI-Express 6+2 Pin Connectors, SATA Connectors and Molex Connectors.

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CORSAIR RM850x Shift 2025

Corsair SF850 (2024)

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Brand

Corsair

Brand

Corsair

Model

CP-9020299-NA
CP-9020299-EU
CP-9020299-UK
CP-9020299-AU

Model

CP-9020256
CP-9020256-NA
CP-9020256-AU
CP-9020256-UK
CP-9020256-EU

Release Date

📅 November 2025

Release Date

📅 June 2024

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

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Price history

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Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Wattage

850 W

Wattage

850 W

Type

ATX

Type

SFX

Modular

Full Shifted

Modular

Full

Efficiency

-

Efficiency

80+ Platinum

PCI-Express 16 Pin 12VHPWR Connectors

1

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

4

PCI-Express 6+2 Pin Connectors

3

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

2

EPS Connectors

2

SATA Connectors

9

SATA Connectors

8

Molex Connectors

4

Molex Connectors

3

Length

160 mm

Length

100 mm

-

Options (4)

	SF 750 Watts $299.00
	SF (ATX 3.1 & PCIe 5.1) 750 Watts $159.99
	SF-L 1000 Watts $156.99
	SF-L 850 Watts $299.00

Comparison and key differences summary

Reasons to buy the CORSAIR RM850x Shift 2025:

16% cheaper, you can save $29.00
Newer Product, it was released around 16 months later
+1 PCI-Express 6+2 Pin connectors available
+1 SATA connectors available
+1 Molex connectors available

Reasons to buy the Corsair SF850 (2024):

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