Compare Power Supplies

Compare CORSAIR RM850x Shift 2025 vs FSP Group PT FM series 1200W

CORSAIR RM850x Shift 2025 and FSP Group PT FM series 1200W are both power supplies with the same EPS Connectors (2). The main differences are in Wattage, Modular, PCI-Express 16 Pin 12VHPWR Connectors and PCI-Express 6+2 Pin Connectors.

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CORSAIR RM850x Shift 2025

FSP Group PT FM series 1200W

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Brand

Corsair

Brand

FSP

Model

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

Model

PT1200FM

Release Date

📅 November 2025

Release Date

-

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

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Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Wattage

850 W

Wattage

1200 W

Type

ATX

Type

ATX

Modular

Full Shifted

Modular

Full

Efficiency

-

Efficiency

80+ Platinum

Output

-

Output

25A @ +3.3V DC<br/>25A @ +5V DC<br/>100A @ +12V DC<br/>0.8A @ -12V DC<br/>3.0A @ +5Vsb DC Standby

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

8

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

2

EPS Connectors

2

SATA Connectors

9

SATA Connectors

13

Molex Connectors

4

Molex Connectors

6

Length

160 mm

Length

190 mm

-

Options (4)

	650W HPTM
	750W HPTM
	1000W Aurum PT
	550W HPTM

Comparison and key differences summary

Reasons to buy the CORSAIR RM850x Shift 2025:

Reasons to buy the FSP Group PT FM series 1200W:

+350 Watts available
+4 PCI-Express 6+2 Pin connectors available
+4 SATA connectors available
+2 Molex connectors available

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