Compare Power Supplies

Compare FSP PT Series 850W vs CORSAIR RM850x Shift 2025

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

Save comparison

FSP PT Series 850W

CORSAIR RM850x Shift 2025

Prices
(Change region)

-

Prices
(Change region)

In Stock

Last updated 29 minutes ago.

In Stock

Free shipping

In Stock

Free shipping

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

FSP

Brand

Corsair

Model

PT850FM

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

850 W

Wattage

850 W

Type

ATX

Type

ATX

Modular

Full

Modular

Full Shifted

Efficiency

80+ Platinum

Efficiency

-

Output

25A @ +3.3V DC<br/>25A @ +5V DC<br/>70A @ +12V DC<br/>0.8A @ -12V DC<br/>3.0A @ +5Vsb DC Standby

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

8

PCI-Express 6+2 Pin Connectors

4

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

2

EPS Connectors

2

SATA Connectors

13

SATA Connectors

9

Molex Connectors

6

Molex Connectors

4

Length

190 mm

Length

160 mm

Options (5)

	550W HPTM
	750W HPTM
	1200W Aurum PT
	650W HPTM
	1000W Aurum PT

-

Comparison and key differences summary

Reasons to buy the FSP PT Series 850W:

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

Reasons to buy the CORSAIR RM850x Shift 2025:

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