Compare Power Supplies

Compare Corsair CX550M 2021 vs RM750x 2021

Corsair CX550M 2021 and Corsair RM750x 2021 are both power supplies with the same PCI-Express 6+2 Pin Connectors (4) and Molex Connectors (4). The main differences are in Wattage, Modular, Efficiency and EPS Connectors.

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Corsair CX550M 2021

Corsair RM750x 2021

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Brand

Corsair

Brand

Corsair

Model

CP-9020220-NA
CP-9020220-EU
CP-9020220-UK
CP-9020220-AU

Model

CP-9020199-NA
CP-9020199-EU
CP-9020199-UK
CP-9020199-AU

Release Date

-

Release Date

📅 February 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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Compatible PC parts

Graphics Cards ► Cases ►

Compatible PC parts

Graphics Cards ► Cases ►

Wattage

550 W

Wattage

750 W

Type

ATX

Type

ATX

Modular

Semi

Modular

Full

Efficiency

80+ Bronze

Efficiency

80+ Gold

PCI-Express 16 Pin 12VHPWR Connectors

0

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

1

EPS Connectors

2

SATA Connectors

6

SATA Connectors

10

Molex Connectors

4

Molex Connectors

4

Length

140 mm

Length

160 mm

-

Options (1)

Corsair RM650x 2021

650W
$199.00

Comparison and key differences summary

Reasons to buy the Corsair CX550M 2021:

22% cheaper, you can save $20.00

Reasons to buy the Corsair RM750x 2021:

+200 Watts available
Fully modular power supply
Better 80 Plus efficiency
+1 EPS connectors available
+4 SATA connectors available

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