Compare Power Supplies

Compare Cooler Master GM Series G650M vs G550M

Cooler Master GM Series G650M and Cooler Master G550M are both power supplies with the same Modular (Semi), Efficiency (80+ Bronze) and EPS Connectors (1). The main differences are in Wattage, PCI-Express 6+2 Pin Connectors, SATA Connectors and Molex Connectors.

Save comparison

Cooler Master GM Series G650M

Cooler Master G550M

Prices
(Change region)

-

Prices
(Change region)

-

* 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

Cooler Master

Brand

Cooler Master

Model

RS650-AMAAB1

Model

RS550-AMAAB1

Release Date

📅 October 2014

Release Date

📅 January 2015

* 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

650 W

Wattage

550 W

Type

ATX

Type

ATX

Modular

Semi

Modular

Semi

Efficiency

80+ Bronze

Efficiency

80+ Bronze

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

2

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

1

EPS Connectors

1

SATA Connectors

8

SATA Connectors

6

Molex Connectors

6

Molex Connectors

3

Options (2)

	Bronze G550M
	Bronze G750M

Options (1)

Cooler Master GM Series G750M

Bronze G750M

Comparison and key differences summary

Reasons to buy the Cooler Master GM Series G650M:

+100 Watts available
+2 PCI-Express 6+2 Pin connectors available
+2 SATA connectors available
+3 Molex connectors available

Reasons to buy the Cooler Master G550M:

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