Compare Power Supplies

Compare be quiet! SFX L POWER 600W vs System Power 9 600W CM

be quiet! SFX L POWER 600W and be quiet! System Power 9 600W CM are both power supplies with the same Wattage (600 W), PCI-Express 6+2 Pin Connectors (4) and EPS Connectors (1). The main differences are in Modular, Efficiency, SATA Connectors and Molex Connectors.

Save comparison

be quiet! SFX L POWER 600W

be quiet! System Power 9 600W CM

Prices
(Change region)

In Stock

Free shipping

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

be quiet!

Brand

be quiet!

Model

BN215
BN615
BN639
BN239

Model

BN302

Release Date

📅 January 2020

Release Date

📅 January 2022

* 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

600 W

Wattage

600 W

Type

SFX

Type

ATX

Modular

Full

Modular

Semi

Efficiency

80+ Gold

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

4

PCI-Express 6 Pin Connectors

0

PCI-Express 6 Pin Connectors

0

EPS Connectors

1

EPS Connectors

1

SATA Connectors

6

SATA Connectors

10

Molex Connectors

3

Molex Connectors

2

Length

130 mm

Length

140 mm

-

Options (2)

	System Power 9 400W CM
	System Power 9 500W CM

Comparison and key differences summary

Reasons to buy the be quiet! SFX L POWER 600W:

Fully modular power supply
Better 80 Plus efficiency
+1 Molex connectors available

Reasons to buy the be quiet! System Power 9 600W CM:

Newer Product, it was released around 2 years later
+4 SATA connectors available

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