be quiet! System Power 9 400W CM Power Supply

be quiet! System Power 9 400W CM Modular 80 Plus Bronze BN300

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Options (2)

	System Power 9 600W CM
	System Power 9 500W CM

Power: 400 watts
Volume level: 9.5 18.6 dB(A)
Features: Cable Management, Active PFC, 80 Plus 230 V EU
Standard: ATX12V 2.4
Fan: 120 mm

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Specifications Overview

Model	BN300
Release Date	January 2022 * First availability for purchase, it may not correspond to the actual market launch date.
Wattage	400 W
Type	ATX
Modular	Semi
Efficiency	80+ Bronze
PCI-Express 16 Pin 12VHPWR Connectors	0
PCI-Express 12 Pin Connectors	0
PCI-Express 6+2 Pin Connectors	2
PCI-Express 6 Pin Connectors	0
EPS Connectors	1
SATA Connectors	5
Molex Connectors	2
Length	140 mm

	Old Name	Current Name	Branding	Data Speed	Port
USB 2.0	USB 2.0	USB 2.0	Hi-Speed USB	480 Mbit/s	diverse
USB 3.0	USB 3.1 Gen 1	USB 3.2 Gen 1x1	SuperSpeed USB	5 Gbit/s	diverse
USB 3.1	USB 3.1 Gen 2	USB 3.2 Gen 2x1	SuperSpeed USB 10Gbps	10 Gbit/s	diverse
USB 3.2	USB 3.2 Gen 2x2	USB 4.0 Gen 2x2	USB4 20Gbps	20 Gbit/s	only USB-C
USB4	USB 4.0 Gen 3x2	USB4 1.0	USB4 40Gbps	40 Gbit/s	only USB-C
USB4v2	USB 4.0 Gen 4	USB4 2.0	USB4 80Gbps	80-120 Gbit/s	only USB-C