compact
Article number: BN227

SFX POWER 2

400W

Compact and Silent Energy

SFX Power 2 400W is the be quiet! advanced high-power compact PSU that gives you more for your mini or media PC. It is the perfect upgrade for any PC chassis requiring an SFX form factor PSU. Its efficient design supports Energy Star 5.2 requirements, ErP 2014, and 80 PLUS® Bronze efficiency (up to 85%), while providing solid voltages and enough power to support a PCIe graphics card (6+2pin connector included).

For compact PC systems that perform beyond the ordinary, with an ideal combination of features, power, efficiency and be quiet! reliability, choose SFX Power 2 400W .
 

STRONG DUAL 12V RAIL

For a stable PCIe graphics support

The dual 12V rail design supports high stability as the CPU receives its power through an independent rail. A PCIe connector provides power for a demanding graphics card. Safety protections defend against overcurrents, over- and undervoltages, short circuits and overloads, thus keeping your valuable components safe.

400 WATTS CONTINUOUS POWER OUTPUT

Ensures a steady and reliable operation

The SFX Power 2 can deliver 400W of continuous power. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load.

80 PLUS BRONZE CERTIFICATION

Efficient operation

The 80 PLUS Bronze certification with an efficiency rating of up to 89% is convincing evidence of this PSU’s power saving operation.

All models at a glance:

Features

General data

ModelSFX Power 2 400W
Continuous power (W)400
Peak power (W)450
Form factor ATX 12VSFX 12V Version 3.3
Form factor EPS 12V-
Modular Cable management-
Topology-
Wire-free design (DC-side)-
Voltage (Vac)100 - 240
Frequency (Hz)50 - 60
Input current (A)6 / 3.5
PFCactive
Power factor at 100% load>0.97
Compliant to Intel C6/C7
Power consumption in standby (W)<0.18
Average life time (h / 25°C)100,000
Operating temperature up to (°C)50

Infographics

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Output

12V rails (multi-rail operation)2
12V single rail operation
Overclocking key-
+3.3V (A)21
+5V (A)22
+12V1 (A)17
+12V2 (A)16
+12V3 (A)-
+12V4 (A)-
+12V5 (A)-
+12V6 (A)-
-12V (A)0.5
+5Vsb (A)2.5
Max. combined power 12V (W)360
Max. combined power 3.3V + 5V (W)120
Hold-up time (ms @ 100%)>24
Power good signal100 - 500ms

Fan / Cooling technology

Fan typehigh-quality fan
+SilentWings-
Motor technology4-pole fan motor
Bearing technologySleeve
Fan size (mm)80
Max. fan speed (rpm), temperature-dependent2579
Temperature control for case fans-
dB(A) at 20% load20.7
dB(A) at 50% load20.9
dB(A) at 100% load33.9

Protection

OCP (over current protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SCP (short circuit protection)
OTP (over temperature protection)-
OPP (over power protection)

Safety certification

CE
CB
TÜV
Nemko (N)-
Semko (S)-
Fimko (FI)-
Demko (D)-
FCC-
cRUus-
cTUVus-
RCM (Australia)-
BSMI-
CU (Russia)-
CCC-

Eco / Efficiency

80 PLUS certificationBronze
Efficiency (%) at 230V, 20% load86.8
Efficiency (%) at 230V, 50% load89.3
Efficiency (%) at 230V, 100% load87.5

Environmental directives

Energy Star6.0
ErP
WEEE
RoHs

Cable management / Connectors

Multi-GPU ready-
Modular Cable management-
Fully modular-
Sleeved cables
Flat cables-
Cable length to mainboard (cm)35
Cable length to first connector (cm)35
Maximum cable length (cm)50
All-in-one cable (SATA/PATA/FDD)-
No. of cables6
ATX-Motherboard (20+4-pin)1
P8 (CPU)-
P4+4 (CPU)-
P4 (CPU)1
PCI-e 6-pin (GPU)-
PCI-e 6+2-pin (GPU)1
PATA 4-pin1
SATA 15-pin (HDD, Drives)4
FDD (Floppy)1
External fan connectors-

Casing

Dimensions without cable (L x W x D), (mm)100 x 125 x 63.5
Weight (kg)0.95
Colorblack

Accessories

Thumb screws-
Screws
Cable ties
Velcro cable ties-
Box/Bag for PSU/Cables-
User manual languagesDE, EN, FR, PL, ES
OCK slot bracket with switch / OCK jumper-
SFX-to-ATX adapter bracket-

Service

Warranty (Years)2
Express replacement service in first year-
International hotline / free of charge✓ / DE, FR

Logistics data, RRP

Article numberBN227
EAN code4260052183724
Dimensions, package (L x W x H), (mm)199x195x75
Gross weight, package (kg)1.3
Pieces per packaging unit6
Dimensions, shipping box (L x W x H), (mm)430x269x235
Gross weight, shipping box (kg)9
RRP (€)77.00

SFX POWER 2 | 400W
Article number: BN227

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