be quiet! SFX Power 2 400W Bronze (BN227)

Be Quiet SFX POWER 2
(BN227)

Compact and Silent Energy

The high-power SFX Power 2 400W compact PSU gives you more for your mini or media PC. Its design supports the latest technologies and efficiency standards, while providing solid voltages and enough power to support a discrete PCIe graphics card.

For compact PC systems that perform well beyond the ordinary, with a great combination of quietness, features, reliability and efficiency, choose SFX Power 2 400W.

400 watts of continuous power to ensure steady operation even when your PC meets an unexpectedly heavy load
80PLUS Bronze certification and up to 89% power conversion efficiency let you use the provided energy more efficiently and reduces your power bills
Product conception, design and quality control in Germany

Applications

Mini and media PC systems
Classic office and web browsing applications
High-power, high-efficiency upgrade in any PC chassis requiring a SFX form factor PSU

Feature Details

Energy Efficiency

80PLUS Bronze certification independently verifies the high operating-efficiency (up to 89%) of this design
Higher efficiency means cost savings, because your PC draws less power from the mains. It also means less wasted heat, less cooling required, and an overall quieter operation
Standby drain of less than 0.25 watts
Meets Energy Star 6.0 guidelines
Fulfills ErP 2014 guidelines
Zero Load design and support of Intel’s Deep Power Down C6/C7 mode

Engineering

Use of the latest technology ensures premium performance and reliability
Supports the latest Intel® and AMD CPUs
Full suite of top safety protections defends against over-currents, over- and under-voltages, short circuits, and overloads, thus safeguarding your valuable components Low-Noise Operation
An automatically temperature-regulated 80 mm high-quality fan
Assured balance between cooling performance and quiet operation

Highly Compatible and Convenient

Sleeved cable lengths up to 50cm allow for improved cooling and are perfect for mini PC cases
System features 9 connectors for flexible system builds
Connectors are compatible with older components as well as those still on the drawing board
PCIe connector supports discrete graphics card
Clearly labeled plugs enable simple installation

General

ModelSFX Power 2 400W

General Data

Continuous power (W)400
Peak power (W)450
Form factor ATX 12VSFX 12V Version 3.3
Form factor EPS 12V-
Modular cable management-
Topology-
Voltage (Vac)100 - 240
Frequency (Hz)50 - 60
Input current (A)6 / 3.5
PFC active
Power factor at 100% load>0.97
Compliant to Intel C6/C7✓
Compliant to Intel C6 mode✓
Power consumption in standby (W) 24
Fan / Cooling technology

Fan type high-quality fan
+Silent Wings-
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)-

Eco / Efficiency

80 PLUS certification Bronze
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

Modular cable management-
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-Mainboard (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
Mainboard Connector (PATA 4 pin)-
External fan connectors-

GPU compatibility

Multi-GPU ready-
NVIDIA SLI ready TM certified-
AMD CrossFireX certified-
Casing

Dimensions without cable (L x W x D), (mm)100 x 125 x 63,5
Weight incl. fixed cables (kg)0,95
Color black