Power Supply 300w System Power B9 80+ Bulk Bulk

Introduction

Proven Reliability and Good Efficiency
Specially designed by be quiet! with the price-concious PC builder in mind: System Power B9 300W (bulk) offers renowned be quiet! performance and quietness and makes it possible for you to build cost-effective and reliable systems.

- Production-optimized bulk packaging
- Rock-solid stability with two strong 12V-rails
- Temperature-controlled 120mm fan reduces system noise
- Low stand-by drain of less than 0.13 watts
- Certified 80PLUS® efficiency (up to 87%)
- Complete suite of top safety features
- Meets latest Intel® C6/C7, ErP and Energy Star 6.1 guidelines
- Supports latest Intel® and AMD™ processors
- 3-year manufacturer’s warranty
- Product conception, design and quality control in Germany

Power

Total power

300 W

AC input voltage

200 - 240 V

AC input frequency

50 Hz

Input current

2.5 A

Power factor

0.95

Power Factor Correction (PFC) type

Active

Combined power (+3.3V)

103 W

Combined power (+12V)

276 W

Combined power (+5V)

103 W

Combined power (-12V)

3.6 W

Combined power (+5Vsb)

12.5 W

Max output current (+3.3V)

17 A

Max output current (+12V1)

18 A

Max output current (+12V2)

14 A

Max output current (+5V)

15 A

Max output current (-12V)

0.3 A

Max output current (+5Vsb)

2.5 A

Hold time

17 ms

Efficiency

87%

Power protection features

Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector

20+4 pin ATX

Motherboard power cable length

45 cm

Number of SATA power connectors

4

Number of PATA power connectors

2

SATA power cable length

400 mm

CPU P4 connector (4-pin)

1

CPU power cable length

45 cm

Cabling type

Non-Modular

Performance

80 PLUS certification

80 PLUS

Purpose

PC

Power supply unit (PSU) form factor

ATX

ATX version

2.4

Silent mode

Y

Certification

CE, CB, TÜV, RCM, CU

Design

Product colour

Grey

Fan diameter

12 cm

Number of fans

1 fan(s)

Illumination

N

On/off switch

Y

Weight & dimensions

Width

150 mm

Depth

140 mm

Height

86 mm

Weight

1.52 kg

Packaging data

Cables included

AC

Technical details

Sustainability certificates

RoHS, ENERGY STAR

Other features

Noise level (silent mode, <30%)

11.6 dB

Noise level (quiet mode, 50%)

12.1 dB

Noise level (full-load mode, 100%)

23.1 dB