SYSTEM POWER B9

300W (bulk)

SYSTEM POWER B9

300W (bulk)

Proven Reliability and Good Efficiency

be quiet! System Power B9 300W (bulk) is specially designed to suit the needs of price-conscious PC builders.

  • Production-optimized bulk packaging
  • Rock-solid stability with 2 strong 12V-rails
  • Temperature-controlled 120mm fan reduces system noise
  • One PCI express connector for GPU card support
  • Stand-by drain of less than 0.13 watts
  • 80 PLUS® Bronze efficiency (up to 89%) 
  • Complete suite of top safety features
  • Meets latest Intel® C6/C7, ErP and Energy Star 6.1 guidelines
  • 3-year manufacturer’s warranty
  • Product conception, design and quality control in Germany
No YouTube
Functionality cookies are not set.
You cannot proceed without functionality cookies. Please activate them. More information.

OPTIMIZED FOR PROFESSIONAL SYSTEM INTEGRATORS

Cost effective and efficient handling

System Power B9 was designed to meet the needs of system integrators. The PSU is very cost-efficient and comes in production-optimized bulk packaging. This ensures quick and easy handling to streamline the production of pre-configured PCs.

VERY QUIET OPERATION

Achieved by high-quality fan

System Power B9 300W is equipped with a temperature-controlled 120mm fan. This ensures its operation produces the low noise that be quiet! is famous for.

HIGH PERFORMANCE FOR YOUR SYSTEM

Proven reliability for CPU and GPU

System Power B9 300W provides stable power for the CPU and GPU. It is equipped with 2 independent 12V-rails.

COMPREHENSIVE PROTECTION

A complete range of safety features

Top component protection with a full suite of safety functions, including OCP, OVP, OPP, OTP UVP and SCP, which provide the ultimate in secure operation.

“System Power is the entry to silent PC building, which still offers up to 80PLUS® Gold efficiency. With System Power we offer you everything you need for a reliable and cost-efficient operation.” 

Christian Berndt, Technical Specialist

All models at a glance:

Product Series

General data

ModelSystem Power B9 300W (bulk)
Continuous power (W)300
Peak power (W)-
Form factorVersion 2.4
Form factor EPS 12V-
TopologyDouble forward
Digitally controlled-
Voltage (Vac)200 - 240
Frequency (Hz)50
Input current (A)2.5
Power factor at 100% load>0.95
Modern standby-
Power consumption in standby (W)<0.13
Average life time (h / 25°C)100,000
Operating temperature up to (°C)40

Infographics

open all / close all

Efficiency

80 PLUS certificationStandard (230V EU internal)
Efficiency (%) at 230V, 2% load-
Efficiency (%) at 230V, 10% load77.4
Efficiency (%) at 230V, 20% load84
Efficiency (%) at 230V, 50% load87
Efficiency (%) at 230V, 100% load85

Fan and cooling technology

FanHigh quality fan
Fan size (mm)120
Bearing technologySleeve
Motor technology4-pole fan motor
Max. fan speed (rpm)1650
dB(A) at 10% load11.5
dB(A) at 20% load11.6
dB(A) at 50% load12.1
dB(A) at 100% load23.1

Output

Multi-rail operation (12V rails)2
12V single rail operation-
Overclocking key-
+3.3V (A)17
+5V (A)15
+12V1 (A)18
+12V2 (A)14
+12V3 (A)-
+12V4 (A)-
+12V5 (A)-
+12V6 (A)-
-12V (A)0.3
+5Vsb (A)2.5
Max. combined power 12V (W)276
Max. combined power 12VHPWR (W)-
Max. combined power 3.3V + 5V (W)103
Hold-up time at 100% load (ms)17 (@75%)
Hold-up time at 80% load (ms)-
Power good signal (ms)100 - 500

Cables and connectors

Modular cables-
Sleeved cables-
Flat cables-
Maximum cable length (cm)85
Cable length to motherboard (cm)45
No. of cables4
ATX-Motherboard (20+4-pin)1 (24-pin)
P4+4 (CPU)-
P8 (CPU)-
P4 (CPU)1
12VHPWR cables-
PCI-e 6+2-pin (GPU)-
PCI-e 6-pin (GPU)-
SATA4
PATA2
FDD (Floppy)-

Protection

OTP (over temperature protection)
OCP (over current protection)
OPP (over power protection)
SCP (short circuit protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SIP (Surge & Inrush Protection)

Safety certification

BSMI-
CB
CCC-
CE
cRUus-
cTUVus-
CU
FCC-
RCM
TÜV
UKCA-

Environmental directives

Energy Star6.1
ErP
WEEE
RoHS
Triman-

Scope of delivery

Thumb screws-
Screws-
Cable ties-
Velcro cable ties-
User manual languages-
OCK slot bracket with switch / OCK jumper-
SFX-to-ATX adapter bracket-

Casing

Dimensions without cable (L x W x H), (mm)140 x 150 x 86
Weight (kg)1.52
Color-

Service

Warranty (Years)3
Express replacement service in first year-
International hotline / free of charge✓ / DE, FR

Logistics data and RRP

Article numberBN206
EAN code4260052185988
Dimensions, package (L x W x H), (mm)-
Gross weight, package (kg)-
Pieces per packaging unit10
Dimensions, shipping box (L x W x H), (mm)195 x 525 x 545
Gross weight, shipping box (kg)17.5
RRP (€)-

SYSTEM POWER B9 | 300W (bulk)
Article number: BN206

Documents

Images

Video