Article number: BN257

SYSTEM POWER B8

350W BULK

Proven Reliability and Good Efficiency

be quiet! System Power B8 350W (bulk) is especially designed to suit the needs of price-conscious PC builders. It features true be quiet! reliability and quietness with two 12V-rails and rock-solid voltages. System Power B8 350W is certified 80PLUS® efficient and supports GPU cards with one PCIe connector. It meets the latest Intel C6/C7, ErP and Energy Star guidelines and comes with a full suite of essential safety features.

System Power B8‘s combination of power, quietness, features and efficiency is letting you build cost-effective systems with good performance—a key differentiator in these days of identical commodities.

  • 350W of continuous power and two 12V-rails ensure rock-solid voltage stability
  • 80PLUS® certification and up to 87% power conversion efficiency
  • Quiet operation for its class achieved by an array of careful optimizations, including the use of a quiet 120mm fan
  • Production-optimized thanks to convenient bulk packaging
  • Product conception, design and quality control in Germany

Engineering

  • Full suite of top safety protections defends against over-currents, over- and under-voltages, short circuits, overheating and overloads, thus safeguarding your valuable components
  • Two independent 12V-rails improve power signal stability
  • One PCI express connector for GPU card support
  • Compatible with 230V AC power mains

Energy Efficiency

  • 80PLUS® certification means operating efficiency for its class of up to 87%
  • High efficiency means cost savings, reduced heat wastage and overall quieter operation
  • Standby drain of less than 0.14 watts
  • Meets Energy Star 6.0 guidelines
  • Fulfills ErP 2014 guidelines
  • Zero Load design supports Intel®’s Deep Power Down C6/C7 mode

Quiet Operation

  • High-quality 120mm fan is thermally controlled to strike the best balance between proper cooling and quietness
  • Efficient PSU design produces low operating temperatures

Outstanding Service and Support

  • 3-years manufacturer's warranty
  • Production-optimized bulk packaging
  • Quick support is available via our international hotline, Mondays to Fridays from 9:00am to 5:30pm CET:
    +49 (0) 40-736 76 86 - 98

 

All models at a glance:

Features

General data

Model System Power B8 | 350W
Continuous power (W) 350
Peak power (W) -
Form factor ATX 12V Version 2.4
Form factor EPS 12V -
Modular cable management -
Topology -
Wire-free design (DC-side) -
Voltage (Vac) 200 - 240
Frequency (Hz) 50
Input current (A) 3
PFC active
Power factor at 100% load >0.98
Compliant to Intel C6/C7
Power consumption in standby (W) 0.14
Average life time (h / 25°C) 100.000
Operating temperature up to (°C) 40

Infographics

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Output

12V rails (multi-rail operation) 2
12V single rail operation -
Overclocking key -
+3.3V (A) 19
+5V (A) 15
+12V1 (A) 20
+12V2 (A) 16
+12V3 (A) -
+12V4 (A) -
+12V5 (A) -
+12V6 (A) -
-12V (A) 0.3
+5Vsb (A) 2.5
Max. combined power 12V (W) 324
Max. combined power 3.3V + 5V (W) 103
Hold-up time (ms @ 100%) 18ms (@ 75% load)

Fan / Cooling technology

Fan type high-quality fan
+SilentWings -
Motor technology 4-pole fan motor
Bearing technology Sleeve
Fan size (mm) 120
Max. fan speed (rpm), temperature-dependent 1,650
Temperature control for case fans -
dB(A) at 20% load 12.1
dB(A) at 50% load 12.3
dB(A) at 100% load 24.9

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

80PLUS certification 230V EU internal
Efficiency (%) at 230V, 20% load 84
Efficiency (%) at 230V, 50% load 87
Efficiency (%) at 230V, 100% load 84

Environmental directives

ENERGY STAR 6.0
ErP
WEEE
RoHS

Cable management / Connectors

Multi-GPU ready -
Modular cable management -
Fully modular -
Sleeved cables -
Flat cables -
Cable length to mainboard (cm) 45
Cable length to first connector (cm) 40
Maximum cable length (cm) 85
All-in-one cable (SATA/PATA/FDD) -
No. of cables 5
ATX-Motherboard (20+4-pin) 1 (24-pin)
P8 (CPU) -
P4+4 (CPU) 1
P4 (CPU) -
PCI-E 6-pin (GPU) -
PCI-E 6+2-pin (GPU) 1
PATA 4 pin 2
SATA 15-pin (HDD, Drives) 4
FDD (Floppy) -
Mainboard connector (PATA 4-pin) -
External fan connectors -

Casing

Dimensions without cable (L x W x D), (mm) 140 x 150 x 86
Weight (kg) 1.60
Color -

Accessories

Thumb screws -
Screws -
Cable ties -
Velcro cable ties -
AC power cord (mm) 1.500
Box/Bag for PSU/Cables -
User manual languages -
OCK slot bracket with switch / OCK jumper -
SFX-to-ATX adapter bracket -

Service

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

Logistics data, RRP

Range System Power
Article number BN257
EAN code 4260052184523
Dimensions, package (L x W x H), (mm) -
Gross weight, package (kg) -
Pieces per packaging unit 10
Dimensions, shipping box (L x W x H), (mm) 545 x 525 x 195
Gross weight, shipping box (kg) 18.3
RRP (€) -

SYSTEM POWER B8 | 350W bulk
Article number: BN257

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