Article number: BN240

SYSTEM POWER 8

400W

Proven Reliability and Good Efficiency

be quiet! System Power 8 400W 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 8 is certified 80PLUS® efficient and supports multiple GPUs. It meets the latest Intel C6/C7, ErP and Energy Star guidelines and comes with a full suite of essential safety features.

System Power 8‘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.
 

  • 400W of continuous power and two 12V-rails ensure rock-solid voltage stability for powerful multi-GPU systems
  • 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
  • Attractively sleeved cables simplify component installation, increase airflow and improve cooling
  • 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
  • High-quality sleeved cables simplify component installation, increase airflow and improve cooling
  • Two PCI express connectors for multi-GPU system configurations
  • 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 0.13 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
  • 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 8 | 400W
Continuous power (W) 400
Peak power (W) -
Form factor ATX 12V Version 2.4
Form factor EPS 12V -
Modular cable management -
Topology -
Voltage (Vac) 200 - 240
Frequency (Hz) 50
Input current (A) 4
PFC active
Power factor at 100% load >0.98
Compliant to Intel C6/C7
Power consumption in standby (W) 0.13
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) 24
+5V (A) 15
+12V1 (A) 22
+12V2 (A) 18
+12V3 (A) -
+12V4 (A) -
+12V5 (A) -
+12V6 (A) -
-12V (A) 0.3
+5Vsb (A) 3
Max. combined power 12V (W) 384
Max. combined power 3.3V + 5V (W) 103
Hold-up time (ms @ 100%) 17ms (@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 1,800
Temperature control for case fans -
dB(A) at 20% load 13.3
dB(A) at 50% load 14
dB(A) at 100% load 25.1

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 86
Efficiency (%) at 230V, 50% load 87
Efficiency (%) at 230V, 100% load 83

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) 35
Maximum cable length (cm) 91
All-in-one cable (SATA/PATA/FDD) -
No. of cables 5
ATX-Motherboard (20+4-pin) 1
P8 (CPU) -
P4+4 (CPU) 1
P4 (CPU) -
PCI-E 6-pin (GPU) -
PCI-E 6+2-pin (GPU) 2
PATA 4 pin 2
SATA 15-pin (HDD, Drives) 5
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) 1.75
Color black

Accessories

Thumb screws -
Screws
Cable ties -
Velcro cable ties -
AC power cord (mm) 1.500
Box/Bag for PSU/Cables -
User manual languages EN, DE, FR, PL, ES, RU
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 BN240
EAN code 4260052184356
Dimensions, package (L x W x H), (mm) 195x97x268
Gross weight, package (kg) 2.10
Pieces per packaging unit 6
Dimensions, shipping box (L x W x H), (mm) 556 x 311 x 215
Gross weight, shipping box (kg) 12.6
RRP (€) 49.90

SYSTEM POWER 8 | 400W
Article number: BN240

Images

Video