be quiet! Straight Power 12 850W

General data
Model    Straight Power 12 850W
Continuous power (W)    850
Peak power (W)    920
Form factor    Version 3.0
Form factor EPS 12V    Version 2.92
Topology    Full bridge + LLC + SR + DC/DC
Digitally controlled    -
Voltage (Vac)    100 - 240
Frequency (Hz)    50 - 60
Input current (A)    10 / 5
Power factor at 100% load    >0.99
Modern standby    ✓
Power consumption in standby (W)    0.17
Average life time (h / 25°C)    >100,000
Operating temperature up to (°C)    40
Infographics

Efficiency
80 PLUS certification    Platinum
Efficiency (%) at 230V, 2% load    61.0
Efficiency (%) at 230V, 10% load    89.2
Efficiency (%) at 230V, 20% load    93.1
Efficiency (%) at 230V, 50% load    94.0
Efficiency (%) at 230V, 100% load    92.3
Fan and cooling technology
Fan    Silent Wings
Fan size (mm)    135
Bearing technology    FDB
Motor technology    6-pole fan motor
Max. fan speed (rpm)    2100
dB(A) at 10% load    7.5
dB(A) at 20% load    7.5
dB(A) at 50% load    7.7
dB(A) at 100% load    22.1
Output
Multi-rail operation (12V rails)    -
12V single rail operation    ✓
Overclocking key    -
+3.3V (A)    25
+5V (A)    25
+12V1 (A)    70.8
+12V2 (A)    -
+12V3 (A)    -
+12V4 (A)    -
+12V5 (A)    -
+12V6 (A)    -
-12V (A)    0.5
+5Vsb (A)    3
Max. combined power 12V (W)    849.6
Max. combined power 12VHPWR (W)    600
Max. combined power 3.3V + 5V (W)    150
Hold-up time at 100% load (ms)    19.2
Power good signal (ms)    100 - 150
Cables and connectors
Modular cables    ✓
Sleeved cables    ✓
Flat cables    -
Maximum cable length (cm)    100
Cable length to motherboard (cm)    60
No. of cables    9
ATX-Motherboard (20+4-pin)    1
P4+4 (CPU)    1
P8 (CPU)    1
P4 (CPU)    -
12VHPWR cables    1
PCI-e 6+2-pin (GPU)    4
PCI-e 6-pin (GPU)    -
SATA    9
PATA    2
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 Star    8.0
ErP    ✓
WEEE    ✓
RoHS    ✓
Triman    ✓
Scope of delivery
Thumb screws    -
Screws    ✓
Cable ties    ✓
Velcro cable ties    -
User manual languages    CN, DE, EN, ES, FR, JP, PL, RU, TW, KR
OCK slot bracket with switch / OCK jumper    -
SFX-to-ATX adapter bracket    -
Casing
Dimensions without cable (L x W x H), (mm)    160 x 150 x 86
Weight (kg)    1.81
Color    Black
Service
Warranty (Years)    10
Express replacement service in first year    DE, FR
International hotline / free of charge    ✓ / DE, FR
Logistics data and RRP
Article number    BN337
EAN code    4260052189429
Dimensions, package (L x W x H), (mm)    328 x 248 x 102
Gross weight, package (kg)    3.52