be quiet! Pure Power 12 M 850W

General data
Model    Pure Power 12 M 850W
Continuous power (W)    850
Peak power (W)    900
Form factor    Version 3.0
Form factor EPS 12V    Version 2.92
Topology    LLC + SR + DC/DC
Digitally controlled    -
Voltage (Vac)    100 - 240
Frequency (Hz)    50 - 60
Input current (A)    12 / 6
Power factor at 100% load    >0.98
Modern standby    ✓
Power consumption in standby (W)    <0.1
Average life time (h / 25°C)    >100,000
Operating temperature up to (°C)    40

Efficiency
80 PLUS certification    Gold
Efficiency (%) at 230V, 2% load    73.8
Efficiency (%) at 230V, 10% load    87.1
Efficiency (%) at 230V, 20% load    91.7
Efficiency (%) at 230V, 50% load    93.2
Efficiency (%) at 230V, 100% load    91.2
Fan and cooling technology
Fan    Silence-optimized be quiet! fan
Fan size (mm)    120
Bearing technology    Rifle
Motor technology    4-pole fan motor
Max. fan speed (rpm)    2000
dB(A) at 10% load    9.3
dB(A) at 20% load    9.4
dB(A) at 50% load    9.5
dB(A) at 100% load    25.7
Output
Multi-rail operation (12V rails)    2
12V single rail operation    -
Overclocking key    -
+3.3V (A)    22
+5V (A)    22
+12V1 (A)    40
+12V2 (A)    36
+12V3 (A)    -
+12V4 (A)    -
+12V5 (A)    -
+12V6 (A)    -
-12V (A)    0.3
+5Vsb (A)    3
Max. combined power 12V (W)    850
Max. combined power 3.3V + 5V (W)    120
Hold-up time at 100% load (ms)    20.6
Power good signal (ms)    100 - 150
Cables and connectors
Modular cables    ✓
Sleeved cables    20+4 pin
Flat cables    P4+4, P8, PCIe, drives
Maximum cable length (cm)    95
Cable length to motherboard (cm)    55
No. of cables    8
ATX-Motherboard (20+4-pin)    1
P4+4 (CPU)    1
P8 (CPU)    1
P4 (CPU)    -
12VHPWR cable / W    1 / 600
PCI-e 6+2-pin (GPU)    4
PCI-e 6-pin (GPU)    -
SATA    6
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    DE, EN, ES, FR, PL, RU
OCK slot bracket with switch / OCK jumper    -
SFX-to-ATX adapter bracket    -
Casing
Dimensions without cable (L x W x D), (mm)    160 x 150 x 86
Weight (kg)    1.85
Color    Black
Service
Warranty (Years)    10
Express replacement service in first year    -
International hotline / free of charge    ✓ / DE, FR