PSU BE QUIET 850W 80+ GOLD STRAIGHT POWER 11

PSU BE QUIET 850W 80+ GOLD STRAIGHT POWER 11

STRAIGHT POWER 11

850W Gold

WORLD CLASS QUIET AND EFFICIENCY

be quiet! Straight Power 11 850W raises the bar for systems that demand virtually inaudible operation without power quality compromises.

• Virtually inaudible Silent Wings 3 135mm fan
• Funnel-shaped fan opening of the PSU case for high airflow intake
• Wire-free inside the PSU on the DC side for enhanced cooling and longevity
• Modular cables for maximum build flexibility
• 80 PLUS^® Gold efficiency (up to 93%)
• 4 PCIe connectors for overclocked high-end GPUs
• Japanese 105°C-rated capacitors ensure stability and reliability
• ErP and Energy Star 6.1 ready

General data

Model	Straight Power 11 850W
Continuous power (W)	850
Peak power (W)	920
Form factor	Version 2.4
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)	10 / 5
Power factor at 100% load	>0.99
Modern standby	–
Power consumption in standby (W)	<0.12
Average life time (h / 25°C)	100,000
Operating temperature up to (°C)	40

Infographics

 open all / close all

Efficiency

80 PLUS certification	Gold
Efficiency (%) at 230V, 2% load	–
Efficiency (%) at 230V, 10% load	89.5
Efficiency (%) at 230V, 20% load	92.5
Efficiency (%) at 230V, 50% load	93.4
Efficiency (%) at 230V, 100% load	91.2

Fan and cooling technology

Fan	Silent Wings 3
Fan size (mm)	135
Bearing technology	FDB
Motor technology	6-pole fan motor
Max. fan speed (rpm)	2100
dB(A) at 10% load	9.6
dB(A) at 20% load	9.7
dB(A) at 50% load	10.6
dB(A) at 100% load	25

Output

Multi-rail operation (12V rails)	4
12V single rail operation	–
Overclocking key	–
+3.3V (A)	25
+5V (A)	25
+12V1 (A)	21
+12V2 (A)	21
+12V3 (A)	26
+12V4 (A)	26
+12V5 (A)	–
+12V6 (A)	–
-12V (A)	0.5
+5Vsb (A)	3
Max. combined power 12V (W)	849.6
Max. combined power 12VHPWR (W)	0
Max. combined power 3.3V + 5V (W)	150
Hold-up time at 100% load (ms)	21
Power good signal (ms)	100 – 500

Cables and connectors

Modular cables	✓
Sleeved cables	all
Flat cables	–
Maximum cable length (cm)	115
Cable length to motherboard (cm)	60
No. of cables	11
ATX-Motherboard (20+4-pin)	1
P4+4 (CPU)	1
P8 (CPU)	1
P4 (CPU)	–
12VHPWR cables	0
PCI-e 6+2-pin (GPU)	4
PCI-e 6-pin (GPU)	–
SATA	11
PATA	4
FDD (Floppy)	1

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	6.1
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 H), (mm)	170 x 150 x 86
Weight (kg)	1.8
Color	Black