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%)
- Four PCIe connectors for overclocked high-end GPUs
- Japanese 105°C-rated capacitors ensure stability and reliability
- ErP and Energy Star 6.1 ready
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 |
Modular cable management |
✓ |
Topology |
LLC + SR + DC/DC |
Wire-free design (DC-side) |
✓ |
Voltage (Vac) |
100 – 240 |
Frequency (Hz) |
50 – 60 |
Input current (A) |
10 / 5 |
PFC |
active |
Power factor at 100% load |
>0.99 |
Compliant to Intel C6/C7 |
✓ |
Power consumption in standby (W) |
<0.12 |
Average life time (h / 25°C) |
100,000 |
Operating temperature up to (°C) |
40 |
12V rails (multi-rail operation) |
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 3.3V + 5V (W) |
150 |
Hold-up time at 100% load (ms) |
21 |
Power good signal |
100 – 500ms |
Fan type |
Silent Wings 3 |
+SilentWings |
✓ |
Motor technology |
6-pole fan motor |
Bearing technology |
FDB |
Fan size (mm) |
135 |
Max. fan speed (rpm), temperature-dependent |
2100 |
Temperature control for case fans |
– |
dB(A) at 20% load |
9.7 |
dB(A) at 50% load |
10.6 |
dB(A) at 100% load |
25 |
OCP (over current protection) |
✓ |
OVP (over voltage protection) |
✓ |
UVP (under voltage protection) |
✓ |
SCP (short circuit protection) |
✓ |
OTP (over temperature protection) |
✓ |
OPP (over power protection) |
✓ |
SIP (Surge & Inrush Protection) |
– |
CE |
✓ |
CB |
✓ |
TÜV |
✓ |
FCC |
✓ |
cRUus |
– |
cTUVus |
✓ |
RCM (Australia) |
✓ |
BSMI |
✓ |
CU (Russia) |
✓ |
CCC |
✓ |
80 PLUS certification |
Gold |
Efficiency (%) at 230V, 20% load |
92.5 |
Efficiency (%) at 230V, 50% load |
93.4 |
Efficiency (%) at 230V, 100% load |
91.2 |
ENERGY STAR |
6.1 |
ErP |
✓ |
WEEE |
✓ |
RoHS |
✓ |
Nvidia<sup>®</sup> SLI (RTX 3090) ready |
– |
Cable management |
Modular |
Sleeved cables |
Sleeved cables |
Flat cables |
– |
Cable length to mainboard (cm) |
60 |
Cable length to first connector (cm) |
55 |
Maximum cable length (cm) |
115 |
All-in-one cable (SATA/PATA/FDD) |
✓ |
No. of cables |
11 |
ATX-Motherboard (20+4-pin) |
1 |
P8 (CPU) |
1 |
P4+4 (CPU) |
1 |
P4 (CPU) |
– |
PCI-E 6-pin (GPU) |
– |
PCI-E 6+2-pin (GPU) |
4 |
PATA |
4 |
SATA |
11 |
FDD (Floppy) |
1 |
External fan connectors |
– |
Dimensions without cable (L x W x D), (mm) |
170 x 150 x 86 |
Weight (kg) |
1.8 |
Color |
Black |
Thumb screws |
– |
Screws |
✓ |
Cable ties |
✓ |
Velcro cable ties |
– |
Box/Bag for PSU/Cables |
– |
User manual languages |
DE, EN, ES, FR, PL, RU |
OCK slot bracket with switch / OCK jumper |
– |
SFX-to-ATX adapter bracket |
– |
|
|
Express replacement service in first year |
DE, FR |
International hotline / free of charge |
✓ / DE, FR |
Article number |
BN284 |
EAN code |
4260052185797 |
Dimensions, package (L x W x H), (mm) |
328 x 248 x 102 |
Gross weight, package (kg) |
3.38 |
Pieces per packaging unit |
6 |
Dimensions, shipping box (L x W x H), (mm) |
651 x 282 x 346 |
Gross weight, shipping box (kg) |
21.59 |
RRP (€) |
169.00 |
For more information refer to bequiet.com