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
