Roll over image to zoom in
Bequiet Stright Power 11 Platinium 850w Modular Power Supply BN308
ر.ع.63.81
World Class Quiet and Efficiency
be quiet! Straight Power 11 Platinum 850W raises the bar for systems that demand virtually inaudible operation and outstanding efficiency.
- 80 PLUS® Platinum efficiency (up to 94%)
- 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
- Four PCIe connectors for overclocked high-end GPUs
- Japanese 105°C-rated capacitors ensure stability and reliability
- ErP and Energy Star 7.0 ready
General data
| Model | Straight Power 11 Platinum 850W |
| Continuous power (W) | 850 |
| Peak power (W) | 920 |
| Form factor | Version 2.51 |
| Form factor EPS 12V | Version 2.92 |
| Modular cable management | ✓ |
| Topology | Full bridge + 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) | 0.16 |
| Average life time (h / 25°C) | 100,000 |
| Operating temperature up to (°C) | 40 |
Output
| 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) | 22 |
| Power good signal | 100 – 150ms |
Fan / Cooling technology
| 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 | 7.7 |
| dB(A) at 50% load | 7.9 |
| dB(A) at 100% load | 22 |
Protection
| 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) | ✓ |
Safety certification
| CE | ✓ |
| CB | ✓ |
| TÜV | ✓ |
| FCC | ✓ |
| cRUus | – |
| cTUVus | ✓ |
| RCM (Australia) | ✓ |
| BSMI | ✓ |
| CU (Russia) | ✓ |
| CCC | ✓ |
Eco / Efficiency
| 80 PLUS certification | Platinum |
| Efficiency (%) at 230V, 20% load | 92 |
| Efficiency (%) at 230V, 50% load | 94 |
| Efficiency (%) at 230V, 100% load | 92.7 |
Environmental directives
| ENERGY STAR | 7.0 |
| ErP | ✓ |
| WEEE | ✓ |
| RoHS | ✓ |
Cables / Connectors
| 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 le
Additional information
Related products
 Bequiet Stright Power 11 Platinium 850w Modular Power Supply BN308ر.ع.63.81 Add to cart |
