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
| 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 |
| 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 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 |
| 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 |
Platinum |
| Efficiency (%) at 230V, 20% load |
92 |
| Efficiency (%) at 230V, 50% load |
94 |
| Efficiency (%) at 230V, 100% load |
92.7 |
| ENERGY STAR |
7.0 |
| 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 le
Bequiet Stright Power 11 Platinium 850w Modular Power Supply BN308
[]
|
