World Class Quiet and Efficiency
be quiet! Straight Power 11 Platinum 550W raises the bar for systems that demand virtually inaudible operation and outstanding efficiency.
FEATURES
- 80 PLUS® Platinum certification with an outstanding efficiency of up to 93,8%
- Virtually inaudible operation thanks to a Silent Wings 3 135mm fan
- Big funnel-shaped fan opening of the PSU case for high airflow intake
- Wire-free on the DC side inside the PSU for enhanced cooling and longevity
- Modular cables for maximum build flexibility
- Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
- Four high-performance 12V rails
- Powerful multi-GPU support with two PCI-Express connectors
- Japanese 105°C-rated capacitors ensure stability and reliability
- Power signal stability unmatched in its class
- ErP and Energy Star 7.0 ready
- 5-year manufacturer’s warranty
- Product conception, design and quality control in Germany
SPECIFICATIONS:
General data
- Model - Straight Power 11 Platinum | 550W
- Continuous power (W) - 550
- Peak power (W) - 600
- Form factor ATX 12V - Version 2.51
- Modular cable management - Yes
- Topology - LLC + SR + DC/DC
- Wire-free design (DC-side) - Yes
- Voltage (Vac) - 100 - 240
- Frequency (Hz) - 50 - 60
- Input current (A) - 8/4
- PFC - active
- Power factor at 100% load - >0.99
- Compliant to Intel C6/C7 - Yes
- 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
- +3.3V (A) - 22
- +5V (A) - 22
- +12V1 (A) - 18
- +12V2 (A) - 18
- +12V3 (A) - 20
- +12V4 (A) - 20
- -12V (A) - 0.3
- +5Vsb (A) - 3
- Max. combined power 12V (W) - 549.6
- Max. combined power 3.3V + 5V (W) - 110
- Hold-up time (ms @ 100%) - 17,7
- Power good signal - 100-150ms
Fan / Cooling technology
- Fan type - be quiet! Silent Wings 3
- +SilentWings - Yes
- Motor technology - 6-pole fan motor
- Bearing technology - FDB
- Fan size (mm) - 135
- Max. fan speed (rpm), temperature-dependent - 1,200
- dB(A) at 20% load - 9.0
- dB(A) at 50% load - 9.6
- dB(A) at 100% load - 14.9
Protection
- OCP (over current protection) - Yes
- OVP (over voltage protection) - Yes
- UVP (under voltage protection) - Yes
- SCP (short circuit protection) - Yes
- OTP (over temperature protection) - Yes
- OPP (over power protection) - Yes
Safety certification
- CE - Yes
- CB - Yes
- TÜV - Yes
- FCC - Yes
- cTUVus - Yes
- RCM (Australia) - Yes
- BSMI - Yes
- CU (Russia) - Yes
- CCC - Yes
Eco / Efficiency
- 80 PLUS certification - Platinum
- Efficiency (%) at 230V, 20% load - 92
- Efficiency (%) at 230V, 50% load - 93,8
- Efficiency (%) at 230V, 100% load - 92,8
Environmental directives
- ENERGY STAR - 7.0
- ErP - Yes
- WEEE - Yes
- RoHS - Yes
Cable management / Connectors
- Multi-GPU ready - Yes
- Modular cable management - Yes
- Fully modular - Yes
- Sleeved cables - Yes
- Cable length to mainboard (cm) - 60
- Cable length to first connector (cm) - 55
- Maximum cable length (cm) - 115
- No. of cables - 8
- ATX-Motherboard (20+4-pin) - 1
- P4+4 (CPU) - 1
- PCI-E 6+2-pin (GPU) - 2
- PATA 4-pin - 3
- SATA 15-pin (HDD, Drives) - 9
- FDD (Floppy) - 1
Casing
- Dimensions without cable (L x W x D) - 160 x 150 x 86mm
- Weight (kg) - 1,7
- Color - Black
Accessories
- Screws - Yes
- Cable ties - Yes
- User manual languages - EN, DE, FR, PL, ES, RU
Service
- Warranty (Years) - 5
- Express replacement service in first year - DE, FR
- International hotline / free of charge - Yes
