Straight Power 11, 80 PLUS Gold 550W, Fully Modular, ATX Power Supply
WORLD CLASS QUIET AND EFFICIENCY
be quiet! Straight Power 11 550W raises the bar for systems that demand virtually inaudible operation without power quality compromises.
- Virtually inaudible SilentWings® 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
- Full cable management for maximum build flexibility
- 80PLUS® Gold efficiency (up to 93%)
- Powerful multi-GPU support with two PCI-Express connectors
- Japanese 105°C-rated capacitors ensure stability and reliability
- ErP and Energy Star 6.1 ready
- 5-year manufacturer’s warranty
General data | |
---|---|
Model | Straight Power 11 | 550W |
Continuous power (W) | 550 |
Peak power (W) | 600 |
Form factor ATX 12V | 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) | 8/4 |
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 |
Output | |
12V rails (multi-rail operation) | 4 |
12V single rail operation | - |
Overclocking key | - |
+3.3V (A) | 24 |
+5V (A) | 24 |
+12V1 (A) | 18 |
+12V2 (A) | 18 |
+12V3 (A) | 20 |
+12V4 (A) | 20 |
+12V5 (A) | - |
+12V6 (A) | - |
-12V (A) | 0.3 |
+5Vsb (A) | 3 |
Max. combined power 12V (W) | 549.6 |
Max. combined power 3.3V + 5V (W) | 130 |
Hold-up time (ms @ 100%) | 18.9 |
Fan / Cooling technology | |
Fan type | be quiet! SilentWings 3 |
+SilentWings | ✓ |
Motor technology | 6-pole fan motor |
Bearing technology | FDB |
Fan size (mm) | 135 |
Max. fan speed (rpm), temperature-dependent | 1,500 |
Temperature control for case fans | - |
dB(A) at 20% load | 9.02 |
dB(A) at 50% load | 9.46 |
dB(A) at 100% load | 17.22 |
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) | ✓ |
Safety certification | |
CE | ✓ |
CB | ✓ |
TÜV | ✓ |
Nemko (N) | - |
Semko (S) | - |
Fimko (FI) | - |
Demko (D) | - |
FCC | ✓ |
cRUus | - |
cTUVus | ✓ |
RCM (Australia) | ✓ |
BSMI | ✓ |
CU (Russia) | ✓ |
CCC | ✓ |
Eco / Efficiency | |
80PLUS certification | Gold |
Efficiency (%) at 230V, 20% load | - |
Efficiency (%) at 230V, 50% load | - |
Efficiency (%) at 230V, 100% load | - |
Environmental directives | |
ENERGY STAR | 6.1 |
ErP | ✓ |
WEEE | ✓ |
RoHS | ✓ |
Cable management / Connectors | |
Multi-GPU ready | ✓ |
Modular cable management | ✓ |
Fully modular | ✓ |
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 | 8 |
ATX-Motherboard (20+4-pin) | 1 |
P8 (CPU) | - |
P4+4 (CPU) | 1 |
P4 (CPU) | - |
PCI-E 6-pin (GPU) | - |
PCI-E 6+2-pin (GPU) | 2 |
PATA 4-pin | 3 |
SATA 15-pin (HDD, Drives) | 9 |
FDD (Floppy) | 1 |
External fan connectors | - |
Casing | |
Dimensions without cable (L x W x D), (mm) | 160 x 150 x 86 |
Weight (kg) | 1.51 |
Color | Black |
Accessories | |
Thumb screws | - |
Screws | ✓ |
Cable ties | ✓ |
Velcro cable ties | - |
Box/Bag for PSU/Cables | - |
User manual languages | EN, DE, FR, PL, ES, RU |
OCK slot bracket with switch / OCK jumper | - |
SFX-to-ATX adapter bracket | - |
Service | |
Warranty (Years) | 5 |
Express replacement service in first year | DE, FR |
International hotline / free of charge | ✓ / DE, FR |
Logistics data, RRP | |
Article number | BN617 |
EAN code | 4260052185810 |
Dimensions, package (L x W x H), (mm) | 328 x 248 x 102 |
Gross weight, package (kg) | 2.76 |
Pieces per packaging unit | 6 |
Dimensions, shipping box (L x W x H), (mm) | 651 x 282 x 346 |
Gross weight, shipping box (kg) | 17.79 |