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