be quiet! System Power 10 550W, 80PLUS Bronze Wired PSU, Single Rail, 45.8A +12V, Black, ATX PSU - SYSTEM POWER 10 550W
Proven reliability, quiet operation
System Power 10 550W has been built with price-conscious users in mind that do not want to dispense on reliability and quietness. Elaborated features such as a temperature-controlled fan and a remarkably low stand-by-drain underline the value System Power 10 550W offers even at entry-level.

Temperature-controlled 120mm quality fan reduces system noise
Rock-solid stability with a strong 12V-rail
Tight voltage regulation using DC-to-DC technology
Dependable operation to support powerful GPUs
Stand-by drain of less than 0.15 watts
80 PLUS® Bronze efficiency (up to 89.1%)
Attractive black flat cables
Complete suite of top safety features
5-year manufacturer’s warranty

VERY QUIET OPERATION
High-quality fan for low noise
System Power 10 550W is equipped with a temperature-controlled 120mm quality fan. It provides the low noise operation that be quiet! is famous for, offering remarkable quietness at this price-level.

HIGH PERFORMANCE FOR YOUR SYSTEM
Proven reliability for CPU and GPU
System Power 10 550W provides stable and dependable power for CPU and GPU. This ensures a steady and reliable operation even when your PC meets an unexpectedly heavy load.

80 PLUS BRONZE CERTIFICATION
Efficient operation
The 80 PLUS Bronze certification of System Power 10 550W Bronze with an efficiency rating of up to 89.1% is convincing evidence of this PSU’s power saving operation.

STRONG 12V RAIL
For a stable PCIe graphics support
System Power 10 550W provides enough power for demanding graphics cards. Safety protections defend against overcurrents, over- and undervoltages, overtemperature, short circuits and overloads, thus keeping your valuable components safe.

General data
Model: System Power 10 550W
Continuous power (W): 550
Peak power (W): No
Form factor: Version 2.52
Form factor EPS 12V: Version 2.92
Topology: DC/DC
Digitally controlled: No
Voltage (Vac): 200 - 240
Frequency (Hz): 50
Input current (A):4
Power factor at 100% load: >0.95
Modern standby: No
Power consumption in standby (W): <0.15
Average life time (h / 25°C): > 100,000
Operating temperature up to (°C): 40

Efficiency
80 PLUS certification: Bronze
Efficiency (%) at 230V, 2% load: 59.2
Efficiency (%) at 230V, 10% load: No
Efficiency (%) at 230V, 20% load: 87.4
Efficiency (%) at 230V, 50% load: 89.1
Efficiency (%) at 230V, 100% load: 85.7

Fan and cooling technology
Fan: Temperature-controlled quality fan
Fan size (mm): 120
Bearing technology: Sleeve
Motor technology: 4-pole fan motor
Max. fan speed (rpm): 1800
dB(A) at 10% load: 8.5
dB(A) at 20% load; 8.6
dB(A) at 50% load: 9.4
dB(A) at 100% load: 25.7

Output
Multi-rail operation (12V rails):1
12V single rail operation: No
Overclocking key: No
+3.3V (A): 20
+5V (A): 20
+12V1 (A): 45.83
+12V2 (A): No
+12V3 (A): No
+12V4 (A): No
+12V5 (A): No
+12V6 (A): No
-12V (A): 0.3
+5Vsb (A): 3
Max. combined power 12V (W): 550W
Max. combined power 12VHPWR (W): 0
Max. combined power 3.3V + 5V (W): 120
Hold-up time at 100% load (ms): 17
Power good signal (ms): 100 - 150

Cables and connectors
Modular cables: No
Sleeved cables: P24
Flat cables: P4+4, P4, PCIe, drives
Maximum cable length (cm): 79
Cable length to motherboard (cm): 55
No. of cables: 6
ATX-Motherboard (20+4-pin): 1
P4+4 (CPU): 1
P8 (CPU): No
P4 (CPU): 1
12VHPWR cables: 0
PCI-e 6+2-pin (GPU): 2
PCI-e 6-pin (GPU): No
SATA: 6
PATA: 1
FDD (Floppy): No

Protection
OTP (over temperature protection): Yes
OCP (over current protection): Yes
OPP (over power protection): Yes
SCP (short circuit protection): Yes
OVP (over Voltage protection): Yes
UVP (under Voltage protection): Yes
SIP (Surge & Inrush Protection): Yes

Safety certification
BSMI: No
CB: Yes
CCC: No
CE: Yes
cRUus: No
cTUVus: No
CU: Yes
FCC: No
RCM: No
TUV: Yes
UKCA: Yes

Casing
Dimensions without cable (L x W x H), (mm)150 x 140 x 86
Weight (kg): 1.83
Color: Black