SILVERSTONE Strider SST-ST550-EF 550W 80+ True Rated Power Supply

Product No.

SST-ST550-EF

Model (Safety Cert.)

SST-AX0550FCWH-A

Color

Black (lead-free paint)

Max. DC Output

550W

Power Density

305W per liter

DC Output Load Range

+3.3V

18A Max / 0.1A Min / ±5% Range / ±1% Line Reg / 50mVp-p Ripple

+5V

18A Max / 1A Min / ±5% Range / ±1% Line Reg / 50mVp-p Ripple

+12V

41A Max / 2A Min / ±5% Range / ±1% Line Reg / 120mVp-p Ripple

+5VSB

2.5A Max / 0A Min / ±5% Range / ±1% Line Reg / 50mVp-p Ripple

-12V

0.4A Max / 0A Min / ±10% Range / ±1% Line Reg / 120mVp-p Ripple

Combined Power

+3.3V & +5V: 100W
+12V: 550W

Input Voltage

180 ~ 264 Vrms

Input Frequency Range

47Hz ~ 63Hz

PFC

Active PFC (PF > 0.9 at full load)

Efficiency

82% ~ 85% (at 20% ~ 100% load)

MTBF

100,000 hours

Operating Temp.

0°C ~ 40°C

Protection Features

Over Voltage Protection
Under Voltage Protection
Over Power Protection
Short Circuit Protection

Connectors

1 x 24/20-pin motherboard
1 x 8/4-pin EPS/ATX12V
2 x 8/6-pin PCIe
6 x SATA
2 x 4-pin Peripheral

Cooling System

Silent 120mm fan

Noise Level

18 dBA minimum

Certification

80 PLUS

Form Factor

ATX (PS2)

Dimensions (mm)

150 (W) × 86 (H) × 140 (D)

Dimensions (inches)

5.91" (W) × 3.39" (H) × 5.5" (D)

Weight

1.38 kg