SeaSonic Electronics S12II Series SS-520GB 520W 80 Plus Bronze Power Supply

BH #SESS520GB • MFR #SS-520GB
SeaSonic Electronics
SeaSonic Electronics S12II Series SS-520GB 520W 80 Plus Bronze Power Supply
Key Features
  • 520W Two +12V Rails
  • 120 mm Fluid Dynamic Bearing Cooling Fan
  • ATX12V / EPS12V
  • 2 x PCIe Connectors
The S12II Series SS-520GB 520W 80 Plus Bronze Power Supply from Sea Sonic Electronics is designed for basic desktop computers that require low noise and simple installation. It has a 80 Plus Bronze rating, ensuring up to 87% efficiency and power savings. The 120mm fluid dynamic bearing (FDB) fan utilizes Smart & Silent Fan Control for a balance between silence and cooling, and is built to last longer than traditional sleeve bearing fans. In addition, the unit uses high-quality 105°C Japanese aluminum electrolytic capacitors, ensuring stable operation under extreme conditions and extended life. Included are all the cables you would need for a standard system build; however, this power supply unit is not modular so you'll have to organize and hide any unused cables.
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SeaSonic Electronics SS-520GB Overview

The S12II Series SS-520GB 520W 80 Plus Bronze Power Supply from Sea Sonic Electronics is designed for basic desktop computers that require low noise and simple installation. It has a 80 Plus Bronze rating, ensuring up to 87% efficiency and power savings. The 120mm fluid dynamic bearing (FDB) fan utilizes Smart & Silent Fan Control for a balance between silence and cooling, and is built to last longer than traditional sleeve bearing fans. In addition, the unit uses high-quality 105°C Japanese aluminum electrolytic capacitors, ensuring stable operation under extreme conditions and extended life. Included are all the cables you would need for a standard system build; however, this power supply unit is not modular so you'll have to organize and hide any unused cables.

120mm double ball bearing fan with FDB (Fluid Dynamic Bearing) for reduced noise output and extended fan life
High-quality 105°C Japanese aluminum electrolytic capacitors ensure operation stability under extreme conditions and extend the PSU's life
High +12V current output capability increases utilization possibilities by ensuring that there is adequate power to support system components
Active PFC (power factor correction) up to 99% reduces line loss and power distortion
Double forward converter design for high efficiency
Smart & Silent Fan Control (S2FC) ensures an optimal balance between silence and cooling
Honeycomb shaped ventilation holes optimize airflow for improved cooling and reduced noise
All-in-one DC cabling design provides multifunctional support for PCs, IPCs, workstations, and server systems
Easy swap connectors can be unplugged easily, quickly, and safely
Full range 100 to 240 VAC input for safe use anywhere in the world

SeaSonic Electronics SS-520GB Specs

Connectivity
Total Connectors1 x 20+4-Pin Motherboard
1 x 8-Pin EPS
2 x 6+2-Pin PCIe
6 x 15-Pin SATA
4 x 4-Pin Peripheral / Molex
1 x 4-Pin Floppy
Cable DesignFlat
PCIe Connector Distances21.7" / 550 mm
25.6" / 650 mm
SATA Connector Distances15.7" / 400 mm
19.7" / 500 mm
23.6" / 600 mm
27.6" / 700 mm
Peripheral Connector Distances15.7" / 400 mm
19.7" / 500 mm
23.6" / 600 mm
27.6" / 700 mm
Floppy Connector Distances3.9" / 100 mm (Adapter)
ATX Connector Distance21.7" / 550 mm
EPS Connector Distances21.7" / 550 mm
Electrical
Total Wattage520 W
Number of +12 V Rails2
Combined Power for +12 V480 W
Max Load for +12 V20 A (Per Rail)
Combined Power for +3.3/+5 V130 W
Max Load for +3.3 V24 A
Max Load for +5 V24 A
Max Power for +5 Vsb12.5 W
Max Load for +5 Vsb2.5 A
Max Power for -12 V9.6 W
Max Load for -12 V0.8 A
AC Input Power100 to 240 VAC, 50 / 60 Hz at 9 A
General
Efficiency Rating80 PLUS Bronze
Cooling
Fan Size120 mm
Bearing TypeFluid Dynamic Bearings (FDB)
Fan Life Expectancy50,000 Hours
Environmental
Operating Temperature104°F / 40°C
Physical
Form FactorATX
ComplianceATX 12 V
ProtectionOver-Power Protection, Over-Voltage Protection, Short-Circuit Protection, Under-Voltage Protection
CertificationsBSMI, C-Tick, CB, CCC, CE, ENERGY STAR, ErP Lot 6, FCC, REACH, RoHS, TUV, WEEE, as per Manufacturer
Mean Time Between Failures (MTBF)100,000 Hours
Dimensions5.5 x 5.9 x 3.4" / 14 x 15 x 8.6 cm
Packaging Info
Package Weight5.25 lb
Box Dimensions (LxWxH)10.9 x 7.2 x 4.5"
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