ST50F-ESB

￭ High efficiency with 80 PLUS Bronze certification

￭ 24/7 continuous power output with 40℃ operating temperature

￭ Class-leading single +12V rail

￭ Multiple protection circuitry

￭ Silent running 120mm fan with 18dBA

￭ PCI-E connectors support

￭ Active PFC

￭ Dual EPS 8pin with multiple PCI-E 8 / 6pin connectors support (V2.2)

      
Remark


Designed for 80 PLUS Bronze level of efficiency to reduce wasted heat and save on electricity

Built-in 120mm fan has excellent airflow and low noise, perfect for quiet home or office use

1 x 24 / 20-Pin motherboard connector

1 x 24 / 20-Pin motherboard connector
8 / 4-Pin EPS / ATX 12V connector

8 / 4-Pin EPS / ATX 12V connector
1 x 8 / 6-Pin PCIE connector

1 x 8 / 6-Pin PCIE connector
1 x 6-Pin PCIE connector

1 x 6-Pin PCIE connector
6 x SATA connector

6 x SATA connector
3 x 4-Pin Peripheral connector

3 x 4-Pin Peripheral connector
1 x 4-Pin Floppy connector

1 x 4-Pin Floppy connector
 

SPECIFICATIONS

Model No.
SST-ST50F-ESB
Max. DC Output
500W
Power density
277W per liter
Load Range
 
 +3.3V +5V +12V +5VSB -12V
Max.(Amps)
 18A 16A 38A 2.5A 0.3A
Peak (Amps)
 / / / / /
Min.(Amps)
 0.1A 0.2A 0.5A 0A 0A
Range (%)
 ±5% ±5% ±5% ±5% ±10%
Line Reg.(%)
 ±1% ±1% ±1% ±1% ±1%
Ripple(mVp-p)
 50mV 50mV 120mV 50mV 120mV
Color
Black（Lead-Free Paint）
Combined +3.3V & +5V
110W
Combined +12V
456W
Input Voltage
90 ~ 264 Vrms
Input Frequency Range
47Hz ~ 63Hz
PFC
Active PFC（PF>0.9 at Full Load）
Efficiency
82%~85% at 20%~100% loading
MTBF
100,000 hours
Operating temperature
0°C ~ 40°C
Protection
Over current protection
Over power protection
Over voltage protection
Short circuit protection
Over temperature protection
Connectors
V2.1
1 x 24 / 20-Pin motherboard connector（500mm）
1 x 8 / 4-Pin EPS / ATX 12V connector（750mm）
1 x 8 / 6-Pin PCIE connector（500mm）
1 x 6-Pin PCIE connector（500mm / 150mm）
6 x SATA connector（"500mm / 150mm / 150mm" x 2）
3 x 4-Pin Peripheral connector （500mm / 150mm / 150mm）
1 x 4-Pin Floppy connector（500mm / 150mm / 150mm / 150mm）

V2.2
1 x 24 / 20-Pin motherboard connector（500mm）
*2 x 8 / 4-Pin EPS / ATX 12V connector（"750mm" x 2）
1 x 8 / 6-Pin PCIE connector（500mm）
1 x 6-Pin PCIE connector（500mm / 150mm）
6 x SATA connector（"500mm / 150mm / 150mm" x 2）
3 x 4-Pin Peripheral connector （500mm / 150mm / 150mm）
1 x 4-Pin Floppy connector（500mm / 150mm / 150mm / 150mm）
Cooling System
Single 120mm silent fan
Form factor
ATX
Noise Level
18 dBA minimum
Dimension
150 mm (W) x 86 mm (H) x 140 mm (D)
5.91" (W) x 3.39" (H) x 5.51" (D)
Weight
1.99kg
Certification
80 PLUS Bronze
Other
GPU Support list
Compatible with ATX12V v2.4


*Dual (CPU) EPS connectors is used in production batch with serial numbers starting 2025 or after.
● Specifications presented on this page contains most recent revisions and may differ from those printed on retail boxes or manuals.

PICTURES

Top view Top front 3/4 view Side view Side view Rear view Top rear 3/4 view Bottom view Retail package Retail package and power supply Updated retail packaging Updated retail packaging
 




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Describe Ver Size Download
ST50F-ESB manual v1.0 107 KB
ST50F-ESB High resolution photos 19,643 KB
Restricted substance declaration V1.0 139 KB
ST50F-ESB eDM (st50f-esb-edm-en.pdf)   144 KB
Multilanguage installation manual V1.0 8485KB
Warranty Information     View

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