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Silverstone SFX 300W 80 Plus Bronze PSU

Price: $68.0


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  • Products Name: Silverstone SFX 300W 80 Plus Bronze PSU
  • Model#: SST-ST30SF-v2
  • Brand: SilverStone
  • Last Update:
  • Net Weight: 1.500Kg
  • Warranty: 36 Months
  • Efficiency Rate: 80+ Bronze
  • Modular: Not Modular
  • Power: Under 400W
  • Form Factor: SFX
  • Connectors: 20+4 Pin

As the standards bearer of SFF (small form factor) cases and SFX PSUs, SilverStone has released a reference power supply design for the masses in the ST30SF, a 300W SFX unit designed with high affordability and great performance. It has 80 PLUS Bronze efficiency and a silent running fan for class leading efficiency and low noise.
To enable users to easily take advantage of this excellent SFX power supply, an adapter is included to convert ST30SF to mount in any ATX case in addition to ones that fit only SFX. For SFF users, the ST30SF is an excellent, well-rounded power supply for any DIY desktop computer.

V1.0 has greater +3.3V and +5V output and higher temperature rating of 10℃ ~ 50℃ for NAS/storage focused systems or industrial PCs (IPC).
V2.0 has greater +12V output and lower noise for home desktops or gaming PCs.

Official Product Link Open Link
Max. DC Output 300W
Power density
378W per liter
Load Range
+3.3V +5V +12V1 +5VSB -12V
16A 16A 25A 3A 0.3A
0A 0A 0.3A 0A 0A
Range (%)
±5% ±5% ±5% ±5% ±10%
Line Reg.(%)
±1% ±1% ±1% ±1% ±1%
50mV 50mV 120mV 50mV 120mV
Color Black(Lead-Free Paint)
combined +3.3, +5V
90W (V2.0)
Combined +12V
300W / 25A (V2.0)
Input Voltage
Input Frequency Range
PFC Active PFC(PF>0.95 at full load)
Efficiency 82%~85%(20% to 100% loading)
MTBF 100,000 hours
Operating temperature
0°C ~ 40°C
Protection Over Current Protection
Over Voltage Protection
Short Circuit Protection
Over Power Protection (V2.0 only)
Under Voltage Protection (V2.0 only)
1 x 24 / 20-Pin motherboard connector(300mm)
1 x 8 / 4-Pin EPS / ATX 12V connector(400mm)
1 x 6-Pin PCIE connector(400mm)
3 x SATA connector (300mm / 200mm / 100mm)
2 x 4-Pin Peripheral connector (300mm / 200mm)
1 x 4-Pin Floppy connector(300mm / 200mm / 200mm)
Cooling System
Single 92mm silent fan
Form factor
Noise Level
18 dBA minimum
Dimension 125 mm (W) x 63.5 mm (H) x 100 mm (D)
4.92" (W) x 2.5" (H) x 3.94" (D)
Weight 1.0 kg (V2.0)
Certification 80 PLUS Bronz