Silverstone ST30F 300W SFX 80+ PSU

Silverstone ST30F 300W SFX 80+ PSU

  • $98.99
Tax included.


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 level efficiency and a semi-fanless design that raises the efficiency level for this wattage class and allows for unprecedented low noise operation in low loading conditions. 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.


24 Month Return to Base Warranty


  • Intelligent semi-fanless operation
  • Supports standard SFX form factor and ATX via included bracket
  • 300W continuous power output at 50℃ operating temperature rated for 24/7 operation
  • 80 PLUS Bronze level efficiency (82%~85% efficiency at 20%~100% loading)
  • Class-leading single +12V rail with 22A
  • Silent running 80mm fan with 18dBA minimum
  • Single PCI-E 6pin connector support
  • Active PFC


Max. DC Output 300W
Power Density 378W per litre
Black (Lead-Free Paint)
Combined +3.3, +5V 103W
Combined +12V 264W
Input Voltage 90 - 264 Vrms
Input Frequency Range 47Hz ~ 63Hz
PFC Active PFC(PF>0.95 at 230V/50Hz, Max. load)
Efficiency 82% ~ 85%(20% to 100% loading)
Operating Temperature 10°C ~ 50°C
Protection Over current protection
Over voltage protection
Short circuit protection
Connectors 1x 24/20-Pin motherboard connector(300mm)
1x 8/4-Pin EPS/ATX 12V connector(400mm)
1x 6-Pin PCIE connector(400mm)
3x SATA connector (300mm/200mm/100mm)
2x 4-Pin Peripheral connector (300mm/200mm) 
1x 4-Pin Floppy connector(300mm/200mm/200mm)
Cooling System Single 80mm silent fan
Noise Level 0 ~ 38 dBA
Dimensions (mm) 125 (w) x 100 (d) x 63.5 (h)
Form Factor
Certification 80 PLUS Bronze

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