SilverStone power supply series ST75EF can deliver exceptionally high efficiency with greater than 80% within 20% to 100% loading and its 750W continuous output has dual +12V rails with 60A combined output, moreover, its quad PCI-E 6 pin and single PCI-E 8 pin connectors can support up to the needs of highest graphic cards on the market.
SilverStone is well known for their extremely stylish cases and enclosures. Their power supplies are also considered to be high quality and very reliable. Today, we are going to take another look at the Element series of power supplies. The ST75EF, has the same ‘ST’ in the beginning of the model number as the Strider series, so it may be a little confusing. The Element series offers a multitude of wattages ranging from 400 watts to 850 watts. We are going to be taking a look at the 750 Watt version. This power supply is 80Plus Bronze certified and features a 3 year warranty.
For enthusiasts, the compact size (160mm) of ST75EF is another advantage for easy integration for any sizes of chassis and it is ready to deliver in any high powered environment for serious work or play.


Silverstone ST75EF special feature

  • 750W continuous power output
  • Class-leading Dual +12V rail(s) with 60A
  • High efficiency with 82%~85% at 20% – 100% loading
  • Support single PCI-E 8pin and Quad PCI-E 6pin connectors
  • Silent running 135mm Fan with 19dBA
  • Support ATX 12V 2.3 & EPS 12V
Model No.
SST-ST75EF
Max. DC Output
750W
Load Range
3.3V +5V +12V1 +12V2 +5VSB -12V
Max.(Amps)
 25A 30A 25A 35A 3.0A 0.8A
Peak (Amps)
 / / / / / /
Min.(Amps)
 1.0A 1.0A 1.0A 1.0A 0.1A 0A
Range (%)
 ±5 % ±5 % ±5 % ±5 % ±5 % ±10 %
Line Reg.(%)
 ±1 % ±1 % ±1 % ±1 % ±1 % ±1 %
Ripple(mVp-p)
 50mV 50mV 120mV 120mV 50mV 120mV
combined +3.3, +5V
180W
combined +12V
720W(60A)
Input Voltage
103V~264V
Input Frequency Range
50Hz ~ 60Hz
PFC
Active PFC（PF>0.95 at Full Load）
Efficiency
82%~85% at 20%~100% loading
MTBF
100,000 hours at 25℃（at Full Load）
Operating temperature
5°C ~ 50°C
Protection
Over Current Protection

Over Power Protection

Over Voltage Protection

Short Circuit Protection

No Load Protection
Connectors
1 x 24 / 20-Pin Motherboard connector （550mm）

1 x 8 / 4-Pin EPS / ATX 12V connector （550mm）

4 x 6-Pin PCIE connector （550mm / 150mm）

1 x 8-Pin PCIE connector （550mm）

6 x SATA connector （500mm / 250mm / 250mm）

6 x 4-Pin Peripheral connector （500mm / 250mm / 250mm）
2 x 4-Pin Floppy connector （500mm / 250mm / 250mm / 150mm）
Color
Black （Lead-Free Paint）
Cooling System
Silent 135mm fan
Noise Level
19dBA – 34dBA
Dimension
150 mm (W) x 86 mm (H) x 160 mm (D)
Weight
2.6 kg
Certification
80 PLUS BRONZE

ST75EF SilverStone 750W photos