Silverstone SFX ST45SF 450W power supply


Availability: 2 in stock

SKU: pos1714 Categories ,

■ Supports standard SFX form factor and ATX via included bracket.

■ 450W continuous power output at 50℃ temperature rated for 24/7 operation (V2.0)

■ 450W continuous power output at 40℃ temperature rated for 24/7 operation (V3.0)

■ 80 PLUS Bronze level efficiency (82%~85% efficiency at 20%~100% loading).

■ Class-leading single +12V rail with 36A

■ Silent running 80mm fan (V2.0)

■ Silent running 92mm fan (V3.0)

■ Single PCI-E 8pin and dual PCI-E 6pin connectors support.

■ Active PFC

Silverstone SFX ST45SF 450W power supply technical specs

Product NameSilverstone SFX ST45SF 450W
Model No.SST-ST45SF
Max. DC Output450W
Power density567W per liter
ColorBlack (Lead-Free Paint)
Combined +3.3V & +5V120W (V2.0)
110W (V3.0)
Combined +12V432W / 36A (V2.0)
450W / 37.5A (V3.0)
Input Voltage90 ~ 264 Vrms
Input Frequency Range47Hz ~ 63Hz
PFCActive PFC. (PF>0.9 at Full Load)
Efficiency82%~85% (20% to 100% loading)
MTBF100,000 hours
Operating temperature10°C ~ 50°C (V2.0)
0 ~ 40℃ (V3.0)
ProtectionOver current protection
Over voltage protection
Short circuit protection
Over power protection (V3.0 only)
Under voltage protection (V3.0 only)
Connectors1 x 24 / 20-Pin motherboard connector (300mm)
1 x 8 / 4-Pin EPS / ATX 12V connector (400mm)
1 x 8/6-Pin PCIE connector (400mm)
1 x 6-Pin PCIE connector (400/ 150mm)
3 x SATA connector (300/ 200/ 100mm)
2 x 4-Pin Peripheral connector (300/ 200mm)
1 x 4-Pin Floppy connector (300/ 200/ 200mm)
Cooling SystemSingle 80mm silent fan (V2.0)
Single 92mm silent fan (V3.0)
Form factorSFX
Noise Level18dBA minimum
Dimension125 mm (W) x 63.5 mm(H) x 100 mm(D)
4.92″ (W) x 2.5″ (H) x 3.94″ (D)
Weight1 kg (V2.0)
1.1 kg (V3.0)

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450 W




Non modular

SATA connectors


PCIe connectors



3 Years

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All images and descriptions are for illustrative purposes only. Visual representation of the products may not be perfectly accurate., Product specification, functions and appearance may vary by models and differ from country to country., All specifications are subject to change without notice., Product details mentioned above may contain typography or photography errors, please check with us for exact offers.


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