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  2. Power Supplies
ST45SF
  • 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
80plus-bronze cy_silver cy_standard2 567-per-liter
VERSION

 

1.Designed for 80 PLUS Bronze level of efficiency to reduce wasted heat and save on electricity.              2.Built-in 92mm fan has excellent airflow and low noise, perfect for quiet home or office use. (V3.0)
 
     
3.Built-in 80mm fan has excellent airflow and low noise, perfect for quiet home or office use. (V2.0)    
   
Product Specifications
Product No.
SST-ST45SF
Color
Black（Lead-Free Paint）
Max. DC Output
450W
Power density
567W per liter
Load Range
SST-ST45SF (V2.0)
Output+3.3V+5V+12V+5VSB-12V
Max.(Amps)21A22A36A2.5A0.5A
Peak (Amps)/////
Min.(Amps)0.1A0.2A0.6A0A0A
Range (%)±5%±5%±5%±5%±10%
Line Reg.(%)±1%±1%±1%±1%±1%
Ripple(mVp-p)70mV70mV140mV70mV140mV
Load Range
SST-ST45SF (V3.0)
Output+3.3V+5V+12V+5VSB-12V
Max.(Amps)20A20A37.5A3A0.3A
Peak (Amps)/////
Min.(Amps)0A0A0.3A0A0A
Range (%)±5%±5%±5%±5%±10%
Line Reg.(%)±1%±1%±1%±1%±1%
Ripple(mVp-p)50mV50mV120mV50mV120mV
Combined +3.3V & +5V
110W (V3.0)

120W (V2.0)
Combined +12V
450W / 37.5A (V3.0)
432W / 36A (V2.0)
Input Voltage
90 ~ 264 Vrms
Input Frequency Range
47Hz ~ 63Hz
PFC
Active PFC.（PF>0.9 at Full Load）
Efficiency
82%~85%（20% to 100% loading）
MTBF
100,000 hours
Operating temperature
0 ~ 40℃ (V3.0)
10°C ~ 50°C (V2.0)
Protection
Over current protection
Over voltage protection
Short circuit protection
Over power protection (V3.0 only)
Under voltage protection (V3.0 only)
Connectors
1 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（400mm / 150mm）
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 (V3.0)
Single 80mm silent fan (V2.0)
Noise Level
18dBA minimum
Form factor
SFX
Dimension
125 mm (W) x 63.5 mm(H) x 100 mm(D)
Weight
1.1 kg (V3.0)
1 kg (V2.0)
Other
Includes SFX to ATX bracket for use in ATX case

GPU Support list
● Specifications presented on this page contains most recent revisions and may differ from those printed on retail boxes or manuals.
File Download
Describe Version File Size Download
Describe
ST45SF manual.
Version
v2.0
File Size
280.59 KB
Download
Describe
ST45SF manual.
Version
v3.0
File Size
134.56 KB
Download
Describe
ST45SF High resolution photos
Version
File Size
8.66 MB
Download
Describe
Restricted substance declaration
Version
V1.0
File Size
375.06 KB
Download
Describe
ST45SF Product Sheet (EN-ST45SF.pdf)
Version
File Size
281.65 KB
Download
Describe
ST45SF Product Sheet (st45sf-v3_edm_en.pdf)
Version
File Size
139.97 KB
Download
Describe
Multilanguage installation manual
Version
V1.0
File Size
21.56 MB
Download
Describe
Warranty Information
Version
File Size
Download
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Product Reviews
ST45SF,ST45SF-G
2013
11
DEC
Не так давно по массовой методике были протестированы малоразмерные (форм-фактор SFX) блоки питания мощностью 300 Вт. Отмечалось, что эти устройства выделяются среди продуктов своего класса серьезными
ST45SF,ST45SF-G
2014
23
JUN
While PC component manufacturers do get things wrong sometimes, there's usually a huge amount of R&D that goes into producing not just individual products but entire product lines too.
ST45SF
2017
08
AUG
SilverStone has a large portfolio of SFX-based products, from high-end and expensive ones to mainstream models that cost significantly less.
ST45SF
2012
10
JUN
很多机箱厂家在生产小机箱时，受机内容积所限，会设计使用如FLEX ATX，SFX，TFX等小尺寸的电源。比起ATX电源，SFX尺寸的小电源安装面面积减小了近40%，
ST45SF
2017
21
APR
As you may have read in the forums, a couple of us have swapped to a new phone carrier including myself.
ST45SF
2015
10
NOV
This is not a review, but a cool build video that used the ST45SF to power a Fallout 4 bomb PC build.
ST30SF,ST45SF
2017
27
JAN
Welcome to this special double feature PSU review! On the docket today are the SilverStone ST30SF V2.0 and the ST45SF V3.0,
ST45SF
2017
26
JAN
With the vast selection of advanced ATX PSUs available today,
ST45SF
2017
16
JAN
For our second review of 2017, we've gone from a monster of a unit in last week's Rosewill 1500W model to this week's 450W Silverstone model.
ET500-B,ST1200-PT,ST45SF,ST55F-PT,SX650-G
2020
02
DEC
Several SilverStone PSUs are named to Anandtech’s best PC power supplies for holiday 2020.
ST45SFST45SF
2017
08
JAN
The power supply unit is without doubt one of the most important hardware components for gamers,
ST45SF
2013
08
JUL
A 450 watt SFX power supply? Yes they are rare, in fact there is only a few on the market and the only ones worth buying are from Silverstone.
ST45SFST45SF
2016
14
DEC
SilverStone is back today with one of its "smaller is better" computer power supplies that can be used in SFX form factor systems but also comes with a mounting bracket that makes it ATX friendly out of the box.
Q & A
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