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Description

The Silverstone ST45SF power supply, in SFX format with a black finish, delivers 450 W of total power with 85% efficiency and active power factor correction. Its outputs stand out with 37.5 A on the +12 V rail, featuring overcurrent, overvoltage, short-circuit, and undervoltage protection for enhanced safety. Its main connector is a 20+4 pin type with a 30 cm cable, designed to integrate into compact systems without hassle.

Specifications

Power


  • Total power: 450 W
  • AC input voltage: 90 - 264 V
  • AC input frequency: 47 - 63 Hz
  • Power factor: 0.9
  • Power Factor Correction (PFC) type: Active
  • Combined power (+3.3V): 110 W
  • Combined power (+12V): 450 W
  • Combined power (+5V): 110 W
  • Combined power (-12V): 3.6 W
  • Combined power (+5Vsb): 15 W
  • Max output current (+3.3V): 20 A
  • Max output current (+12V): 37.5 A
  • Max output current (+5V): 20 A
  • Max output current (-12V): 0.3 A
  • Max output current (+5Vsb): 3 A
  • Efficiency: 85%
  • Power protection features: Over current, Over power, Over voltage, Short circuit, Under voltage

Ports & interfaces


  • Motherboard power connector: 20+4 pin ATX
  • Motherboard power cable length: 30 cm
  • Number of SATA power connectors: 3
  • SATA power cable length: 220, 100, 300 mm
  • Peripheral (Molex) power connectors (4-pin): 2
  • Peripheral (Molex) power cable length: 200, 300 mm
  • EPS power connector (8-pin): Yes
  • PCI Express power connectors (6-pin): 1
  • PCI Express power connectors (6+2 pin): 1
  • PCI Express power cable length: 40 cm
  • Floppy drive power connector: 1
  • Floppy disk drive connector: Yes
  • Floppy disk drive cable length: 30 cm
  • Cabling type: Non-Modular

Performance


  • 80 PLUS certification: 80 PLUS Bronze
  • Purpose: PC
  • Power supply unit (PSU) form factor: SFX
  • ATX version: 2.4
  • Noise level: 18 dB
  • Mean time between failures (MTBF): 100000 h

Design


  • Product colour: Black
  • Cooling type: Active
  • Fan diameter: 9.2 cm
  • Number of fans: 1 fan(s)
  • Fan location: Top
  • On/off switch: Yes

Operational conditions


  • Operating temperature (T-T): 0 - 40 °C

Weight & dimensions


  • Width: 125 mm
  • Depth: 100 mm
  • Height: 63.5 mm
  • Weight: 1.1 kg

Logistics data


  • Harmonized System (HS) code: 84733020

Other features


  • Rise time: 20 ms

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The best prices.

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100% guaranteed shipping.

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Returns up to 30 days.

Returns up to 30 days.

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Over 10 years of experience.

Over 10 years of experience.

A long track record backs us, with great experience in the industry.