be quiet! SFX POWER 3 450W power supply unit 20+4 pin ATX Black
be quiet! SFX POWER 3 450W, 450 W, 100 - 240 V, 500 W, 50 - 60 Hz, 6/2.5 A, 6 A
| Date | Price |
|---|---|
| 22 March 2026 | £71.99 |
| 26 March 2026 | £70.99 |
| 27 March 2026 | £71.99 |
| 2 May 2026 | £70.99 |
| 8 May 2026 | £71.99 |
| 13 May 2026 | £70.99 |
| 14 May 2026 | £71.99 |
| 25 May 2026 | £70.99 |
| 28 May 2026 | £71.99 |
| 28 May 2026 | £71.99 |
| 29 May 2026 | £71.99 |
| 2 June 2026 | £71.99 |
| 3 June 2026 | £70.99 |
| 7 June 2026 | £70.99 |
| 10 June 2026 | £70.99 |
| 10 June 2026 | £71.99 |
| 10 June 2026 | £71.99 |
| 11 June 2026 | £70.99 |
| 13 June 2026 | £70.99 |
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Product Information
be quiet! SFX POWER 3 450W. Total power: 450 W, AC input voltage: 100 - 240 V, Peak power: 500 W. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 35 cm, SATA power cable length: 300,450,600 mm. Purpose: PC, Power supply unit (PSU) form factor: SFX, 80 PLUS certification: 80 PLUS Bronze. Product colour: Black, Cooling type: Active, Fan diameter: 8 cm. Compliance certificates: RoHS, WEEE
Product
- Name
- be quiet! SFX POWER 3 450W power supply unit 20+4 pin ATX Black
- Category
- Power Supply Units
- Brand
- be quiet!
Power
- Total power
- 450 W
- AC input voltage
- 100 - 240 V
- Peak power
- 500 W
- AC input frequency
- 50 - 60 Hz
- Input current
- 6/2.5 A
- Maximum input current (@110V)
- 6 A
- Maximum input current (@220V)
- 2.5 A
- Power factor
- 0.98
- Power Factor Correction (PFC) type
- Active
- Combined power (+3.3V)
- 85 W
- Combined power (+12V)
- 450 W
- Combined power (+5V)
- 85 W
- Max output current (+3.3V)
- 16 A
- Max output current (+12V1)
- 37.5 A
- Max output current (+5V)
- 16 A
- Max output current (-12V)
- 0.3 A
- Max output current (+5Vsb)
- 2.5 A
- Hold time
- 21 ms
- Efficiency
- 85.9%
- Power protection features
- Over current, Over power, Over voltage, Short circuit, Under voltage
Weight & dimensions
- Width
- 125 mm
- Depth
- 100 mm
- Height
- 64 mm
- Weight
- 890 g
Ports & interfaces
- Motherboard power connector
- 20+4 pin ATX
- Peripheral (Molex) power connectors (4-pin)
- 2
- Motherboard power cable length
- 35 cm
- Number of SATA power connectors
- 3
- SATA power cable length
- 300,450,600 mm
- Peripheral (Molex) power cable length
- 300,450 mm
- EPS power connector (4+4 pin)
- Yes
- PCI Express power connectors (6+2 pin)
- 2
- PCI Express power cable length
- 55 cm
- Floppy drive power connector
- 1
- Floppy disk drive cable length
- 60 cm
- Cabling type
- Non-Modular
Packaging data
- Package width
- 197 mm
- Package depth
- 75 mm
- Package height
- 207 mm
- Package weight
- 1.24 kg
- Package type
- Box
Performance
- Purpose
- PC
- Power supply unit (PSU) form factor
- SFX
- 80 PLUS certification
- 80 PLUS Bronze
- ATX version
- 3.42
- EPS version
- 2.92
- Noise level
- 33.8 dB
- Bearing technology
- Rifle
- Mean time between failures (MTBF)
- 100000 h
Design
- Product colour
- Black
- Cooling type
- Active
- Fan diameter
- 8 cm
- Number of fans
- 1 fan(s)
- On/off switch
- Yes
Logistics data
- Shipping (inner) case length
- 45.7 cm
- Shipping (inner) case width
- 26.5 cm
- Shipping (inner) case height
- 23.3 cm
- Products per shipping (inner) case
- 6 pc(s)
- Shipping (inner) case gross weight
- 8.19 kg
- Harmonized System (HS) code
- 84733020
Technical details
- Sustainability certificates
- ENERGY STAR, ErP
- Sustainability compliance
- Yes
Certificates
- Compliance certificates
- RoHS, WEEE
Safety regulation & standards
- Safety
- CE, CB, TÜV, CU
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