be quiet! TFX POWER 3 300W Gold power supply unit 20+4 pin ATX Black
be quiet! TFX POWER 3 300W Gold, 300 W, 100 - 240 V, 350 W, 50 - 60 Hz, 4/2 A, 4 A
| Date | Price |
|---|---|
| 9 March 2026 | £63.10 |
| 11 March 2026 | £61.77 |
| 18 March 2026 | £61.72 |
| 20 March 2026 | £61.72 |
| 27 March 2026 | £61.68 |
| 30 March 2026 | £65.19 |
| 4 April 2026 | £65.35 |
| 5 April 2026 | £65.35 |
| 18 April 2026 | £67.99 |
| 21 April 2026 | £68.31 |
| 9 May 2026 | £60.96 |
| 15 May 2026 | £63.49 |
| 17 May 2026 | £63.49 |
| 19 May 2026 | £60.31 |
| 3 June 2026 | £61.40 |
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Product Information
be quiet! TFX POWER 3 300W Gold. Total power: 300 W, AC input voltage: 100 - 240 V, Peak power: 350 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: TFX, 80 PLUS certification: 80 PLUS Gold. Product colour: Black, Cooling type: Active, Fan diameter: 8 cm. Compliance certificates: RoHS, WEEE
Product
- Name
- be quiet! TFX POWER 3 300W Gold power supply unit 20+4 pin ATX Black
- Category
- Power Supply Units
- Brand
- be quiet!
Power
- Total power
- 300 W
- AC input voltage
- 100 - 240 V
- Peak power
- 350 W
- AC input frequency
- 50 - 60 Hz
- Input current
- 4/2 A
- Maximum input current (@110V)
- 4 A
- Maximum input current (@220V)
- 2 A
- Power factor
- 0.98
- Power Factor Correction (PFC) type
- Active
- Combined power (+3.3V)
- 103 W
- Combined power (+12V)
- 288 W
- Combined power (+5V)
- 103 W
- Max output current (+3.3V)
- 18 A
- Max output current (+12V1)
- 13 A
- Max output current (+12V2)
- 13 A
- Max output current (+5V)
- 18 A
- Max output current (-12V)
- 0.3 A
- Max output current (+5Vsb)
- 3 A
- Hold time
- 29 ms
- Efficiency
- 90.6%
- Power protection features
- Over current, Over power, Over voltage, Short circuit, Under voltage
Weight & dimensions
- Width
- 85 mm
- Depth
- 175 mm
- Height
- 65 mm
- Weight
- 1.1 kg
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
- PCI Express power connectors (6+2 pin)
- 1
- PCI Express power cable length
- 40 cm
- CPU P4 connector (4-pin)
- 1
- CPU power cable length
- 35 cm
- Floppy drive power connector
- 1
- Floppy disk drive cable length
- 60 cm
- Cabling type
- Non-Modular
Packaging data
- Package width
- 159 mm
- Package depth
- 80 mm
- Package height
- 215 mm
- Package weight
- 1.43 kg
- Package type
- Box
Performance
- Purpose
- PC
- Power supply unit (PSU) form factor
- TFX
- 80 PLUS certification
- 80 PLUS Gold
- ATX version
- 2.52
- EPS version
- 2.92
- Noise level
- 21.7 dB
- Mean time between failures (MTBF)
- 100000 h
Design
- Product colour
- Black
- Cooling type
- Active
- Fan diameter
- 8 cm
- Number of fans
- 1 fan(s)
Logistics data
- Shipping (inner) case length
- 47.4 cm
- Shipping (inner) case width
- 27.5 cm
- Shipping (inner) case height
- 19.5 cm
- Products per shipping (inner) case
- 6 pc(s)
- Shipping (inner) case gross weight
- 9.39 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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