be quiet! SFX POWER 3 300W power supply unit 20+4 pin ATX Black

300W, ATX SFX12V V3.42, EPS 2.92, 1x 80mm (1979RPM), 80 PLUS Bronze
£59.70 £49.75
Availability:
In Stock
SKU
BN320
  • Strong 12V rail with 300W of continuous power
  • 6+2 pin PCIe connector for GPU support
  • High-quality temperature-controlled 80mm fan for quiet operation of max. 29.4dB(A)
  • Sleeved or flat black cables up to 60cm
  • 80 PLUS® Bronze efficiency (up to 89.2%)
  • Meets the latest safety and efficiency requirements
  • Standby draw less than 0.1 watts
  • Product conception, design and quality control in Germany
Cooling
Fan diameter8 cm
Number of fans1 fan(s)
Cooling typeActive
Performance
On/off switchYes
Power supply unit (PSU) form factorSFX
80 PLUS certification80 PLUS Bronze
PurposePC
ATX version3.42
EPS version2.92
SafetyCE, CB, TÜV, CU
Noise level29.4 dB
Mean time between failures (MTBF)100000 h
Bearing technologyRifle
Harmonized System (HS) code84733020
Design
80 PLUS certification80 PLUS Bronze
SafetyCE, CB, TÜV, CU
Product colourBlack
Fan diameter8 cm
On/off switchYes
Number of fans1 fan(s)
Cooling typeActive
Power
Total power300 W
Maximum input current (@220V)2 A
Peak power350 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Input current5/2 A
Power factor0.98
Power Factor Correction (PFC) typeActive
Maximum input current (@110V)5 A
Combined power (+3.3V)85 W
Combined power (+12V)300 W
Combined power (+5V)85 W
Max output current (+3.3V)16 A
Max output current (+12V1)25 A
Max output current (+5V)16 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)2.5 A
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Hold time26.8 ms
Efficiency88.1%
Ports & interfaces
Motherboard power cable length35 cm
SATA power cable length300,450,600 mm
Peripheral (Molex) power cable length300,450 mm
PCI Express power cable length40 cm
CPU power cable length40 cm
Floppy disk drive cable length60 cm
Motherboard power connector20+4 pin ATX
Number of SATA power connectors3
Peripheral (Molex) power connectors (4-pin)2
PCI Express power connectors (6+2 pin)1
CPU P4 connector (4-pin)1
Floppy drive power connector1
Cabling typeNon-Modular
Technical details
Shipping (inner) case width26.5 cm
Shipping (inner) case length45.7 cm
Shipping (inner) case height23.3 cm
Products per shipping (inner) case6 pc(s)
Sustainability complianceYes
Sustainability certificatesENERGY STAR, ErP
Compliance certificatesRoHS, WEEE
Weight & dimensions
Width125 mm
Depth100 mm
Height64 mm
Weight840 g
Packaging data
Package depth75 mm
Package width197 mm
Package height207 mm
Package typeBox
Package weight1.19 kg
Certificates
80 PLUS certification80 PLUS Bronze
SafetyCE, CB, TÜV, CU
Logistics data
Harmonized System (HS) code84733020
Shipping (inner) case width26.5 cm
Shipping (inner) case length45.7 cm
Shipping (inner) case height23.3 cm
Products per shipping (inner) case6 pc(s)
Shipping (inner) case gross weight7.91 kg
Other features
Harmonized System (HS) code84733020