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 - be quiet! SFX 3 300W Bronze Power Supply

be quiet! SFX 3 300W Bronze Power Supply

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SFX Power 3 300W, the first choice compact PSU for mini and media PCs with PCIe graphics card support.

£54.95 (incl. VAT)
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SKU CA-13N-BQ
EAN 4260052188262
MPN BN320
MANUFACTURER be quiet!

COMPACT AND SILENT ENERGY

SFX Power 3 300W, the compact PSU from be quiet! that gives you more for your mini or media PC. It provides enough power to support powerful PCIe graphics cards while offering the ideal combination of power, quietness and reliability. That makes it the perfect choice for compact PC systems that perform beyond the ordinary.

  • 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
  • Three-year manufacturer´s warranty
  • Product conception, design and quality control in Germany

General data

ModelSFX Power 3 300W
Continuous power (W)300
Peak power (W)350
Form factor ATX 12VSFX12V V3.42
Form factor EPS 12VVersion 2.92
Modular cable management-
Topology-
Wire-free design (DC-side)-
Voltage (Vac)100 - 240
Frequency (Hz)50 - 60
Input current (A)5A / 2A
PFCactive
Power factor at 100% load>0.98
Compliant to Intel C6/C7Yes
Power consumption in standby (W)<0.11
Average life time (h / 25°C)100,000
Operating temperature up to (°C)40

Output

12V rails (multi-rail operation)-
12V single rail operationYes
Overclocking key-
+3.3V (A)16
+5V (A)16
+12V1 (A)25
+12V2 (A)-
+12V3 (A)-
+12V4 (A)-
+12V5 (A)-
+12V6 (A)-
-12V (A)0.3
+5Vsb (A)2.5
Max. combined power 12V (W)300
Max. combined power 3.3V + 5V (W)85
Hold-up time at 100% load (ms)26.8 (@80%)
Power good signal100 - 150ms

Fan / Cooling technology

Fan typeHigh quality fan
+SilentWings-
Motor technology4-pole fan motor
Bearing technologyRifle
Fan size (mm)80
Max. fan speed (rpm), temperature-dependent1979
Temperature control for case fans-
dB(A) at 20% load14.4
dB(A) at 50% load14.4
dB(A) at 100% load29.4

Protection

OCP (over current protection)Yes
OVP (over voltage protection)Yes
UVP (under voltage protection)Yes
SCP (short circuit protection)Yes
OTP (over temperature protection)-
OPP (over power protection)Yes

Safety certification

CEYes
CBYes
TÜVYes
FCC-
cRUus-
cTUVus-
RCM (Australia)-
BSMI-
CU (Russia)Yes
CCC-

Eco / Efficiency

80 PLUS certificationBronze
Efficiency (%) at 230V, 20% load84.4
Efficiency (%) at 230V, 50% load89.2
Efficiency (%) at 230V, 100% load88.1

Environmental directives

ENERGY STAR8.0
ErPYes
WEEEYes
RoHSYes

Cables / Connectors

Nvidia® SLI (RTX 3090) ready-
Cable managementFixed
Sleeved cablesSleeved cables
Flat cablesYes
Cable length to mainboard (cm)35
Cable length to first connector (cm)30
Maximum cable length (cm)60
All-in-one cable (SATA/PATA/FDD)-
No. of cables5
ATX-Motherboard (20+4-pin)1
P8 (CPU)-
P4+4 (CPU)-
P4 (CPU)1
PCI-E 6-pin (GPU)-
PCI-E 6+2-pin (GPU)1
PATA2
SATA3
FDD (Floppy)1
External fan connectors-

Casing

Dimensions without cable (L x W x D), (mm)100 x 125 x 64
Weight (kg)0.84
ColorBlack

Accessories

Thumb screws-
ScrewsYes
Cable tiesYes
Velcro cable ties-
Box/Bag for PSU/Cables-
User manual languagesDE, EN, ES, FR, PL, RU
OCK slot bracket with switch / OCK jumper-
Efficiency Class
80PLUS efficiency 80 PLUS Bronze
Dimensions
Length 100 mm
Width 125 mm
Height 64 mm
Weight 0.84 kg
Power Specifications
Power output 12V rails 300 W
Total power output 300 W
Colour
Primary Colour Black
Power Supply
PSU format SFX
12V distribution single rail
Internal Ports
CPU power connectors 12V ATX/EPS 1
6+2 pin PCIe power connectors 1
SATA power connectors 3
4 pin Molex power connectors 1
Cable Specifications
max. CPU Power Cable Length 60 mm
max. Motherboard Power Cable Lenght 35 mm
max. PCIe Power Cable Length 30 mm
Cooling
Case fan controller Yes
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£54.95 (incl. VAT)
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