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TFX Power 3 300W Gold: the upgraded be quiet! high-efficiency PSU for mini and media PCs with great features at a reasonable price.
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TFX Power 3 300W Gold, the advanced, high-efficiency be quiet! compact PSU gives you more for your mini or media PC. It supports the latest standards while providing solid voltages and enough power to support a PCIe graphics card. The combination of quiet operation and reliability make the TFX Power 3 300W Gold the perfect choice for PCs with TFX form factor.
Model | TFX Power 3 300W Gold |
Continuous power (W) | 300 |
Peak power (W) | 350 |
Form factor ATX 12V | TFX12V V2.52 |
Form factor EPS 12V | Version 2.92 |
Modular cable management | - |
Topology | - |
Wire-free design (DC-side) | - |
Voltage (Vac) | 100 - 240 |
Frequency (Hz) | 50 - 60 |
Input current (A) | 4A / 2A |
PFC | active |
Power factor at 100% load | >0.98 |
Compliant to Intel C6/C7 | Yes |
Power consumption in standby (W) | <0.17 |
Average life time (h / 25°C) | 100,000 |
Operating temperature up to (°C) | 40 |
12V rails (multi-rail operation) | 2 |
12V single rail operation | - |
Overclocking key | - |
+3.3V (A) | 18 |
+5V (A) | 18 |
+12V1 (A) | 13 |
+12V2 (A) | 13 |
+12V3 (A) | - |
+12V4 (A) | - |
+12V5 (A) | - |
+12V6 (A) | - |
-12V (A) | 0.3 |
+5Vsb (A) | 3 |
Max. combined power 12V (W) | 288 |
Max. combined power 3.3V + 5V (W) | 103 |
Hold-up time at 100% load (ms) | 29 (@80%) |
Power good signal | 100 - 150ms |
Fan type | High quality fan |
+SilentWings | - |
Motor technology | 4-pole fan motor |
Bearing technology | Rifle |
Fan size (mm) | 80 |
Max. fan speed (rpm), temperature-dependent | 1323 |
Temperature control for case fans | - |
dB(A) at 20% load | 9.7 |
dB(A) at 50% load | 12.4 |
dB(A) at 100% load | 21.7 |
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 |
CE | Yes |
CB | Yes |
TÜV | Yes |
FCC | - |
cRUus | - |
cTUVus | - |
RCM (Australia) | - |
BSMI | - |
CU (Russia) | Yes |
CCC | - |
80 PLUS certification | Gold |
Efficiency (%) at 230V, 20% load | 88.9 |
Efficiency (%) at 230V, 50% load | 91.7 |
Efficiency (%) at 230V, 100% load | 90.6 |
ENERGY STAR | 8.0 |
ErP | Yes |
WEEE | Yes |
RoHS | Yes |
Nvidia® SLI (RTX 3090) ready | - |
Cable management | Fixed |
Sleeved cables | Sleeved cables |
Flat cables | Yes |
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 cables | 5 |
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) | 2 |
PATA | 2 |
SATA | 3 |
FDD (Floppy) | 1 |
External fan connectors | - |
Dimensions without cable (L x W x D), (mm) | 175 x 85 x 65 |
Weight (kg) | 1.1 |
Color | Black |
Thumb screws | - |
Screws | Yes |
Cable ties | Yes |
Velcro cable ties | - |
Box/Bag for PSU/Cables | - |
User manual languages | DE, EN, ES, FR, PL, RU |
Fan Specifications | |
Fan Size | 80 mm |
Dimensions | |
Length | 175 mm |
Width | 85 mm |
Height | 65 mm |
Weight | 1.1 kg |
Power Specifications | |
Total Power Output | 300 W |
Power Output +12V rails | 288 W |
Efficiency Class | |
80PLUS Efficiency | 80 PLUS Gold |
Colour | |
Primary Colour | Black |
Internal Ports | |
CPU Power Connectors 12V ATX/EPS | 1 |
6+2 Pin PCIe Power Connectors | 2 |
SATA Power Connectors | 3 |
Cable Specifications | |
Max. CPU Power Cable Length | 60 cm |
Max. 24-Pin Motherboard Power Cable Length | 35 cm |
Max. PCIe Power Cable Length | 30 cm |
Power Supply | |
12V Distribution | multi rail |
Cooling | |
Case Fan Controller | Yes |
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