COMPACT AND SILENT ENERGY 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.
80 PLUS® Gold efficiency (up to 91.7%) for lower power consumption Strong dual 12V-rails for high stability and PCIe graphics card support Two 6+2pin PCIe connectors for powerful GPUs 300W of continuous power High-quality temperature-controlled 80mm fan for low-noise operation of max. 21.7dB(A) Sleeved or flat black cables up to 60cm long Meets the latest safety and efficiency requirements Modern safety protections reliably defend against numerous failures Standby draw less than 0.17 watts Three-year manufacturer’s warranty Product conception, design and quality control in Germany 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
Specifications
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Fan Specifications
Fan Size
80 mm
Dimensions
Length
175 mm
Width
85 mm
Height
65 mm
Weight
1.1 kg
Power Specifications
Power output 12V rails
288 W
Total power output
300 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. Motherboard Power Cable Lenght
35 cm
Max. PCIe Power Cable Length
30 cm
Power Supply
12V distribution
multi rail
Cooling
Case fan controller
Yes
Product reviews
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£64.99
(incl. VAT)
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In stock
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