Be Quiet
be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323
Best price incl. delivery
£64.16
Free delivery included
Prices range from £64.16 to £69.38 across 9 stores
GtechProFree delivery
9 stores
BrandBe Quiet
EAN4260052188293
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About this product
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
Specifications
Power
Hold time29 ms
Efficiency90.6 %
Peak power350 W
Total power300 W
Power factor0.98
Input current4/2 A
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Combined power (+5V)103 W
Combined power (+12V)288 W
Combined power (+3.3V)103 W
Max output current (+5V)18 A
Max output current (-12V)0.3 A
Power protection featuresOver current,Over power,Over voltage,Short circuit,Under voltage
Max output current (+12V1)13 A
Max output current (+12V2)13 A
Max output current (+3.3V)18 A
Max output current (+5Vsb)3 A
Maximum input current (@110V)4 A
Maximum input current (@220V)2 A
Power Factor Correction (PFC) typeActive
Design
Cooling typeActive
Fan diameter80 mm
Number of fans1 fan(s)
Product colourBlack
Performance
PurposePC
ATX version2.52
EPS version2.92
Noise level21.7 dB
80 PLUS certification80 PLUS Gold
Mean time between failures (MTBF)100000 h
Power supply unit (PSU) form factorTFX
Price History (Last 30 Days)
Lowest Price Ever
£59.40
ICPC UK · 29 Apr 2026
Highest Price
£71.90
Quzo · 5 May 2026
Recent Price Changes
Box.co.uk·10 May
£68.44→£66.35↓£2.09
Quzo·8 May
£71.90→£68.31↓£3.59
Quzo·5 May
£68.31→£71.90↑£3.59
Frequently Asked Questions
What is the cheapest price for be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323?
The cheapest price for be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323 is £64.16 (including delivery) from GtechPro.
How many stores sell be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323?
We compare prices from 9 different UK stores to help you find the best deal for be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323.
Does be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323 come with free delivery?
Yes! 7 of our partner stores offer free delivery on be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323.
What is the price range for be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323?
Prices for be quiet! Tfx Power 3 300W Gold Wired Power Supply - BN323 range from £64.16 to £69.38 across different retailers.
Independent price comparison·Prices updated regularly
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