be quiet! · Power Supply Unit

be quiet! TFX Power 3 300W Gold price in United Kingdom

MPN BP910UKMPN BP910MPN BN323EAN 4260052194089EAN 4260052188293

Noise21.7 dB
Weight1.1 kg
ColourBlack
Total power300 W

Lowest price incl. delivery

£53.57

at PCHUB.UKFree deliveryIn stock

3 stores
Range £53.57 – £69.99
Save up to £16.42 vs. the dearest store
3 in stock
2 with free delivery
Checked 6 Oct 2026, 17:41 UTC

Ad · prices and stock as last reported by the store; the store's checkout is what counts.

Full specifications and side-by-side comparison

Prices in United Kingdom

3 stores · prices in GBP · updated 6 Oct 2026, 17:41 UTC

Lowest price£53.57at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 5 offers

Save up to £16.42 (23%) by choosing the cheapest store

3 of 3 stores in stock
2 with free shipping
Checked 6 Oct 2026, 17:41 UTC

PCHUB.UKLowest pricebe quiet! TFX POWER 3 300W Gold power supply unit 20+4 pin ATX Black In stockFree shipping
£53.57incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the Officebe quiet! TFX Power 3 300W Gold power supply unit 20+4 pin ATX Black In stockFree shipping
£60.99incl. free shipping+£7.42 (14%) vs lowest
Go to store : Back to the Office (opens in a new tab)
Back to the Officebe quiet! TFX Power 3 300W Gold power supply unit 20+4 pin ATX Black In stockFree shipping
£68.99incl. free shipping+£15.42 (29%) vs lowest
Go to store : Back to the Office (opens in a new tab)
Back to the Officebe quiet! TFX POWER 3 300W Gold power supply unit 20+4 pin ATX Black In stockFree shipping
£69.99incl. free shipping+£16.42 (31%) vs lowest
Go to store : Back to the Office (opens in a new tab)
PcNova.co.ukbe quiet! TFX POWER 3 300W Gold power supply unit 20+4 pin ATX Black In stockShipping not stated
£53.57item price, shipping extra
Go to store : PcNova.co.uk (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 6 Oct 2026, 17:41 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Best price · PCHUB.UK£53.57

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Product details

Identification

Brand: be quiet!
Product: TFX Power 3 300W Gold
Full name: be quiet! TFX Power 3 300W Gold power supply unit 20+4 pin ATX Black
Manufacturer part number: BP910UK, BP910, BN323
EAN / UPC: 4260052194089, 4260052188293
Category: Power Supply Unit

71 specifications from the manufacturer's data sheet

Power

Total power	300 W
Peak power	350 W
AC input voltage	100 - 240 V
AC input frequency	50/60 Hz
Maximum input current (@110V)	4 A
Maximum input current (@220V)	2 A
Power factor	0.98
Number of +12V rail(s)	2
Combined power (+3.3V)	103 W
Combined power (+12V)	288 W
Combined power (+5V)	103 W
Max output current (+3.3V)	18 A
Max output current (+12V1)	13 A
Max output current (+12V2)	13 A
Max output current (+5V)	18 A
Max output current (-12V)	0.3 A
Max output current (+5Vsb)	3 A
Efficiency	90.6%
Hold time	29 ms
Power protection features	Over current, Over power, Over voltage, Short circuit, Surge & inrush protection (SIP), Under voltage

Ports & interfaces

Motherboard power connector	20+4 pin ATX
Motherboard power cable length	35 cm
Number of PATA power connectors	2
Number of SATA power connectors	3
SATA power cable length	300,450,600 mm
Number of SATA power cables	1
Peripheral (Molex) power connectors (4-pin)	2
Peripheral (Molex) power cable length	300,450 mm
PCI Express power connectors (6+2 pin)	1
PCI Express power cable length	40 cm
CPU P4 connector (4-pin)	1
CPU power cable length	35 cm
Floppy drive power connector	1
PCI Express connector	Yes
Cabling type	Non-Modular

Performance

Purpose	PC
Power supply unit (PSU) form factor	TFX
80 PLUS certification	80 PLUS Gold
EPS version	2.92
Noise level	21.7 dB
Bearing technology	Rifle
Mean time between failures (MTBF)	100000 h

Design

Product colour	Black
Cooling type	Active
Fan diameter	8 cm
Number of fans	1 fan(s)
Fan speed	0 - 1323 RPM
Illumination	No
On/off switch	No

Operational conditions

Operating temperature (T-T)	0 - 40 °C

Certificates

Compliance certificates	CB, CE, RoHS, TÜV mark, WEEE
Waste Electrical and Electronic Equipment (WEEE) compliance	Yes

Weight & dimensions

Width	85 mm
Depth	175 mm
Height	65 mm
Weight	1.1 kg

Packaging data

Manual	Yes
Manual languages	German, English, Spanish, French, Polish, Russian
Package width	159 mm
Package depth	82 mm
Package height	215 mm
Package weight	1.4 kg

Technical details

Sustainability certificates	ENERGY STAR, ErP, Triman

Logistics data

Products per shipping (inner) case	6 pc(s)
Shipping (inner) case height	19.5 cm
Shipping (inner) case length	47.4 cm
Shipping (inner) case net weight	9.4 kg
Shipping (inner) case width	27.5 cm
Warranty period	3 year(s)

Other features

Screws included	Yes
Cable ties included	Yes

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