be quiet! · Power Supply Unit

be quiet! Pure Power 11 400W price in United Kingdom

MPN BN292EAN 4260052186336

Noise10.5 dB
Weight1.93 kg
ColourBlack
Total power400 W

Lowest price incl. delivery

£62.99

at Back to the OfficeFree deliveryIn stock

1 store
1 in stock
1 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

1 store · prices in GBP · updated 6 Oct 2026, 17:41 UTC

Lowest price£62.99at Back to the Office · free shippingGo to Back to the Office

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
1 with free shipping
Checked 6 Oct 2026, 17:41 UTC

Back to the OfficeLowest pricebe quiet! Pure Power 11 400W power supply unit 20+4 pin ATX ATX Black In stockFree shipping
£62.99incl. free shipping
Go to store : Back to the Office (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

Price history is being collected. After 14 days of prices we will show whether today's price is good.

Best price · Back to the Office£62.99

Go to store

Product details

Identification

Brand: be quiet!
Product: Pure Power 11 400W
Full name: be quiet! Pure Power 11 400W power supply unit 20+4 pin ATX ATX Black
Manufacturer part number: BN292
EAN / UPC: 4260052186336
Category: Power Supply Unit

69 specifications from the manufacturer's data sheet

Power

Total power	400 W
Peak power	450 W
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Input current	6 A
Power factor	0.99
Power Factor Correction (PFC) type	Active
Combined power (+3.3V)	120 W
Combined power (+12V)	384 W
Combined power (+5V)	120 W
Combined power (-12V)	3.6 W
Combined power (+5Vsb)	15 W
Max output current (+3.3V)	24 A
Max output current (+12V1)	24 A
Max output current (+12V2)	20 A
Max output current (+5V)	15 A
Max output current (-12V)	0.3 A
Max output current (+5Vsb)	3 A
Efficiency	92%
Hold time	29 ms
Power protection features	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector	20+4 pin ATX
Motherboard power cable length	45 cm
Number of PATA power connectors	2
Number of SATA power connectors	5
SATA power cable length	450,600,750 mm
Peripheral (Molex) power connectors (4-pin)	0
PCI Express power connectors (6+2 pin)	2
PCI Express power cable length	50 cm
CPU power connector (4+4 pin)	Yes
CPU power cable length	6 cm
Floppy disk drive connector	Yes
PCI Express connector	Yes
Cabling type	Non-Modular

Performance

Purpose	PC
Power supply unit (PSU) form factor	ATX
80 PLUS certification	80 PLUS Gold
ATX version	2.4
Bearing technology	Rifle

Design

Product colour	Black
Cooling type	Active
Fan diameter	12 cm
Number of fans	1 fan(s)
Illumination	No

Certificates

Compliance certificates	RoHS
Certification	ErP, WEEE

Safety regulation & standards

Safety	CE, CB, TÜV, FCC, cTUVus, RCM, BSMI, CU, CCC

Weight & dimensions

Width	150 mm
Depth	150 mm
Height	86 mm
Weight	1.93 kg

Packaging data

Manual	Yes
Package width	210 mm
Package depth	240 mm
Package height	96 mm
Package weight	2.22 kg
Package type	Box

Technical details

Sustainability certificates	ENERGY STAR

Logistics data

Master (outer) case width	326 mm
Master (outer) case length	514 mm
Master (outer) case height	241 mm
Harmonized System (HS) code	84733020
Master (outer) case gross weight	14.5 kg
Products per master (outer) case	6 pc(s)

Other features

Screws included	Yes
Cable ties included	Yes
Noise level (silent mode, <30%)	10.5 dB
Noise level (quiet mode, 50%)	11.4 dB
Noise level (full-load mode, 100%)	14.9 dB

What people say

Reviews & ratings

be quiet! Pure Power 11 400W

No reviews yet

Be the first to tell others how be quiet! Pure Power 11 400W works for you.

Write the first review

Every rating countsLow ratings are never hidden, removed or pushed down.
Written by people, never paidNo incentives, no edits — only spam and abuse are removed.
Private by designOnly the name you choose is shown. No account, no e-mail, nothing tracked.