be quiet! · Computer Cooling System

be quiet! Silent Loop 3 420 mm price in United Kingdom

MPN BW026EAN 4260052192559

Noise19.4 dB
TypeAll-in-one liquid cooler
Weight2.01 kg
ColourBlack

Lowest price incl. delivery

£98.74

at PCHUB.UKFree deliveryIn stock

3 stores
Range £98.74 – £118.99
Save up to £20.25 vs. the dearest store
3 in stock
2 with free delivery
Checked 5 Oct 2026, 18:25 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 5 Oct 2026, 18:25 UTC

Lowest price£98.74at PCHUB.UK · free shippingGo to PCHUB.UK

Price range across 3 offers

Save up to £20.25 (17%) by choosing the cheapest store

3 of 3 stores in stock
2 with free shipping
Checked 5 Oct 2026, 18:25 UTC

PCHUB.UKLowest pricebe quiet! Silent Loop 3 420 mm Processor All-in-one liquid cooler 14 c In stockFree shipping
£98.74incl. free shipping
Go to store : PCHUB.UK (opens in a new tab)
Back to the Officebe quiet! Silent Loop 3 420mm ARGB Liquid CPU Cooler - Black In stockFree shipping
£118.99incl. free shipping+£20.25 (21%) vs lowest
Go to store : Back to the Office (opens in a new tab)
PcNova.co.ukbe quiet! Silent Loop 3 420 mm Processor All-in-one liquid cooler 14 c In stockShipping not stated
£98.08item 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 5 Oct 2026, 18:25 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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Product details

Identification

Brand: be quiet!
Product: Silent Loop 3 420 mm
Full name: be quiet! Silent Loop 3 420 mm Processor All-in-one liquid cooler 14 cm Black 1 pc(s)
Manufacturer part number: BW026
EAN / UPC: 4260052192559
Category: Computer Cooling System

62 specifications from the manufacturer's data sheet

Performance

Suitable location	Processor
Type	All-in-one liquid cooler
Fan diameter	14 cm
Supported processor sockets	LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5, Socket TR4, Socket TR5
Noise level (low speed)	19.4 dB
Noise level (high speed)	34.3 dB
Maximum airflow	78.4 cfm
Airflow	133.2 m³/h
Maximum air pressure	2.36 mmH2O
Pulse-width modulation (PWM) support	Yes
Bearing type	Fluid Dynamic Bearing (FDB)
Pump connector	4-pin
Quantity per pack	1 pc(s)
Fan speed (max)	1900 RPM
Pump motor speed	3500 RPM
Pump motor speed (max)	3500 RPM
Pump motor speed (min)	1700 RPM
Fan's mean time to failure (MTTF)	300000 h

Design

Product colour	Black
Radiator material	Aluminum
Base plate material	Copper
Number of fans	3 fan(s)
Illumination LED	Yes
Illumination colour	Multi
LED connector type	3-pin
Fan connector	4-pin
Display type	Not applicable

Power

Fan power consumption	3.6 W
Fan current	0.3 A
Fan voltage	12 V
LED voltage	5 V

Weight & dimensions

Width	140 mm
Depth	52 mm
Height	475 mm
Radiator width	14 cm
Radiator depth	45.7 cm
Radiator height	2.7 cm
Tube length	40 cm
Waterblock width	8 cm
Waterblock depth	5.6 cm
Waterblock height	9.35 cm
Weight	2.01 kg
Fan dimensions (W x D x H)	120 x 120 x 25 mm
Cable length	0.5 m
Package width	204 mm
Package depth	499 mm
Package height	154 mm
Package weight	3.3 kg

Technical details

Compliance certificates	CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE
Sustainability certificates	Triman
Warranty period	3 year(s)

Packaging content

Package type	Box
Mounting kit	Yes
Screws included	Yes
Manual	Yes
CPU bracket(s)	Yes

Other features

Thermal grease	Yes

Logistics data

Products per shipping (inner) case	4 pc(s)
Shipping (inner) case width	42.4 cm
Shipping (inner) case length	51.1 cm
Shipping (inner) case height	33.6 cm
Shipping (inner) case gross weight	14.8 kg