be quiet! Pure Loop 3 LX 360mm

Liquid (360 mm)

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Type Liquid (360 mm)
Fan size 3x 120 mm
sockets LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), Socket AM4, Socket AM5, LGA 1700

be quiet! Pure Loop 3 LX 360mm is an all-in-one liquid CPU cooler with 3x 120 mm fans. Check that it supports your CPU socket and fits your cabinet. It came out in 2026.

Released: 2026-01-20

Specifications

Key specs

Type: Liquid (360 mm)
Fan size: 3x 120 mm
sockets: LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), Socket AM4, Socket AM5, LGA 1700
Released: 2026-01-20
Part number: BW031US
EAN / UPC: 4260052193396

Performance

Suitable location: Processor
Type: All-in-one liquid cooler
Fan diameter: 12 cm
Supported processor sockets: LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), Socket AM4, Socket AM5, LGA 1700
Noise level (low speed): 17.3 dB
Noise level (high speed): 36.9 dB
Maximum airflow: 61.8 cfm
Airflow: 105.1 m³/h
Maximum air pressure: 2.51 mmH2O
Pulse-width modulation (PWM) support: Yes
Bearing type: Rifle bearing
Pump connector: 4-pin
Quantity per pack: 1 pc(s)
Pump motor speed: 5500 RPM
Pump motor speed (min): 3000 RPM
Pump motor speed (max): 5500 RPM
Fan speed (max): 2100 RPM
Fan's mean time to failure (MTTF): 60000 h

Design

Product colour: Black
Radiator material: Aluminum
Base plate material: Copper
Number of fans: 3 fan(s)
Number of fan blades: 9
Illumination LED: Yes
Illumination colour: Multi
Daisy chain: Yes

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Power

Fan power consumption: 5.4 W
Fan voltage: 12 V
Fan current: 0.17 A

Weight & dimensions

Width: 120 mm
Depth: 52 mm
Height: 397 mm
Radiator width: 12 cm
Radiator depth: 39.7 cm
Radiator height: 2.7 cm
Tube length: 40 cm
Waterblock width: 9.34 cm
Waterblock depth: 4.87 cm
Waterblock height: 6.85 cm
Weight: 1.28 kg
Fan dimensions (W x D x H): 120 x 120 x 25 mm

Technical details

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

Other features

Thermal grease: Yes

Check the manufacturer's page before buying.

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About this product

DYNAMIC LIGHTING, SUPREME COOLING

Pure Loop 3 LX 360mm boasts vibrant lighting, stunning customization options and an extremely high cooling performance. The illuminated cooling block does not only feature spectacular ARGB effects but also comes with 10 lighting foils in the scope of delivery. With these, you can individually adjust the lighting to the effect you prefer.

User manual (PDF) · Datasheet (PDF)

Pure Loop 3 LX 360mm vs similar CPU coolers

	be quiet! Pure Loop 3 LX 360mm	be quiet! Light Loop IO LCD 360 mm Black	be quiet! Light Loop IO LCD 360 mm White	be quiet! Pure Loop 3 \| 360mm
Type	Liquid (360 mm)	Liquid (360 mm)	Liquid (360 mm)	Liquid (360 mm)
Fan size	3x 120 mm	3x 120 mm	3x 120 mm	3x 120 mm
sockets	LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), Socket AM4, Socket AM5, LGA 1700	LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5	LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5	LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5
Released	2026	2026	2026	2026