be quiet! Pure Rock Slim 3

Air · 127 mm tall · cools 130 W

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Type Air
Fan size 1x 100 mm
Height 127 mm
Rated cooling 130 W
sockets LGA 1851, LGA 1700, Socket AM4, Socket AM5

be quiet! Pure Rock Slim 3 is an air CPU cooler with 1x 100 mm fans. Check that it supports your CPU socket and fits your cabinet. It came out in 2025.

Released: 2025-10-16

Specifications

Key specs

Type: Air
Fan size: 1x 100 mm
Height: 127 mm
Rated cooling: 130 W
sockets: LGA 1851, LGA 1700, Socket AM4, Socket AM5
Released: 2025-10-16
Part number: BK047
EAN / UPC: 4260052193150

Performance

Suitable location: Processor
Type: Air cooler
Fan diameter: 10 cm
Supported processor sockets: LGA 1851, LGA 1700, Socket AM4, Socket AM5
Rotational speed (max): 1700 RPM
Noise level (low speed): 12.4 dB
Noise level (high speed): 24.8 dB
Maximum airflow: 35.5 cfm
Airflow: 60.3 m³/h
Maximum air pressure: 1.35 mmH2O
Pulse-width modulation (PWM) support: Yes
Bearing type: Rifle bearing
Quantity per pack: 1 pc(s)
Fan's mean time to failure (MTTF): 80000 h

Design

Product colour: Silver
Material: Aluminium, Copper
Radiator material: Aluminum
Base plate material: Copper
Number of fans: 1 fan(s)
Number of heat pipes: 3
Fan connector: 4-pin
Display type: Not applicable

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Power

Fan power consumption: 2.88 W
Maximum current: 0.24 A
Thermal Design Power (TDP): 130 W
Fan voltage: 12 V
Fan current: 0.12 A

Weight & dimensions

Width: 100 mm
Depth: 73 mm
Height: 127 mm
Radiator width: 10 cm
Radiator depth: 12.7 cm
Radiator height: 4.8 cm
Weight: 412 g
Fan dimensions (W x D x H): 100 x 25 x 100 mm
Cable length: 0.2 m

Technical details

Sustainability certificates: Triman
Compliance certificates: CE, Federal Communications Commission (FCC), RoHS, UKCA, WEEE

Check the manufacturer's page before buying.

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About this product

Quiet and compact cooling be quiet! Pure Rock Slim 3 is a great fit for compact PCs and quiet multimedia systems thanks to its space-saving design and asymmetrical tower. Its easy mounting is intuitive and sturdy.

User manual (PDF) · Datasheet (PDF)

Pure Rock Slim 3 vs similar CPU coolers

	be quiet! Pure Rock Slim 3	UNYKAch UNYCOOL H37	ARCTIC Freezer 36-S A-RGB (Black) Multi Compatible Tower CPU Cooler	ARCTIC Freezer 36-S A-RGB (White) Multi Compatible Tower CPU Cooler
Type	Air	Air	Air	Air
Fan size	1x 100 mm	1x 90 mm	1x 120 mm	1x 120 mm
Height	127 mm	37 mm	156 mm	156 mm
Rated cooling	130 W	130 W	—	—
sockets	LGA 1851, LGA 1700, Socket AM4, Socket AM5	LGA 1851, LGA 1700, LGA 1200 (Socket H5), LGA 1151 (Socket H4), LGA 1150 (Socket H3), LGA 1155 (Socket H2), LGA 1156 (Socket H), Socket AM5, Socket AM4	LGA 1851, LGA 1700, Socket AM4, Socket AM5	LGA 1851, LGA 1700, Socket AM4, Socket AM5
Released	2025	2026	2026	2026