be quiet! Pure Rock 3 Black (BK039)
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Reliable and versatile tower-type air CPU cooler with the traditional U-shaped layout of four 6 mm heat pipes, a nickel-plated copper base, a compact single-section heatsink, and Pure Wings 3 High-Speed 120 mm fans with long-life Rifle Bearing. It features a matte-black finish, moderate dissipated thermal power (up to 190 W at high fan speed), a light 570 g weight, two-sided mounting with a backplate, and sizable overall dimensions.
When choosing this cooling system, pay attention to the case width and the clearance from the CPU socket to the RAM slots. The aluminum heatsink consists of thin aluminum fins with a significant total surface area and a black coating. The be quiet! Pure Rock 3 Black CPU cooler can be installed on motherboards with Intel LGA1851/1700/1200/115X and AMD AM5/AM4 CPU sockets.
Thanks to its considerable cooling capacity, this model is suitable for cooling Intel or AMD processors in the Mainstream and Performance classes (excluding top-end and overclocking models whose TDP exceeds 190 W). It can cool CPUs running continuously with a small overclock performed without a significant increase in supply voltage. At minimum speed, the 120 mm fan operates silently (up to 12 dBA).
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2026 - new arrivals, bestsellers, and the most relevant models be quiet!.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2026 - new arrivals, bestsellers, and the most relevant models be quiet!.
Air or liquid cooling — which is better?Which type of cooling to choose depending on the purpose of the PC
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| £27.99 |  | ||||
Be Quiet BK039 | £27.99 |  | |||
| £27.98 |  | ||||
be quiet! be quiet Pure Rock 3 Black CPU Cooler - 120mm BK039 | £27.95 |  | |||
be quiet! Pure Rock 3 120mm CPU Air Cooler - Black BK039 | £27.95 |  | |||
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Series be quiet! Pure Rock (cooler tower)Compare using chart →
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 2000 rpm, maximum TDP 190 W, height: 154 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 2, 120 mm, 2000 rpm, maximum TDP 250 W, height: 155 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 2, 120 mm, 2000 rpm, maximum TDP 250 W, height: 155 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 2, 120 mm, 2000 rpm, maximum TDP 250 W, height: 155 mm, backlight, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1700 1851, fan: 1, 100 mm, depth 25 mm, 1700 rpm, maximum TDP 130 W, height: 127 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM2/AM3/FM1/FM2, AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 92 mm, 2000 rpm, maximum TDP 130 W, height: 135 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 92 mm, 2500 rpm, maximum TDP 100 W, height: 45 mm, UV glow
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 2000 rpm, maximum TDP 190 W, height: 154 mm, backlight, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 2011 v3, 2066, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, 1500 rpm, maximum TDP 150 W, height: 155 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM2/AM3/FM1/FM2, AM4, AM5, Intel: 1150, 1155/1156, 2011 v3, 2066, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, 1500 rpm, maximum TDP 150 W, height: 155 mm, UV glow, backplate mount
i bought it to replace the stock cooler for R5 1600 because it started making unpleasant noises and I wanted to try overclocking. For its price, this is probably the best cooler. It maintains 80 watts at less than 65°C on the quiet preset in BIOS with just one fan at the back. It looks great and has excellent factory thermal paste. easy installation, appearance, silence, price it's possible that the box is made from inexpensive cardboard and might not be suitable for box collectors (the cardboard texture is visible).  _ITpatch_: use be quiet! Pure Rock 3 Black less than month |
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air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 2050 rpm, height: 158 mm, backlight, UV glow, backplate mount
air cooler, per processor, AMD: AM2/AM3/FM1/FM2, AM4, AM5, Intel: 1150, 1155/1156, 2011 v3, 2066, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, 1500 rpm, maximum TDP 150 W, height: 155 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 26 mm, 2000 rpm, maximum TDP 240 W, height: 159 mm, backlight, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 2500 rpm, height: 152 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, 1800 rpm, height: 120 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 2000 rpm, height: 159 mm, UV glow, backplate mount, display
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1366, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 1800 rpm, maximum TDP 220 W, height: 153 mm, backlight, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 1800 rpm, maximum TDP 245 W, height: 157 mm, backlight, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, 1850 rpm, height: 155 mm, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 2100 rpm, height: 153 mm, backlight, UV glow, backplate mount, display
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 1950 rpm, height: 160 mm, backlight, UV glow, backplate mount
air cooler, per processor, AMD: AM4, AM5, Intel: 1150, 1155/1156, 1151/1151 v2, 1200, 1700 1851, fan: 1, 120 mm, depth 25 mm, 1850 rpm, height: 157 mm, backlight, UV glow, backplate mount, display