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Keep your CPU cool and your PC looking great with the be quiet! Pure Loop 3 LX 240 mm liquid cooler. Designed for strong performance and near-silent operation, this cooler is ideal for gamers, content creators, and anyone who wants reliable cooling without extra noise.
The Pure Loop 3 LX 240 mm includes a 240 mm radiator and two high-performance Light Wings LX 120 mm fans with bright ARGB lighting, giving your system smooth airflow and a customisable look. Both the fans and the pump are engineered to run quietly, even when your system is under heavy load.
It also features a refill port, allowing you to easily top up the liquid and extend the cooler’s lifespan — something most other all-in-one coolers don’t offer. The sturdy build, sleeved tubes, and secure mounting system make installation straightforward and durable.
Compatible with the latest Intel and AMD sockets (including LGA 1851, 1700, 1200, and AM5/AM4), the Pure Loop 3 LX 240 mm is ready for modern and future processors.
be quiet! Pure Loop 3 LX 240mm ARGB All-in-One Liquid CPU Cooler
CPU Types
| Compatible CPU Types | Intel: LGA 1851, 1700, 1200, 1151, 1150, 1155 / AMD: AM5, AM4 |
| CPU Installation Notes | Compatible with Intel and AMD mounting kits included |
| Socket | LGA 1851 / 1700 / 1200 / 1151 / 1150 / 1155 / AM5 / AM4 |
| CPU Supported | All mainstream Intel and AMD desktop CPUs |
| Socket | Intel: LGA 1851, 1700, 1200, 1151, 1150, 1155 / AMD: AM5, AM4 |
Fan
| Fan Diameter | 120 mm |
| Fan Bearing Type | Rifle bearing |
| Fan Speed | 2100 RPM (max) |
| Bearing Type | Rifle |
| Noise Level | 15.5 / 27.5 / 35.0 dB(A) at 50% / 75% / 100% RPM |
| Fan Noise Level | 35.0 dB(A) (max) |
| Static Pressure | 2.51 mm H2O |
| Fan Operating Notes | PWM controlled; ARGB Light Wings LX 120mm fans with daisy chain support |
| Lifetime | 60,000 hours at 25øC |
| Fan Air Pressure | 2.51 mm H2O |
| Airflow | 61.8 CFM / 105.1 mü/h |
| Air Flow | 61.8 CFM / 105.1 m3/h |
Fan Speed Controller
| Connector | 4-pin PWM (pump), proprietary ARGB (fans, daisy chain) |
| Allowable Power | 5.4 W (fan) |
| Connector Type | 4-pin PWM / ARGB |
| Voltage | 12 V |
| Current | 0.17 A (rated), 0.45 A (max safety current) |
Cooler Installation
| Cooler Installation Notes | Mounting kits for Intel and AMD included; pre-applied thermal grease |
Compliance
| Standards | CE, UKCA, FCC |
| Certifications | CE, UKCA, FCC, RoHS, WEEE, Triman |
Physical
| Form Factor | 240 mm radiator (dual 120 mm fan) |
| Form Factor | All-in-One (AIO) liquid CPU cooler |
| Case Colour | Black |
| Cable Length | 20 mm / 100 mm (fan cables) + 400 mm (tubes) |
| Base Material | Copper (nickel-plated) |
| Heatsink Material | Aluminum radiator |
| Pack Quantity | 1 |
| In The Box | Cooler, 2 x Light Wings LX 120 mm fans, Intel & AMD mounting kits, PWM/ARGB cables, thermal grease, manual |
| Width | 120 mm (radiator) |
| Depth | 277 mm (radiator) |
| Height | 52 mm (radiator + fans) |
| Weight | 1.05 kg |
| Cable length | 400 mm (tubing) |
| Fan Width | 12 cm |
| Fan Depth | 25 mm |
| Fan Height | 25 mm |
| Heatsink Width | 120 mm (radiator) |
| Heatsink Height | 27 mm (radiator only) / 52 mm (with fans) |
| Heatsink Depth | 277 mm |
Warranty
| Warranty | 3 years |
Key Features
| Main Colour | Black |
| Includes Fan | Yes |
| Socket 2066/2011 | No |
| Socket 115x | Yes |
| Socket AM2(+)/AM3(+) | No |
| L.E.D Fan | ARGB |
| Socket FM2/FM1 | No |
| Liquid Cooler | Yes |
| Compatible with Socket 1150 | Yes |
| Watercooler | Yes |
| Socket AM5/AM4 | Yes |
| Cooler Height | 52 mm |
| Socket SP3/TR4/sTRX4/sWRX80 | No |
| Socket 3647 | No |
| Number of Fans | 2 fan(s) |
| Radiator Size | 120 mm |
| Socket 1200 | Yes |
| Socket 1700 | Yes |
| Power Requirement (auto) | 9 W |
| Cooler count | 1 |
| Our Cooling Rating (TDP) | 300 W |
| Socket SP6/sTR5 | No |
| Socket 4677 | No |
| Create Your Own Gaming PC (CCL) | Yes |
| Socket 1851 | Yes |
Item Details
| Manufacturer | Be Quiet! |
| Manufacturer Code | BW030EU |
| EAN | 4260052193198 |
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