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Keep your computer cool and quiet with the Be Quiet! Pure Loop 3 240mm all-in-one liquid cooler. Designed for strong performance and whisper-quiet operation, this cooler is perfect for gaming PCs, workstations, and anyone who wants reliable cooling without the extra noise.
The Pure Loop 3 uses a high-quality copper cold plate and a powerful yet quiet pump to move heat away from your CPU efficiently. Its two 120 mm Pure Wings 3 PWM fans provide excellent airflow while staying nearly silent — even when your system is working hard.
This cooler fits the latest Intel and AMD sockets, including Intel LGA 1851 / 1700 and AMD AM5 / AM4, so it’s ready for modern processors. The 240 mm radiator offers great cooling power in a compact size that fits most mid-tower PC cases.
A built-in refill port lets you top up the coolant when needed, helping extend the cooler’s lifespan. With its clean, black design and focus on performance over flashy lights, the Pure Loop 3 looks professional and stays quiet — just the way serious PC builders like it.
Be Quiet! Pure Loop 3 240mm 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 | Includes Intel & AMD mounting hardware with pre-applied thermal grease |
| Socket | Intel LGA 1851 / 1700 / 1200 / 1151 / 1150 / 1155; AMD AM5 / AM4 |
| CPU Supported | Intel & AMD desktop processors (see socket list) |
| Socket | Intel LGA 1851 / 1700 / 1200 / 1151 / 1150 / 1155; AMD AM5 / AM4 |
Fan
| Fan Diameter | 120 mm |
| Fan Bearing Type | Rifle bearing |
| Fan Speed | Up to 2,100 RPM |
| Bearing Type | Rifle |
| Noise Level | 15.4 / 27.3 / 35.2 dB(A) (50 % / 75 % / 100 % speed) |
| Fan Noise Level | 35.2 dB(A) (max) |
| Static Pressure | 2.41 mm H2O |
| Fan Operating Notes | PWM-controlled Pure Wings 3 fans with daisy-chain connector |
| Lifetime | 80,000 hours @ 25 øC |
| Fan Air Pressure | 2.41 mm H2O |
| Airflow | 59.6 CFM / 101.2 mü/h |
| Air Flow | 59.6 CFM / 101.2 m3/h |
Fan Speed Controller
| Connector | 4-Pin PWM (fans and pump) |
| Allowable Power | 5.4 W (fan); pump power not specified |
| Connector Type | 4-Pin PWM |
| Voltage | 12 V DC |
| Current | 0.13 A (fan), safety current 0.45 A |
| Output Voltage | 12 V DC |
Cooler Installation
| Cooler Installation Notes | Compatible with Intel & AMD mounting kits included |
Compliance
| Standards | CE, UKCA, FCC |
| Certifications | CE, UKCA, FCC, RoHS, WEEE, Triman |
Physical
| Form Factor | 240 mm liquid CPU cooler |
| Form Factor | 240 mm AIO |
| Case Colour | Black |
| Cable Length | 30 / 90 mm (fan cables) + 400 mm tubes |
| Base Material | Copper (nickel-plated) |
| Heatsink Material | Aluminum radiator |
| Pack Quantity | 1 |
| In The Box | 2 x 120 mm fans, radiator, pump/block unit, Intel & AMD mounting kit, thermal grease, 4-pin PWM extension cable, manual |
| Width | 120 mm (radiator) |
| Depth | 52 mm (radiator + fans) |
| Height | 277 mm (radiator length) |
| Weight | 1.02 kg (total) |
| Cable length | 400 mm (tubes), 30 / 90 mm fan cables |
| Fan Width | 12 cm |
| Fan Depth | 25 mm |
| Fan Height | 120 mm |
| Heatsink Width | 120 mm (radiator) |
| Heatsink Height | 277 mm (radiator length) |
| Heatsink Depth | 27 mm (radiator only) / 52 mm (with fans) |
Warranty
| Warranty | 3 years |
Key Features
| Main Colour | Black |
| Includes Fan | Yes |
| Socket 115x | Yes |
| L.E.D Fan | No LED |
| Liquid Cooler | Yes |
| Compatible with Socket 1150 | Yes |
| Watercooler | Yes |
| Socket AM5/AM4 | Yes |
| Cooler Height | 277 mm |
| Number of Fans | 2 fan(s) |
| Socket 1200 | Yes |
| Socket 1700 | Yes |
| Power Requirement (auto) | 5 W |
| Cooler count | 1 |
| Socket 1851 | Yes |
Item Details
| Manufacturer | Be Quiet! |
| Manufacturer Code | BW027EU |
| EAN | 4260052193167 |
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