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be quiet! Pure Loop 3 240 (BW027)

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be quiet! Pure Loop 3 240
PureBackplate
240 mm280 mm360 mm
Main specs
Featuresfor CPU
Product typeliquid cooling
Fan
Number of fans2
Fan size120 mm / Pure Wings 3 /
Fan thickness25 mm
BearingRifle Bearing
Max. RPM2100 rpm
Speed controllerauto (PWM)
Max. air flow59.6 CFM
Static pressure2.41 mm H2O
MTBF80 K hours
replaceable
Power source4-pin
Radiator
Heatsink materialaluminum
Plate materialcopper
SocketAMD AM4
AMD AM5
Intel 1150
Intel 1155/1156
Intel 1151 / 1151 v2
Intel 1200
Intel 1700 / 1851
Liquid cooling
Heatsink size240 mm
Pump size68.5x93.4x44.9 mm
Pump rotation speed5500 rpm
Pipe length400 mm
Pump power source4-pin
Pump noise level35 dB
General
Mount typebilateral (backplate)
Manufacturer's warranty3 years
Dimensions277x120x27 mm / radiator /
Weight1020 g
Official Websitebequiet.com
Added to E-CatalogAugust 2025
P/N
BW027

Universal maintenance-free liquid cooling system with a 240 mm channel aluminum radiator, low-noise pump, and a pair of durable 120 mm fans with increased static pressure. The manufacturer claims an ability to remove and dissipate up to 250 W of thermal power from the processor. This enables the system to be used not only with mid-range CPUs but also with flagship top-tier solutions under prolonged high-load conditions.

This efficiency is achieved through the optimization of coolant flow speed and the use of high-performance fans. With the 240 mm radiator size, the be quiet! Pure Loop 3 240 liquid cooling system is compatible with most modern MidTower and FullTower cases that have mounting spaces for a pair of 120-mm fans on the top or front panel. The compact micro-channel copper water block does not interfere with motherboard power subsystem radiators and does not block RAM slots.

The included Pure Wings 3 PWM High-Speed fans have optimized blades and support Feedback Technology, which maintains a stable blade rotation speed regardless of flow resistance, such as when passing through dense radiator fins. The ability to adjust the pump speed from 3000 to 5500 RPM allows for flexible balancing between maximum cooling and complete silence. Enhanced static pressure, compatibility with top-tier CPUs, be quiet! Pure Loop 3 240's innovative design, efficient cooling while maintaining silence, versatile size fitting most cases, pump speed adjustability, and technologically advanced fans make this system stand out.

E-Catalog UK editor, Computer Cooling
Valerii Lenko, edited 12.05.2026
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.
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Be Quiet! Pure Loop 3 240mm BW027EU

Keep your computer cool and quiet with the Be Quiet! Pure Loop 3 240mm all-in-one liquid cooler. Designed for strong performa... morence 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.
CCLonline.com
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£53.99
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be quiet! Pure Loop 3 240mm All-in-one Liquid Cooler 12cm - Black - BW027EU BW027EU

The be quiet! Pure Loop 3 240mm All-in-one Liquid Cooler 12cm - Black is a CPU cooler designed for quiet, reliable operation... moreand quality construction, an excellent choice for low-noise PC builds.
Awd-it.co.uk
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£54.90
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be quiet! Pure Loop 3 All-in-One 240mm Intel / AMD CPU Water Cooler

Scan.co.uk
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£54.98
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be quiet! Pure Loop 3 AIO Liquid CPU Cooler - 240mm Radiator

pa_mpn: 985, pa_sku: 2127, pa_ean-gtin: 2128, pa_brand: 1587, pa_colour: 117, pa_lightning: 996 be quiet! (BW027) SUPREME AND... moreQUIET COOLINGPure Loop 3 240mm is the impressively high-performing and silent All-in-One water cooling unit for users with slightly overclocked systems. Pure Loop 3 240mm is for all the purists out there that like their cooling power subtle and unagitated.Very high cooling performance for all consumer CPUsState-of-the-art PWM pump with 6-pole motor reduces vibrations to an absolute minimum2 Pure Wings 3 120mm PWM high-speed fan offer high static pressure with very quiet OperationDaisy-chained PWM fans for maximum convenienceFlexible sleeved tubes and a simple mounting ensure easy handlingEasy-to-access refill port for convenient handlingNeat design language with elegant looks and subtle details3-year manufacturer's warrantyProduct conception, design and quality control in GermanySpecificationsGeneral dataModel Pure Loop 3 | 240mmColor option - N/ADimensions radiator, incl. fan (H x W x D), (mm) 277 x 120 x 52Dimensions cooling block (H x W x D), (mm) 68.5 x 93.4 x 44.9Total weight (kg) 1.020Socket compatibility Intel 1851 / 1700 / 1200 / 1151 / 1150 / 1155Socket compatibility AMD AM5 / AM4Noise level (dB(A)) at 50% / 75% /100% rpm 15.4 / 27.3 / 35.2Number of fans 2Lighting connector - NoTube length (mm) 400Refill port YesPump specificationsPump speed (rpm) 5500Pump adjustable (rpm) 3000 - 5500Pump connector 4-pin PWMRadiator specificationsDimensions (L x W x H), (mm) 277 x 120 x 27Radiator material / finish AluminumBase material / finish copperFan specificationsFan model Pure Wings 3 120mm PWM high-speedFan dimensions (mm) 120 x 25 x 120Speed at 100% PWM (rpm) 2100Airflow at 100% PWM / 12V (cfm / m3/h) 59.6 / 101.2Air pressure at 100% PWM / 12V (mm H2O) 2.41Bearing technology RifleMotor technology 4-poleRated voltage (V) 12Input current (A) 0.13Safety current (A) 0.45Input power (W) 5.4Connector 4-pin PWMCable length (mm) 30 / 90mm + daisy chainLifespan (h / 25°C) 80,000AccessoriesThermal grease (Type) IncludedMounting set Intel, AMDAdapter cables 4-Pin PWM extensionBottle of coolant (ml) - NoARGB controller with SATA cable - NoARGB-PWM-Hub - NoUser manual languages CN, DE, EN, ES, FR, JP, PL, RU, TWSafety certificationsApprovals CE, UKCA, FCCEnvironmental directivesRoHS YesWEEE YesTriman Yes
Alphacores.co.uk
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£58.39
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be quiet! PURE LOOP 3 Processor All-in-one liquid cooler 12 cm Black 1 pc(s) BW027EU

Processor All-in-one liquid cooler 12 cm. Supported processor sockets: LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4),... moreLGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5. 35.2 dB 59.6 cfm 2.41 mmH2O Rifle bearing. Pulse-width modulation (PWM) support. 120 x 120 x 25 mm. Black. 1 pc(s). Pure Loop 3 240mm is the impressively high-performing and silent All-in-One water cooling unit for users with slightly overclocked systems.. Very high cooling performance for all consumer CPUs State-of-the-art PWM pump with 6-pole motor reduces vibrations to an absolute minimum 2 Pure Wings 3 120mm PWM high-speed fans with funnel-shaped air outlet offer high static pressure with very quiet operation Daisy-chained PWM fans for maximum convenience Flexible sleeved tubes and a simple mounting ensure easy handling Easy-to-access refill port for convenient handling Neat design language with elegant looks and subtle details 3-year manufacturer’s warranty. Very High Cooling Performance. With Pure Loop 3 240mm even the most demanding applications can be used reliably. Very high cooling power provides low temperatures even during periods of peak CPU performance.. Superior Pump Design. A powerful PWM pump ensures the very high-performance of Pure Loop 3 240mm and is whisper-quiet at the same time. The 6-pole 3-phase motor provides a smooth and consequently silent operation, whether at high or low rpm.. Pure Wings 3 Fans. 2 Pure Wings 3 120mm PWM high-speed fans provide high air pressure to efficiently cool the liquid of the Pure Loop 3 240mm radiator. The fans also come with a “closed loop motor” function. This feature always keeps a steady fan speed, no matter the resistance – ideal for radiators. Despite their performance, Pure Wings 3 offer very quiet operation. Even at maximum speed, the fans operate at only 35,2dB(A). A specially designed, funnel shaped air outlet is more than just the icing on the cake: it maximizes the airflow over the fins.. Daisy Chain. If you want to connect more fans than your system has headers for, you are in for a problem. A water cooling system with a pump and 2 fans on top of the case fans can hit the maximum available on a motherboard easily. The daisy chain function of Pure Loop 3 240mm allows all fans to be connected in series. We provide fewer and shorter cables to help you achieve a cleaner look.. Easy And Intuitive Handling. Who says water coolers are harder to maintain? We most certainly do not! Pure Loop 3 240mm features flexible tubes, so installing it becomes a breeze. The refill port is easily accessible, making refilling this AiO an easy task, if and when it is required.. Undisputed Elegance. Pure Loop 3 240mm is the perfect choice for all purists that do not want to bother with lighting effects in their systems. However, this AiO shines even without lighting: the cooling block features an unmistakable design that gives Pure Loop 3 240mm a
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Computer Cooling be quiet! Pure Loop 3 240