be quiet! Pure Loop 3 LX 360mm ARGB AIO Liquid CPU Cooler
be quiet!
be quiet! Pure Loop 3 LX 360mm ARGB AIO Liquid CPU Cooler
The be quiet! Pure Loop 3 LX is a 360mm all-in-one liquid CPU cooler designed for high-performance cooling with customizable RGB lighting. It suits builders who want strong cooling performance paired with visual appeal, solving the challenge of keeping demanding CPUs cool without excessive noise.
Why this product
10 interchangeable lighting foils
Swap foils on the ARGB cooling block to change visual effects without tools or disassembly. Each foil transforms the lighting pattern for different system aesthetics.
Whisper-quiet 6-pole 3-phase pump
The motor design minimizes vibrations and keeps the pump silent across its full 3,000–5,500 rpm operating range, even under heavy loads.
Three high-speed fans with ARGB LEDs
Each Light Wings LX 120mm fan carries 16 individual ARGB LEDs and airflow-optimized blades that balance performance with low noise output.
Accessible refill port for maintenance
The easily reached port simplifies topping up coolant when needed, removing barriers to long-term ownership of an all-in-one cooler.
Flexible sleeved tubes
Soft tubing makes routing simpler than rigid alternatives and adapts more forgivingly to tight case layouts.
- Radiator size360mm
- Radiator materialAluminum
- Block materialCopper
- Fan quantity3 × Light Wings LX 120mm PWM
- Fan speedUp to 2100 rpm
- Noise levelUp to 36 dBA
- Warranty3 years
- SKUBEQ-876
- EAN4260052193204
- Intel LGA115X, 1200, 1700, and 1851 sockets all supported.
- AMD AM4 and AM5 sockets both compatible.
- ARGB lighting requires a motherboard with standard ARGB header; daisy-chaining is built in to simplify multi-device control.
- 360mm radiator requires a case with space for a 397 × 120 × 52 mm radiator and fan assembly; verify your case supports top or front mounting before purchase.
Best for
- High-end gaming and streaming builds
- Builders seeking visible RGB lighting control
- Systems where quiet operation matters
- Users comfortable with occasional coolant top-ups
Trade-offs
- Compact cases: the 360mm radiator footprint (397 × 120 × 52 mm with fans) will not fit builds requiring sub-300mm radiator clearance.
- RGB-free systems: lighting is integral to this model and cannot be disabled; a non-RGB cooler would suit minimalist builds better.
- Set-and-forget users: the refill port requires occasional maintenance; fully sealed passive coolers or air coolers avoid this overhead.
Pure Loop 3 LX 360mm boasts vibrant lighting, stunning customization options and an extremely high cooling performance.
Stylish ARGB cooling block featuring 10 included lighting foils for extensive illumination options and breathtaking visual effects. Switch between the 10 included lighting foils as often as you like with Pure Loop 3 LX 360mm. Each foil changes the impressive ARGB effect of the cooling block. You can replace foils with minimal effort.
With Pure Loop 3 LX 360mm even the most demanding applications can be used reliably. An immense cooling power provides low temperatures even during periods of peak CPU performance.
A powerful PWM pump ensures the very high-performance of Pure Loop 3 LX 360mm 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 Loop 3 LX 360mm features 3 Light Wings LX 120mm PWM high-speed fans. They come with 16 LEDs that perfectly scatter across the fan blades and are key for the stunning visuals Pure Loop 3 LX 360mm offers. The fan's 9 airflow-optimized fan blades not only reduce noise-generating turbulences but also ensure that Light Wings LX 120mm PWM high-speed provides the performance that is needed, even in demanding scenarios. A specially designed, funnel shaped air outlet is more than just the icing on the cake: it maximizes the airflow over the fins. 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.
Who says water coolers are harder to maintain? We most certainly do not! Pure Loop 3 LX 360mm 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.
General
| Brand | be quiet! |
|---|---|
| Model | Pure Loop 3 LX 360mm (BW031) |
Radiator & Block
| Radiator size | 360mm |
|---|---|
| Radiator material | Aluminum |
| Radiator dimensions (with fans) | 397 × 120 × 52 mm |
| Radiator dimensions (without fans) | 397 × 120 × 27 mm |
| Block material | Copper |
| Block dimensions (H × W × D) | 68.5 × 93.4 × 48.7 mm |
| Waterblock dimensions (L × W × H) | 80 × 78 × 97 mm |
| Tubing length | 400 mm (15.7") |
| Tube diameter (outer) | 11 mm |
Fan
| Number of fans | 3 × Light Wings LX 120mm PWM High-Speed |
|---|---|
| Fan dimensions | 120 × 120 × 25 mm |
| Speed range | Up to 2100 rpm |
| Airflow | 61.8 CFM |
| Fan bearing type | Rifle Bearing |
| Fan LEDs | 16 ARGB LEDs per fan |
Acoustics & Power
| Noise level | Up to 36 dBA |
|---|---|
| Pump speed | 3000–5500 rpm |
| Pump motor | 6-pole, 3-phase PWM |
Compatibility & Features
| Intel socket support | LGA115X / 1200 / 1700 / 1851 |
|---|---|
| AMD socket support | AM4 / AM5 |
| Lighting | ARGB (fans & cooling block) |
| Daisy chain | Yes – integrated daisy chaining |
| Refill port | Yes |
| Warranty | 3 years |
Shipping
All our products are shipped from the United Kingdom within 24 to 48 hours of purchase. See our Shipping and Returns page for full details.
Returns
- Tech Syndicate offers a full money-back guarantee on all purchases made in our store. If you are not satisfied with your purchase, we will provide a full refund, no questions asked.
- Refunds are available within 45 days of delivery.
- After the 45-day period you are no longer eligible for a refund, so we encourage you to try the product within the first few weeks to make sure it fits your needs.