- Product Type: Liquid CPU Cooler
- Radiator Colour: Black
- Max Fan Speed: 2200RPM
- Radiator Size: 420mm
- LED Colour: ARGB
The be quiet! Silent Loop 3 420mm (MPN: BW026) is a premium All-in-One (AiO) liquid CPU cooler engineered to deliver exceptional cooling performance for high-end processors, including Intel’s Core i9 and AMD’s Ryzen 9 series, with ample headroom for overclocking.
Key Features:
Advanced Cooling Block Design: Features a highly engineered cooling block with a 1,800 mm² fin area, significantly enhancing heat transfer and ensuring comprehensive coverage of CPU hotspots.
Innovative 3-Chamber Pump: Equipped with a powerful 3-chamber pump design that minimizes turbulence and noise, complemented by a dampened, adjustable pump with a 6-pole motor for smooth and silent operation.
Silent Wings 4 Fans: Includes three Silent Wings 4 140mm PWM high-speed fans with radiator corners, optimized for near-inaudible performance and high static pressure, ideal for efficient radiator cooling.
Elegant Design with ARGB Lighting: Showcases a sleek premium design featuring discreet ARGB lighting on the cooling block, allowing for subtle yet customizable illumination to match your system’s aesthetics.
User-Friendly Maintenance: Offers an accessible refill port and includes a coolant bottle, ensuring a prolonged lifespan and easy maintenance.
Technical Specifications:
Radiator:
Dimensions:
454 x 140 x 27 mm (L x W x H)
Material:
Aluminum
Fans:
Type:
Silent Wings 4 140mm PWM high-speed
Dimensions:
140 x 140 x 25 mm
Speed:
Up to 2,200 RPM
Airflow:
Up to 98.2 CFM (166.8 m3/h)
Air Pressure:
Up to 3.68 mmH2O
Noise Level:
Up to 39.3 dB(A)
Bearing Type:
Fluid Dynamic Bearing (FDB)
Connector:
4-pin PWM
Rated Voltage:
12V
Power Consumption:
3.6W
Current:
0.3A
MTTF:
300,000 hours
Pump:
Dimensions:
86 x 74 x 47 mm (L x W x H)
Speed Range:
1,700 – 3,500 RPM
Connector:
4-pin
Tubing:
Length:
450 mm
Material:
Flexible sleeved rubber with bend protection
Lighting:
Type:
ARGB (Addressable RGB)
LED Connector:
3-pin
LED Voltage:
5V
Socket Compatibility:
Intel:
1851 / 1700 / 1200 / 1150 / 1151 / 1155
AMD:
AM5, AM4, TR5, TR4 (bracket included)
Warranty:
3 years
The Silent Loop 3 420mm is engineered to deliver exceptional cooling performance while maintaining whisper-quiet operation, making it an ideal choice for high-end systems requiring efficient thermal management.

Kingston FURY Beast KF556C40BBAK2-16 16GB RGB (2x8GB) System Memory, DDR5, 5600MHz, CL40, Black, 288 Pin
Adata Premier microSDXC/SDHC 128GB SD5.1 UHS-I Memory Card
Adata XPG Lancer Blade AX5U6000C3032G-DTLABBK 64GB U-DIMM System Memory DDR5, 6000MHz, 2 x 32GB
Gigabyte NVIDIA GeForce RTX 5080 AERO OC SFF 16GB GDDR7 Graphics Card, 10752 CUDA Cores, 2730 MHz Core Clock, Triple Fan, White, RGB, 3x DisplayPorts / 1x HDMI Por
be quiet! Light Wings LX 140mm PWM High-Speed Fan, ARGB Lighting, Triple Pack, Ultra-Quiet Operation, High Airflow, Daisy-Chaining Support, White
ANTEC CX500M Micro Tower Gaming Case, Black, ARGB, 2 x USB 3.0 / 1 x USB Type-C, Tempered Glass Side Panel, Micro-ATX/ITX
be quiet! Pure Base 501 LX Airflow Window Black ATX Mid Tower Case with USB-A, USB-C, 4 x Light Wings LX Black ARGB PWM Fans
be quiet! Pure Loop 3 LX Liquid CPU Cooler, Universal Socket, 360mm Radiator, 3 x Light Wings LX PWM High Speed, Stylish ARGB cooling block featuring 10 included lighting foils, 3-year manufacurer's warranty.
Adata Premier AD4U32008G22-BGN 8GB DIMM System Memory, DDR4, 3200MHz, 1 x 8GB Bulk
TecWare Forge M2 mATX PC Case, Compact High Airflow Mesh Front Panel, 3 x ARGB Fans Included, Hinged Tempered Glass Door, Supports 240mm Radiator, mATX/ITX, Black
Prevo SP2010 Power Bank,10000mAh Portable Charging for Smart Phones, Tablets and Other Devices, Charge 4 Devices with Prefitted Lightning, USB Type-C, Micro-USB & USB Cables, LED Torch, Black
Prevo 14 Inch Laptop Sleeve, Side Pocket, Cushioned Lining, Black
DeepCool AK620 Digital Pro CPU Air Cooler, Dual-Tower with Digital Display, 120mm FDB Fans, ARGB Lighting, 6 Copper Heatpipes, LGA1700/AM5 Compatible, High-Performance Quiet Cooling for Gaming PCs 









