be quiet! ASMR Build Featuring Silent Wings Pro 4

James Dawson August 8, 2025 Featured Tech News, Featured Tech Reviews, Gaming PC

be quiet! is well known for its low noise approach to PC cooling, but what happens if you combine the Light Base 900 DX case, a 420mm Silent Loop 3 closed loop CPU cooler, a Pure Power 12 M PSU and a bunch of be quiet! Silent Wings Pro 4 140mm fans? Well, you end up with a virtually inaudible PC perfect for anything from gaming to workflow scenarios. Join us to see how we got on…

Case: be quiet! Light Base 900 DX – Available to purchase now from Scan priced at £164.99 HERE.

Light Base 900 DX is equipped with large window panels on the front and side for an almost unrestricted view of the system, while the unique and intuitive feet allow the case to be inverted or run horizontally in seconds.
The large dimensions and dual chamber design ensure almost any hardware can be installed inside the Light Base 900 DX, it supports EATX motherboards, including back connect, up to 420mm radiators and large, powerful graphics cards.
It's designed for maximum usability with detachable radiator brackets at the top and bottom, with two ARGB PWM fan hubs located in the rear chamber at the top and bottom for connecting up to 12 fans.

Specifications

Case Type: ATX tower
Dimensions: 532 x 327 x 484 (L x W x H), (mm)
Motherboard Support: E-ATX / XL-ATX / ATX / M-ATX / Mini-ATX
Expansion Slots: 8
Storage Bays: Max 2 x 3.5”, 6 x 2.5”
Max GPU Length: 495mm
Max CPU Cooler Height: 190mm
Max PSU Size: ATX PS/2 225mm
Pre-installed Fans: N/A
Fan Support: Top 3 x 140 / 3 x 120mm, Side 3 x 140 / 3 x 120mm, Rear 1 x 140 / 1 x 120mm, Bottom 3 x 140 / 3 x 120mm
Radiator Support: Top 120 / 140 / 240 / 280 / 360 / 420mm, Side 120 / 140 / 240 / 280 / 360mm, Rear 120 / 140mm, Bottom 120 / 140 / 240 / 280 / 360 / 420mm
Dust Filters: Top + Bottom
Font I/O: 1 x USB 3.2 Gen2 Type-C, 2 x USB 3.2 Type-A, 3.5mm HD Audio + Mic

CPU Cooler: be quiet! Silent Loop 3 420mm – Available to purchase now from Scan priced at £124.99 HERE.

Silent Loop 3 420mm is designed to cool flagship CPUs with high power demands, leaving headroom for overclocking, while the powerful 3-chamber pump is designed to significantly reduce noise.
It comes equipped with be quiet! Silent Wings 4 140mm PWM fans for incredible cooling performance and virtually inaudible operation. The elegant pump top design features subtle ARGB lighting effects.
An easy-to-access refill port allows users to top up the cooler with the included coolant for a longer lifespan, and it comes with a 3-year warranty for peace of mind.

Specifications

CPU Socket Compatibility: Intel 1851 / 1700 / 1200 / 1150 / 1151 / 1155, AMD AM5 / AM4 / TR5 / TR4
Radiator Material: Aluminium
Radiator Dimensions: 457 x 140 x 52 (inc. fans) (H x W x D), (mm)
Radiator Tube Length: 400mm
CPU Block/Pump Dimensions: 5 x 80 x 56 (H x W x D), (mm)
Pump Speed: up to 3500rpm
Cold Plate Material: Nickel-plated copper
Pump Connector: 4-pin PWM
Pump LED: 3-pin 5V ARGB
Fan Dimensions: 140 x 140 x 25mm
Fan LED: ARGB
Fan Speed (PWM): up to 1900rpm
Fan Max Airflow: 78.4 CFM
Fan Max Air Pressure: 2.36 mm H20
Noise (dBA): 34.3 dBA
Fan Bearing: Fluid Dynamic Bearing
Fan Connector: 4-pin PWM
LCD Screen: N/A
Warranty: 3 Years

Fans: 140mm be quiet! Silent Wings Pro 4 PWM – Available to purchase now from Scan priced at £29.99 HERE.

Equipped with seven blades optimised for high performance on radiators and heat sinks with a small tip clearance and a fan frame with a funnel-shaped outlet to maximise air pressure.
The integrated 3-way speed switch allows users to change the maximum PWM speed, with a maximum setting on high speed mode of 2400rpm. At regular speed, the Silent Wings Pro 4 is virtually inaudible.
Silent Wings Pro 4 also features a 6-pole motor and fluid dynamic bearing for lower vibration and smooth operation, while the swappable mounting system allows for use as either a case fan or with a radiator. All backed by a 5-year warranty.

Specifications

Dimensions: 140 x 140 x 25mm
Colour Option: Black or White
Max Speed: 2400 rpm
Max Noise Output: 36.8 dBA
Max Airflow: 97.4 CFM
Max Air Pressure: 3.64 mmH2O
Bearing Technology: Fluid Dynamic Bearing
Connector: 4-pin PWM
Cable Length: 500mm
Zero RPM mode: Yes
Warranty: 5 Years

Power Supply: be quiet! Pure Power 12 M 850W – Available to purchase now from CCL priced at 109.99 HERE.

Pure Power 12 M features ATX 3.1 certification with full support for PCIe 5.1 Graphics cards with 6+2 power connectors, as well as 80+ Gold rated efficiency.
It's equipped with an exceptionally quiet 120mm be quiet! fan. Pure Power 12 M is a highly stable PSU with voltage regulation from LLC technology, 2 x 12V rails and modular cables for user flexibility.
The main power connectors include one PCIe 5.1 12V-2×6 600W and four PCIe 6+2, with two CPU EPS power, and the unit comes with a 10-year warranty for peace of mind.

Specifications