The NB-BlackSilentPro Series was developed in close cooperation with the Hardwareluxx Community. Our leading technology and the user wishes made this extraordinary product series possible, in a classic design using high-quality components.

  • developed in Germany
  • position-invariant magnetic bearing NB-NanoSLI® 2NEW!
  • silent NB-EKA P2 Drive NEW!
  • Bayer® Makrolon® rotor with anti-dust technology
  • weighted reinforced fibreglass PBT frame
  • NB cable management
  • pluggable 20 + 50 cm connecting cables with high-quality textile sheath
  • Screw set for vibration-free assembly and silicone sealing frame
  • 4 fine thread screws and knurled nuts for tool free assembly
  • Silicone screw sleeves and silicone frames for sealing and decoupling
  • each 2x 20 and 50 cm connection cable with textile sheath


6 years warranty
Warranty Policy
Connection  3-pin
Rated Voltage 12VDC
Voltage Range 3,5 - 13,8VDC
Start Voltage 4
Rotational Speed 1700rpm
Power input 2,40Watt
Air Flow 153m /h
Static Pressure 1,650 mmH₂O
Noise Pressure 32,5dB/A
Loudness 1,950Sone N
Operating Temperature  -10℃~ +65℃
  • Noteable features include: Low start voltage, Long 6-year manufacturer's warranty, Glass fiber-reinforced chassis, Anti-dust polycarbonate rotor, Developed in conjuction with direct collaboration with the community @
  • Manufacturer's P/N: PK-3, Size: 140x140x25 mm, Weight: 130g
  • Speed: 1700 RPM

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Noiseblocker NB-BlackSilentPro PK3 (140mm)

  • Brand: Noiseblocker
  • Product Code: 4250051906301
  • Availability: In Stock
  • ¥2,525

  • Ex Tax: ¥2,295

Tags: Noiseblocker, Blacknoise, 140mm, Cooling fan