Neptune DN140 PRO
Neptune DN140 PRO
Neptune DN140 PRO
Neptune DN140 PRO
Neptune DN140 PRO

Neptune DN140 PRO

Sale price€29.99
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Meet InWin’s top-tier fan – the Neptune DN PRO. With advanced aerodynamics, ultra-quiet operation, industrial-grade components, and a perfect balance of high cooling and low-noise performance, these fans will elevate your PC build with this pro grade revolution!

Quantity Included:1 Pack
  1. Pro Grade Silent Static Pressure Fan
  2. Possesses 3-Phase Motor and FDB Shield with Copper
  3. Metallic Precision Frame Threading
  4. 6-Year Warranty


Model Neptune DN140 PRO
Quantity Included Single Pack
Model Number IW-FN-DN140PRO-1PK
Colors Black
Fan Size 140 x 140 x 25 mm
Materials PBT, Silicon
Rated Voltage DC 12V
Rated Power 1.92W
Rated Current 0.16A
Speed Mode PWM 0 - 1800 +/- 10% RPM
Air Flow 43.74 - 91.66 CFM
Air Pressure 0.67 - 2.95 mm / H2O
Connector (Fan to Fan) Non-Modular Cables
Connector to M/B 4-Pin (12V, PWM)
Noise Level 24 dB(A) (Normal)
Bearing Type FDB
MTBF >60,000 hrs.
Net Weight 297 g / 0.65 lbs
Gross Weight 516 g / 1.14 lbs
Package Dimensions (L x W x H)

232 x 37 x 177 mm
9.13 x 1.45 x 6.97"

Warranty 6 Years
* InWin's products comply with RoHS regulation.
* Specifications may vary based on different regions.

Experience Pro Grade Cooling

Professional in aerodynamics and acoustics. The Neptune DN PRO fan is ready to deliver the ultimate Pro Grade experience.

Turbine Blade Design

InWin’s signature Turbine Blade design creates a more concentrated airflow, preventing air leakage and irritating noise pollution.

Three-Phase Motor Ready

As the upgrade of the Neptune series, the DN PRO fans possess a three-phase, six-pole motor. With high torque, more efficient energy is provided.

FDB Sleeved with Copper Bearing Shield

Fluid Dynamic Bearings are used and covered with copper bearing shields, providing the DN PRO fans with more stable airflow and a much longer lifespan.

Metallic Precision Frame Threading

Metallic precision screw threading is pre-applied for easy installation. Customized radiator screws are included.


Neptune DN140 PRO Fan x 1
Fan Screws x 6
Radiator Screws 30 mm x 4
Radiator Screws 32 mm x 4
PWM Fan Extension Cables 500 mm x 2

Become a Fan of InWin’s Case Fans!

InWin's case fans are both aesthetically pleasing and practical. There are different series of case fans that meet different user requirements. Some of InWin’s fans are daisy-chainable and some are not. So, take a look and check out which InWin fans match your needs

InWin’s Fans Compatibility Note:
1. Do not chain up your fans with other fans in with different cables types.
2. ARGB fans and RGB fans are not compatible with each other.