Antminer Cooling Fan Nidec – 12V 2.61A, 6000 RPM, 120mm (Square Pin)

This original Nidec high-speed cooling fan (model W12E12BS11B5-57) is designed for Antminer units that use 4-pin flat fans. It supports a wide range of Antminer models including S21, T21, KA3, L7, D7, S9, KS5, KS5 Pro, and multiple S19-series and S17-series miners.
Its strong airflow and double ball-bearing design ensure stable cooling for continuous mining environments.

The all-copper motor provides consistent rotation, while the 120mm × 38mm frame and PWM-controlled 4-pin connector ensure efficient cooling and reliable operation.

Compatible Antminer Models
• 21 Series: S21, T21
• 19 Series: S19, S19j, S19 Pro, S19j Pro, S19i, T19, S19a, S19a Pro, S19 XP, S19 L, S19 Pro-A, S19j Pro-A, etc.
• 17 Series: S17 Pro, S17, S17e, S17+, T17, T17e, T17+
• Other Models: L7, D7, KA3, S9, KS5, KS5 Pro
• Connector Type: 4-Pin Flat PWM Fan

Fan Specifications
• Brand: Nidec
• Model: W12E12BS11B5-57
• Size: 120mm × 120mm × 38mm
• Voltage: 12V
• Current: 2.61A
• Speed: 6000 RPM
• Airflow: 197 CFM
• Noise Level: 69 dBA
• Bearing Type: Double Ball Bearing
• Connector: 4-Pin Flat (PWM Supported)

⚠️ Important Note
This is a high-performance cooling fan designed specifically for ASIC miners. It is not suitable for standard PC or household applications.