W12E12BS11B5-07 12cm 12V 1.65A Cooling Fan for Antminer S9 S20 S21 series

Name: W12E12BS11B5-07 12cm 12V 1.65A Cooling Fan for Antminer S9 S20 S21 series
Brand: LYS Shenzhen
Price: 3.9 USD
Availability: InStock

$3.90 USD

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About the Product

W12E12BS11B5-07 Nidec 12cm High-Speed Cooling Fan – Antminer S9 / S19 / S20 / S21

The Nidec W12E12BS11B5-07 is a 120 x 120 x 38 mm high-airflow 6000 RPM cooling fan engineered for continuous-duty operation inside Bitmain Antminer S9, S19, S20 and S21 miners. Built with a high-precision double ball bearing and a compact streamlined blade profile, it delivers strong static pressure through dense hashboard heatsinks while keeping vibration low. Stock fans often fail first on long-running ASIC miners — swapping in this original-spec Nidec restores proper thermals and prevents cascading chip failure.

W12E12BS11B5-07 Fan Specifications

Feature	Specification
Model	W12E12BS11B5-07
Manufacturer	Nidec
Size	120 x 120 x 38 mm (12038)
Bearing	High-precision double ball bearing
Voltage	12 V DC
Current	1.65 A
Power	14.8 W
Rotation Speed	6000 RPM
Airflow	180.15 CFM
Connector	4-pin PWM
Compatible Miners	Antminer S9, S19, S20, S21 series
Weight	380 g
Condition	Brand New

When to Replace Your Antminer Fan

Typical fan failure symptoms on Antminer S9 / S19 / S21 include: rising chip temperatures at constant ambient, increasing fan noise with rumble, miner throttling hashrate below nameplate, or outright fan-stall errors in the control panel logs. Running a miner with a weakened fan will eventually damage hashboard ASICs — far more expensive than a fan swap. The W12E12BS11B5-07 is a drop-in replacement for the stock Antminer fan with matching RPM and static-pressure profile.

Why High Static Pressure Matters

Antminer hashboards are packed with dense heatsink fins. Ordinary case fans move a lot of air in open space but stall against dense finstacks — a high-static-pressure fan like the Nidec W12E12BS11B5-07 maintains airflow through the restriction, keeping silicon junction temperatures in safe range. The double ball bearing is rated for long-duty 24/7 operation and is the same bearing grade used on Bitmain's original fan orders.

Related Antminer Cooling Fans

Keep your Antminer hashing cool and steady. Order online or contact us at contact@lys-sz.com for bulk pricing and farm-scale fan replacement programs. Worldwide shipping from our Shenzhen warehouse.

Shipping & Customs

🇺🇸🇪🇺 USA & European Union (DDP):
Orders are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.

🌍 Rest of world:
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.

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