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Antminer 140mm Replacement Fan with square connector

Keep your Antminer S21 Pro, S21+ & S21 XP running at peak performance with this high-quality 140mm replacement fan. Built to match the original specifications, this fan delivers robust airflow to ensure your miner remains cool under heavy loads. Whether you’re replacing a faulty unit or upgrading your system, this fan helps extend hardware lifespan and maintain optimal hashing performance.

Features:

Compatibility: Perfect fit for Antminer S21 Pro, S21+ & S21 XP series

Size: 140mm x 140mm x 38mm

Voltage & Connector: 12V with 4-pin square connector

Durable Build: Designed for continuous 24/7 operation

Easy Installation: Plug-and-play design

Ideal for home miners and industrial farms alike, this replacement fan is essential for sustaining optimal thermal management in your Bitmain Antminer setup.

Will not fit on Antminer S21, S19 and other older miners.

12Volt DC, 5 Amps, 7000 RPM, 15 inch long cable, 4 pin square connector

Martech and Nidec Brands

In stock in St Louis MO, ships within 24 hours of payment.

Shipping

Will usually ship from St, Loius, MO on same business day if paid before 11:00 AM CST (excludes weekends and holidays). Expected ship time may vary and is based on seller's order cut-off time.

International Shipping is available through the eBay Global Shipping Program, check out the 'Shipping and payments' tab above for more details.

Returns

Returns are subject to restocking fees of 15% of the purchase price and return shipping fees. For products that are eligible for return for replacement, the return shipping labels are free for returns for replacement of the same item within the applicable return policy period. Altair Technology LLC does NOT charge for restocking fees or return shipping labels for returns of defective products, or if you received the wrong product, the product did not match what was shown on the site, or if we made some other shipping error, provided the item is returned within its return policy period, and in accordance with the Return Policy.

About Us

Altair Technology owns and operates bitcoin mining facilities in St Charles, Missouri. We have deep expertise in both GPU and ASIC mining. We sell Bitmain, Whatsminer and other popular mining hardware and accessories. We are focused on serving the North American mining industry and aim to be a one-stop-shop for all popular mining hardware, parts and accessories. We hold our inventory in Missouri and our in-stock items typically reach US & Canadian customers in 2-3 business days. We also consult with mining farm operators and investors on design and maintenance of cryptocurrency mining farms.