Antminer S21 is an innovative Bitcoin mining device developed by Bitmain. The Antminer S21 has a computing power of up to 200TH/s and a power consumption of only 3500W. Bitmain has launched the S21 series using advanced 5nm chips, which is similar to the previous S19 model. Compared with other machines, the efficiency can be increased by up to 40%. There is no doubt that the Antminer S21 will start a new round of Bitcoin mining arms race.

Notice:

(1-1) Caution: Wrong input voltage may probably cause miner damaged

(1-2) Max condition: temperature 40°C, altitude 0m

(1-3) Two AC input wires, 10A per wire

(2-1) When the miner is used at an altitude from 900m to 2000m, the highest operating temperature decreases by 1℃ for every increase of 300m

Purchasing Guidelines

1. The shipping costs, customs charges, and taxes(if any) are not included in the retail price shown above.

2. After an order has been submitted, a request to cancel the order, refund any part of the ordered amount or change the ordered item(s) to different item(s) or different batch(es) will not be entertained by BITMAIN.

3. The pictures shown are for reference only; the final shipment version shall prevail.

Warranty

1. A 365-day warranty is provided starting from the shipping date. BITMAIN will cover shipping costs when shipping a replacement unit within the warranty period.

2. The warranty only applies to the original purchaser who purchased the machine directly from us. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.

3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit without our prior consent, we will not be liable for any damage arising therefrom.