Available to order from supplier stock. This miner ships from Hong Kong to South African delivery addresses. Allow 1–2 business days processing after verified payment plus 5–8 business days for delivery (6–10 business days total). Prices include VAT and import duties. Check the description for condition, warranty and power/cooling requirements. Contact dave@dcmining.co.za before ordering if included accessories or requirements are unclear.
MINER RETURNS AND WARRANTY Notify us within 7 calendar days after delivery for a change-of-mind return. Return the miner by arrangement to Dawin, 63 Wilson Street, Fairlands, Johannesburg, Gauteng, 2170, South Africa. You pay lawful direct domestic return freight; no overseas return is required for change of mind. Conditions and statutory exceptions are in our Refund and Return Policy.
No additional voluntary Dawin commercial miner warranty is included. Your order is covered by the terms agreed when you bought it. Your statutory rights still apply. Manufacturer coverage is offer-specific. Your statutory rights under South African law, including the Consumer Protection Act where applicable, remain unaffected. Contact Dawin before returning faulty or defective goods. Dawin bears return costs where required by law. Do not send a miner overseas without prior written arrangements. See our Miner Warranty and Repair Information.
Description
Product condition and availability
This air-cooled SHA-256 miner is offered under the supplier designation BITMAIN Antminer S21++ 216 TH/s for compatible Bitcoin mining pools. It is imported to order from Hong Kong. Available to order from supplier stock. Contact Dawin to confirm the allocated unit’s model and condition before purchase.
Technical specifications
Supplier-listed hashrate: 216 TH/s. Algorithm: SHA-256. Cooling: air. Network: Ethernet. Published references for this supplier designation differ on wall power and efficiency (3,456–3,564 W and 16–16.5 J/TH). Confirm the allocated unit’s electrical ratings from its nameplate before installation.
Mining results and installation
Use a compatible mining pool, a dry, ventilated location and a suitable protected electrical circuit. Confirm power, connector, airflow, noise and heat requirements for the allocated unit. Use a qualified installer where needed. Mining results vary with network difficulty, coin prices, electricity costs, fees and uptime.
Package contents and required equipment
One supplier-described BITMAIN Antminer S21++ 216 TH/s miner with power supply. Power cables are sold separately. Choose cables and electrical equipment matched to the allocated unit and installation.
Dispatch, delivery and price
Allow 1–2 business days for processing after verified payment, plus 5–8 business days for shipping from Hong Kong to South African addresses. The displayed price includes VAT and import duties. See the Shipping Policy for delivery charges.
Manufacturer warranty and Dawin support
Manufacturer and supplier warranty coverage for the allocated unit remains unverified. Dawin offers no additional voluntary commercial miner warranty. Contact Dawin for support and confirmation of any coverage, claim procedure and freight arrangements before purchase. Previously agreed terms still apply.
Statutory rights and returns
Applicable South African statutory rights apply. Contact Dawin for faulty-goods claims and return arrangements. Dawin covers return costs where required by law. For change-of-mind returns, notify Dawin within seven calendar days of delivery and consult the Refund and Return Policy for conditions and lawful return costs.