Buy Bitmain Antminer S21 Hyd 335Th Bitcoin Miner

Warranty & Support

A six-month warranty commences from the date of shipping.
Our products undergo rigorous quality inspections and are meticulously packed before dispatch.
During the warranty period, we offer complimentary repair/replacement services.
Post the warranty period, repair/replacement costs will be applicable.
Our after-sale support includes 24/7 technical assistance throughout the entire lifespan of the miner.

Shipping & Returns

All orders are dispatched within 24 hours from our warehouse following payment confirmation. For bulk orders, shipment may take 1-2 days post payment confirmation.

Worldwide Delivery:
International delivery typically ranges from 4 to 15 business days, contingent upon the shipping address.
– Free DDP Shipping: Estimated delivery time of 7-15 days.
– Express DDP Shipping: Estimated delivery time of 2-4 days.

Package Inclusions:
– The hardware itself.
– Power supply.
– All cables and connectors.
– Guidebook (detailed instructions).
– Additional Empire Miners gift.

Tracking Information:
– Tracking numbers are issued within 24 hours of payment confirmation.
– All updates are communicated to your provided email address.

Order Shipment:
– Upon completing the order and settling the invoice, items are shipped within the next 24 hours.

Return & Refund:
– Empire Miners offers a 30-day money-back guarantee as buyer protection, facilitating free returns or refunds in the event of any issues with the order.

Payment Methods

We proudly accept cryptocurrency payments through reputable merchants, ensuring a secure transaction experience. Our product prices are displayed in US dollars, with seamless conversion to the selected cryptocurrency at checkout, providing customers with transparency and convenience.

Cryptocurrency offers unparalleled advantages as a payment method:
– Efficiency: Cryptocurrency transactions are swift and efficient, eliminating the delays associated with traditional payment methods.
– Global Accessibility: Cryptocurrencies transcend geographical boundaries, allowing customers to make secure payments from anywhere in the world.
– Enhanced Privacy: With a focus on user confidentiality, cryptocurrency transactions require minimal personal information, ensuring a heightened level of privacy for our valued customers.

Taxes & Customs

We are pleased to provide DDP (Delivered Duty Paid) shipping, ensuring that our customers are exempt from any custom taxes, offering a seamless and cost-effective international shipping experience.
With a 100% delivery rate, we guarantee successful delivery even in countries where cryptocurrency mining is restricted, and our dedicated customer support ensures efficient customs clearance.
Rest assured, our meticulously packaged parcels, inclusive of an authorization of use, navigate customs smoothly, mitigating any potential delays.
Your satisfaction and hassle-free experience are our top priorities.