Bitmain Antminer Z15 420K
- Rated computing power : 420KSol/s
- Wall power consumption: 1510W
- Encryption Algorithm/Currency: Equihash/Zcash
- Energy efficiency ratio (25 ° C ambient temperature, J/Ksol) :3.60
- Bare machine dimensions (length*width*height), mm:133*245*290
- Bare weight: 9kg
Notes:
Notes:
1. If the case is deformed or the heatsink is detached, do not apply power and contact after-sales service for assistance.
2. It is recommended to use AntPool (www.antpool.com).
3. Do not use POE switches for ant mining rigs, as it can easily burn out the control board.
How to buy?
Please contact our customer service.
| Procurement Guide
1. Shipping, customs duties, and taxes (if any) are not included in the above retail price.
2. After an order is submitted, BITMAIN will not accept requests to cancel the order, refund a portion of the ordered amount, or change the ordered goods to different goods or different batches.
3. The images shown are for reference only; the final shipped version will prevail.
| Shipping Details
1. For orders that have been fully paid, Bitmain will arrange shipment on a first-come, first-served basis.
2. You will be responsible for any customs delays or returned goods caused by the lack of proper documentation. It is strongly recommended to familiarize yourself with local customs policies and prepare all customs documents in advance to avoid any customs delays or unexpected fees.
3. Click to download the certificate of conformity and find the customs clearance supplementary information for BITMAIN products.here
About Bitmain:
Since its establishment in 2013, Bitmain has become a leading global manufacturer of cryptocurrency mining machines through its ANTMINER brand, maintaining a long-term global market share and technological leadership, and serving customers in over 100 countries and regions. The company's R&D center is located in Singapore, and it has branches and subsidiaries in multiple countries and regions worldwide, including but not limited to Hong Kong, the United States, Malaysia, the UAE, Lithuania, and Paraguay.
| Warranty
1. A 365-day warranty is provided from the shipping date. During the warranty period, BITMAIN will cover the shipping costs for replacement parts.
2. The warranty applies only to the original purchaser who bought the machine directly from BITMAIN. Once the mining machine is resold, the warranty responsibility will be assumed by the reseller.
3. If the user does not use the product in accordance with the provided instructions, specifications, and conditions, or changes the device settings without the prior written consent of BITMAIN, BITMAIN shall not be liable for any damages caused thereby.
4. Click to view the complete list of terms and conditions applicable to all orders placed at https://shop.bitmain.com.here
Miners are customized investment products, which differ from ordinary electronic products. Once purchased, they are non-returnable and non-exchangeable. We kindly ask for your understanding!

Processing & Shipping Time
In-stock miners will ship within 3 business days. For bulk orders, please allow an additional 1-2 days via DHL Express, UPS, FedEx, or TNT.
Pre-order miner delivery times depend on the factory schedule. Estimated delivery dates are provided on the order page, but delays may occur due to production issues.
Shipments are processed on a first-paid, first-shipped basis. Once full payment is received, we aim to ship as quickly as possible. Payments via wire transfer (T/T) may take 3-7 business days to verify, while cryptocurrency payments typically take a few hours to 1 business day.
International shipping usually takes 5-8 business days, with remote locations potentially requiring 8-10 days.
*All sales are final and non-refundable. Please understand, this is an industry standard.

Payment Policies
All products listed on our website are priced in US Dollars.
We accept payments via bank wire transfer or online cryptocurrency payment (BTC, ETH, KAS, USDT, USDC).
If you prefer offline payment, you can contact our online customer service.
Important: All cryptocurrency payments received on the website are automatically converted to USDT. If a product is out of stock, we will contact you for a refund. The refund will be based on the USD price at the time of your original order.

Taxes & Custom Duties
We offer DDP (Delivery Duty Paid) shipping to some countries, including the United States, Canada, Dubai, and certain EU countries.
If you require DDP shipping, please contact our customer service. For countries without DDP shipping or for standard shipping, we can help reduce taxes by providing a lower invoice value.
Customs duties are not included in the total price. You will need to pay them once the goods arrive in your country. Simply contact your local logistics company to settle the fees. If needed, we can provide a commercial invoice with a declared value of your choice.
Please notify us immediately if customs requests documents, as improper filing may lead to higher fees or delays. We can provide the necessary documentation.

Warranty & Buyer Protection
For new, factory-sealed miners, the warranty is typically 12 months or 6 months, depending on the factory's policy, starting from the production date.
The company is not responsible for issues resulting from failure to follow the provided instructions, specifications, or alterations to the product.
For used mining machines, there is no warranty or after-sales service; however, before shipment, we will provide mining machine testing videos to ensure you understand its performance. Once you confirm acceptance, we will proceed with full communication and arrange shipment.
Transportation and any other costs related to product returns are the responsibility of the purchaser.
The repair period will depend on the nature of the issue.

Customer FAQs
How long does it take to mine a Bitcoin?
The mining machine is calculated based on its daily output revenue, the time required to recover the investment cost of the mining machine, and the return rate, which is more valuable. There are many factors to consider when mining a coin, and it cannot be simply stated in one sentence!
Can I pick up the machine myself?
Yes, we offer self-pickup options. We have warehouses in Hong Kong, and the United States, so you can choose the nearest location based on your needs. Alternatively, we can also ship the machine to your forwarder's address.
Are miners purchased through you new?
Yes, we only sell brand new, factory-sealed miners. Apexto Team purchases equipment directly from the factory, ensuring all products are new and unused.
Typically, miners are shipped directly from the warehouse without opening the packaging. We only open the packaging for testing if requested by the customer before shipment.
Is there a minimum order quantity for miners?
No, there is no minimum order quantity. We cater to miners of all scales and understand that many investors prefer to start small before committing to larger investments.
Can l visit your warehouse in person before placing an order?
Yes, we welcome customers from all over the world to visit our warehouse. If it's not convenient for you, we can arrange an online video meeting or video call.
