Can overclock to 57k, Free Shipping Antminer Z9 40.8 kSol/s Equihash Miner

Leadtime:
Insotck: after we received the money, in about 3 days, we will ship the items to buyers by dhl/ups/fedex.
Preorder:after we received the miners from factory, we will ship the miners to buyer
by dhl/ups/fedex.
Express will cost about 3-5 days for buyer to receive the miners.
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Miners are customized products according to customer's requirements, and therefore investments need to be cautious. Product’s after-sale service is as follows. once the purchase is completed, it means the recognition of the policies.
1. No refund and return after the payment.
2. A 180 dayswarranty for miners by whatsminer. We only warranty the items are orginal. If the product has issue, please contact whatsminer.
3. Affected by the modes of payment/ USD exchange rate, the price of the product may be adjusted at any time, please contact customer service before buying.
4, If not paid the money, the price will change at any time!
5, Dontbargaining about the price, we have no time to waste!
6, Price include preorder price and instock price.
7, Buyers should deal with customs clearance!(Exclude Russian. All Russian clients are free tax, Russian orders will ship from special lines such as CDEK and so on, we will deal with the customs clearance for you to avoid custom problem. The ship time to Russia will need about 3-4 weeks, please wait patiently. It support tracker number and door to door!)
The following conditions will make the warranty invalid,whatsminerwill not accept warranty:
1. Disassembled machine, unauthorized changes, or replacement of components.
2. Damage caused by lightning strike, voltage surge, faulty power supply, etc.
3. Burnt circuit boards or chips.
4. Damage by water, damp or corrosion.
Price list below, please contact us before buying.