GuangDong Elect Tech Co, Ltd supplying a variety of Antminers and relevant antminer parts & Graphics Card. We supply brand new/USED Cryptocurrency Miners, Bitcoin ATM, GPU Mining Rigs and Graphic Cards at affordable prices. Wholesales Offers : Bitmain Antminer Z15 Pro (840kh/s) Sealed In Carton with Full Cables + WarrantyBitmain Antminer Z15 Pro is an ASIC miner designed for Equihash algorithm, specifically targeting ZEC (Zcash) and ZEN (Horizen). It delivers a maximum hashrate of 840kh/s while consuming 2780W of power, resulting in an energy efficiency of 3.31j/kSOL.Manufacturer BitmainModel Antminer Z15 ProAlso known as Zcash Miner Z15 Pro 840KSolSize 245 x 132 x 290mmWeight 5900gNoise level 75dBFan(s) 2Power 2780WInterface RJ45 Ethernet 10/100MTemperature 5 - 40 °CHumidity 10 - 90 %Instant Shipping : DHL,FEDEX,UPS,CHINA POST,RUSSIA POST Alipay, Trade Assurance Test Video/ SN CODE AvailableReceipt + Bitmain 1 Year WarrantyWAREHOUSE : Guangdong, ChinaFor order , Contact Fast ResponseViber Chat : +39 351 141 7833WhatsApp : +4915215994276Telegram : GuangdongasicCustomer's Satisfaction Guaranteed.