Great experience Great experience, it was my first time purchasing from Viperatech. It was a new vendor to me, and I was slightly nervous. I ordered several KS0 units, they arrived earlier than expected and with zero issues or hassles! Highly recommended, they were also fast to respond via the online chat!

Ordered miner Ordered miner, told me its in stock and that they can send it as soon as they recieve the payment. They received it and 10 days later still did not sent the miner, say its a delay and offering refund. I need the miner and not a refund, if they were fair they should send a partial refund because of waiting that was not the deal.

Fast and reliable Purchase from Ecuador, the miner arrived on time and perfect condition. Recommended. __________________ Compra desde ecuador, el minero llegó a tiempo y en perfecto estado. Recomendado.

Nice site..but Unprofessional support. Hello ..I have been order an asic miner and the condition is perfect.. I was going to suggest to my 200K followers on twitter to buy from viperatech As one of the Arab influencers on cryptocurrency ..so ...I tried to make a deal with the site by conversation number to get more Asic’s ..the customer service agent was not respectful to me ..he told me bad word and he mock me .. and he block me on the WhatsApp … I have a screenshots to proof …I don’t know why big and trusted company like viperatech are hiring disrespectful agent ..so I need an apologise by the agent ..to this bad word to me ..thanks …

All Perfect , trusted Seller All went very smooth , trusted seller, follows you till the end. Looking foward to buy more Asic. Thx for everything